An energy harvesting device includes: a first nanoporous electrode and a second nanoporous electrode, each of which is configured to which store electrical charge; a first current collector connected to the first nanoporous electrode and a second current collector connected to the second nanoporous electrode; and an enclosure that contains the first and second nanoporous electrodes and the first and second current collectors and transfers a force applied from the outside to the first nanoporous electrode and the second nanoporous electrode, wherein at least one of the first nanoporous electrode and the second nanoporous electrode comprises an ion conductive polymer.

An elastic wave device including a substrate, an interdigital transducer (IDT) electrode provided on an upper surface of the substrate, a first wiring electrode provided on the upper surface of the substrate and connected to the IDT electrode, a dielectric film that does not cover a first region of the first wiring electrode but covers a second region of the first wiring electrode above the substrate, the first wiring electrode including a cutout in the second region, and a second wiring electrode that covers an upper surface of the first wiring electrode in the first region and an upper surface of the dielectric film in the second region above the substrate.

An acoustic resonator structure comprises: a substrate having a cavity, which has a plurality of sides; a first electrode disposed over the cavity; a piezoelectric layer disposed over a portion of the first electrode and extending over at least one of the sides; and a second electrode disposed over the piezoelectric layer, an overlap of the first electrode, the piezoelectric layer and the second electrode forming an active area of the FBAR. The active area of the FBAR is completely suspended over the cavity.

In a method of manufacturing a piezoelectric device in which a piezoelectric thin film on which functional conductors are formed is fixed to a support substrate by a fixing layer, an alignment mark is formed on one main surface of a light-transmitting piezoelectric substrate. A sacrificial layer is formed on a main surface of the piezoelectric substrate with reference to the alignment mark and the fixing layer is formed so as to cover the sacrificial layer and is bonded to the support substrate. The piezoelectric thin film is formed by being separated from the piezoelectric substrate and the functional conductors are formed on the surface of the piezoelectric thin film with reference to the alignment mark. The piezoelectric device is able to be manufactured while positions of formation regions of conductors are adjusted efficiently.

Provided is a garment generating electricity which transforms kinematic energy generated when a user wearing the garment walks and/or swings arms past torso to an electric energy, and has a simple structure and is produced at low cost, and realizes excellent electricity generation efficiency. A garment generating electricity from ambulation or aim swinging past torso or both includes a magnet member arranged on a first part of a garment to generate magnetic field, a coil member provided on a second part of the garment which reciprocally moves with the first part of the garment while walking or swinging aims past torso, the coil member generating electricity from the magnetic field of the magnet member, and a storage battery charged with the electricity generated by the coil member.

A motorization apparatus for a motorized wheel comprises an axle secured to a frame of a vehicle. A rotor unit has poles of magnet material. A stator unit having slots and teeth secured to the axle is inward of said rotor to define a clearance gap therewith such that the rotor unit is rotatable about the stator core. An arrangement of coils is wound around the teeth of the stator unit, the coils adapted to be powered to induce a rotation of the rotor unit relative to the stator unit. A structure comprises hub portions rotatably mounted to the axle, the structure having lateral walls defining an inner volume for the rotor unit and the stator unit, the structure supporting the rotor unit. The structure comprises attachment members connected to spokes of the motorized wheel, located radially inward of the clearance gap between the rotor unit and the stator unit.

[Object] To provide an electrostatic device capable of improving device characteristics. [Solving Means] An electrostatic device according to an embodiment of the present technology includes an electrically conductive base material, a first conductor layer, a second conductor layer, and a bonding layer. The first conductor layer includes a first electrode portion and a first base portion and is connected to a signal line. The first base portion supports the first electrode portion and is disposed on the base material. The second conductor layer includes a second electrode portion and a second base portion and is connected to a reference potential. The second electrode portion is opposed to the first electrode portion in a first axis direction and configured to be movable relative to the first electrode portion in the first axis direction. The second base portion supports the second electrode portion and is disposed on the base material. The bonding layer is disposed between the base material and the first and second base portions and includes a plurality of first bonding portions that partially support at least the first base portion.

A ceramic electronic component includes a laminated body including ceramic layers and conductor layers stacked alternately; and first and second external electrodes provided on portions of the laminated body. Each of the first and second external electrodes includes a sintered metal layer provided on the laminated body, a conductive resin layer covering the sintered metal layer, and a plated layer covering the conductive resin layer. The maximum length of the sintered metal layer provided on the second principal surface is shorter than the maximum length of the sintered metal layer provided on each of the first and second side surfaces.

A ceramic electronic component includes a laminated body including ceramic layers and conductor layers stacked alternately; and first and second external electrodes provided on portions of the laminated body. Each of the first and second external electrodes includes a sintered metal layer provided on the laminated body, a conductive resin layer covering the sintered metal layer, and a plated layer covering the conductive resin layer. The maximum length of the sintered metal layer provided on the second principal surface is shorter than the maximum length of the sintered metal layer provided on each of the first and second side surfaces.

A system and method provides a piezoelectric stack arrangement for reduced driving voltage while maintaining a driving level for active piezoelectric materials. A stack arrangement of d36 shear mode single crystals of both air X-cut and Y-cut ±1:45° (±20°) arrangement are bonded with discrete conductive pillars to form a shear crystal stack. The bonding area between the neighboring crystal parts is minimized. The bonding pillars are positioned at less than a total surface are of the single crystal forming the stack. The stack fabrication is facilitated with a precision assembly system, where crystal parts are placed to desired locations on an assembly fixture for alignment following the preset operation steps. With the reduced clamping effect from bonding due to lower surface coverage of the discrete conductive pillars, such a piezoelectric d36 shear crystal stack exhibits a reduced driving voltage while maintaining a driving level and substantial and surprisingly improved performance.

The present invention relates to a zinc oxide-based piezoelectric device, utilisable both as a sensor and as an actuator. More in particular, the present invention relates to a piezoelectric device (1, 101) comprising at least two carbon fibre crossed yarns (2a, 2b; 102a, 102b), at the intersection of which a zinc oxide layer (3, 103) in nanorod form is arranged, wherein an end (4a, 4b) of each of said yarns (2a, 2b; 102a, 102b) is connected to an operative unit (5).

A displacement sensor having a rectangular shaped elastic member. A piezoelectric element is attached to a first main face of the elastic member. The piezoelectric element has a rectangular-shaped piezoelectric sheet and electrodes on both main faces of the piezoelectric sheet. The piezoelectric sheet is made of poly-L-lactic acid and is at least uniaxially-stretched. The piezoelectric element is attached so that the uniaxial-stretching direction of the piezoelectric sheet is 45° relative to a long-side direction of the elastic member. When the elastic member is bent along the long-side direction, the piezoelectric sheet is stretched along the long-side direction, and the piezoelectric element generates voltage of predetermined level.

A MEMS piezoelectric device includes a monolithic semiconductor body having first and second main surfaces extending parallel to a horizontal plane formed by first and second horizontal axes. A housing cavity is arranged within the monolithic semiconductor body. A membrane is suspended above the housing cavity at the first main surface. A piezoelectric material layer is arranged above a first surface of the membrane with a proof mass coupled to a second surface, opposite to the first surface, along the vertical axis. An electrode arrangement is provided in contact with the piezoelectric material layer. The proof mass causes deformation of the piezoelectric material layer in response to environmental mechanical vibrations. The proof mass is coupled to the membrane by a connection element arranged, in a central position, between the membrane and the proof mass in the direction of the vertical axis.

An electric motor assembly includes an axle having a first end and a second end. A plurality of rotor stages is attached to the axle. The rotor stages each include a set of rotor magnets. Each set has a greater potential magnetic field as the sets are located further from the first end. A plurality of stators is positioned around the rotor stages so that each of the rotor stages is adjacent to and covered by one of the stators to define a plurality of mated pairs. The stators each include a plurality of stator magnets. A stator control, for controlling individual ones of the pairs, is electrically coupled to each of the stators and magnetizes the stator magnets in a controlled fashion with respect to the rotor magnets to urge the rotor magnets in a same direction and rotate the axle.

The present invention ensures reliability while reducing the size of an axial air gap rotating electric machine. An axial air gap rotating electric machine has: a stator comprising a plurality of core members arranged in a ring shape, said core members each having an iron core, a coil wound in an iron core outer periphery direction, and a bobbin disposed between the iron core and the coil; and a rotor plane-facing an end surface of the iron core via an air gap in a rotating shaft radial direction. The bobbin has: a tubular portion facing the outer peripheral side surface of the iron core and shorter than the length of the iron core; flange portions extending in the vicinity of both ends of the tubular portion from the outer periphery of the tubular portion toward the vertical direction outside by a predetermined length; and a projection portion being on the outside surface of at least one of the flange portions and near the inner edge of the tubular portion, having an inner peripheral surface facing the end outer peripheral side surface of the inserted iron core, and further projecting in an extending direction of the tubular portion.

An electric machine comprising a first carrier having an array of electromagnetic elements and a second carrier having electromagnetic elements defining magnetic poles, the second carrier being arranged to move relative to the first carrier. An airgap is provided between the first carrier and the second carrier. The electromagnetic elements of the first carrier include posts, with slots between the posts, one or more electric conductors in each slot, the posts of the first carrier having a post height in mm. The first carrier and the second carrier together define a size of the electric machine. The magnetic poles having a pole pitch in mm. The size of the motor, pole pitch and post height are selected to fall within a region in a space defined by size, pole pitch and post height that provides a benefit in terms of force or torque per weight per excitation level.

An electric machine of a motor vehicle, in particular of an adjustment drive or of a radiator fan, has a rotor which is mounted so as to be rotatable about a machine axis. The rotor has a number of permanent magnets which are arranged in the radial direction. Each permanent magnet has one side with a strong magnetic flux and one side with a weak magnetic flux in the tangential direction. When the permanent magnets are adjacent in the tangential direction, different sides are directed towards one another.

Raw material magnet is milled to magnet powder, and the magnet powder thus milled is mixed with a binder to form a compound 12. Then, the compound 12 thus formed is molded to a green sheet 14 having a sheet shape. Thereafter, a magnetic field orientation is carried out by applying a magnetic field to the green sheet 14 thus molded, and then, the green sheet 14 having been subjected to the magnetic field orientation is shaped to a product shape by deforming thereof. Thereafter, the permanent magnet 1 is produced by sintering thereof. The permanent magnet 1 has a ring shape, and is constituted such that an axis of easy magnetization may be orientated at a slant so as to converge in a direction along a converging axis P which is set to a radius direction as well as to a center direction of the ring shape.

An electric motor includes a stator operable to produce a magnetic field and defining an opening, and a rotor at least partially disposed within the opening. The rotor includes a shaft extending along a rotational axis, a first rotor magnetic core portion including a plurality of laminations stacked contiguously on the shaft, and a second rotor magnetic core portion coupled to the plurality of laminations. The first rotor magnetic core portion and the second rotor magnetic core portion cooperate to define the rotor magnetic core. A plurality of windings is coupled to the rotor magnetic core and an air flow path is formed as part of the second rotor magnetic core portion. The air flow path includes an axial portion that passes through the shaft axially along the rotational axis and a radial portion that extends radially outward through the second rotor magnetic core portion.

A vibration motor includes a base portion arranged to extend perpendicularly to a central axis extending in a vertical direction; a shaft having a lower end fixed to the base portion, and arranged to project upward along the central axis; a circuit board; a coil portion; a bearing portion; a rotor holder; a magnet portion; an eccentric weight; a cover portion; and a motor electrode portion electrically connected to the circuit board, and arranged to project downward below a lower surface of the base portion. The entire base portion and the entire circuit board are arranged inside of an outer circumferential edge of a lower end of the cover portion.

A motor drive device is fixed to a wall part of a housing and comprises a duct having an inflow port and an outflow port of air. A main body part of the duct functions as a heat-sink unit which releases heat into the duct. The duct is arranged inside the housing. The inflow port and the outflow port are formed so that outside air can flow through openings formed in the wall part.

The invention provides a rotating electrical machine system in which an air volume of a refrigerant is increased near the center of a rotating electrical machine in the axial direction is improved. The rotating electrical machine includes a rotor and a stator, in which the stator core, laminated electromagnetic steel sheets formed by laminating a plurality of electromagnetic steel sheets in the axial direction are divided into a plurality of sets of packet cores, and between one of the packet cores of the plurality of sets and another packet core adjacent to it, there is formed a duct providing a flow channel of the stator, and in a duct situated at the center side from both ends in the axial direction among the duct, there is a portion of two packet cores facing each other across the duct, a diameter direction length of the two packet cores becoming long.

An integrated actuator drive unit (ADU) assembly for an electric motor actuator is disclosed. The integrated ADU assembly may comprise at least one of an integrally formed ring gear, an integrally formed thrust bearing and integrally formed load cell. The integrated ADU assembly may comprise a portion of an electromechanical actuator. The electromechanical actuator may be utilized for aircraft braking systems.

The invention relates to an electric machine (10) with commutating brushes (12) and an electric interference-suppression component (14). The brushes (12) are arranged in an annular brush support (18), and the brush support (18) sits on an axial end (22) of a housing part (24) of the electric machine (10), which is preferably a pole housing (240). The interference-suppression component (14) is arranged radially outside of the housing (24), and the brush support (18) has a protrusion (30) which extends in the radial direction (2). The protrusion (30) extends radially towards the outside so as to extend outside of the housing (24), the interference-suppression component (14) being arranged on the protrusion (30).

A single phase permanent magnet motor includes a stator and a rotor. The stator includes a stator core with windings. The stator core includes a yoke and claw-poles. Each claw-pole forms an arc pole face which is an involute curved face. All arc pole faces cooperatively define a space for receiving the rotor. A gradually changing uneven air gap is defined between the arc pole faces and the rotor. When the motor powers off and stops, the pole axis of the rotor is offset from the central axis of the claw-poles by a certain angle to avoid the rotor to stop at a dead point position, thus facilitating next startup of the motor.

Methods and systems for using the Earth's magnetic field to power a machine having a motor, the system including a computer, a plurality of wires, a plurality of energy storing devices, all in controlled electrical communication with each other, wherein the plurality of wires can collect electrical energy from the Earth's magnetic field while the machine is put in motion by a power source powering the motor, wherein the collected electrical energy is stored in the plurality of energy storing devices or used to power the motor.

The present invention relates to a triboelectric energy harvesting device and a method for manufacturing the same. The triboelectric energy harvesting device according to an embodiment of the present invention includes a first frictional layer provided with a first surface having first electron affinity, and a second frictional layer facing the first surface and having second electron affinity, wherein at least one of the first and second frictional layers is formed of an elastic material and is provided in an elastic structure.

A triboelectric generator includes a first contact charging member and a second contact charging member. The first contact charging member includes a first contact layer and a conductive electrode layer. The first contact layer includes a material that has a triboelectric series rating indicating a propensity to gain electrons due to a contacting event. The conductive electrode layer is disposed along the back side of the contact layer. The second contact charging member is spaced apart from and disposed oppositely from the first contact charging member. It includes an electrically conductive material layer that has a triboelectric series rating indicating a propensity to lose electrons when contacted by the first contact layer during the contacting event. The electrically conductive material acts as an electrode. A mechanism maintains a space between the first contact charging member and the second contact charging member except when a force is applied thereto.

A power conversion device has a buckled wave disk that has an axis and is radially compressed between a hub and a wave ring. The buckled wave disk is buckled in the radial direction to form circumferential waves which are displaced in the axial direction and extending around the buckled wave disk with lines formed of inflection points of the circumferential waves extending between the hub and wave ring. The wave ring is outwardly radially displaced at nodes corresponding to lines formed of inflection points of the circumferential waves. A wave propagation actuator cooperates with the buckled wave disk for driving a wave and the lines formed of inflection points of the circumferential waves around the buckled wave disk. An outer ring surrounds the wave ring, the outer ring being driven by or driving the wave ring at the nodes. A method of making a wave disk is provided.

A monolithic integration of phase change material (PCM) switches with a MEMS resonator is provided to implement switching and reconfiguration functionalities. MEMS resonator includes a piezoelectric material to control terminal connections to the electrodes. The PCM is operable between an ON state and an OFF state by application of heat, which causes the phase change material to change from an amorphous state to a crystalline state or from a crystalline state to an amorphous state, the amorphous state and the crystalline state each associated with one of the ON state and the OFF state. A method of fabricating the MEMS resonator with phase change material is provided. A reconfigurable filter system using the MEMS resonators is also provided.

A piezoelectric vibrating piece includes a vibrating piece body including a vibrator and at least one pair of excitation electrodes formed on a front surface and a back surface of the vibrator. The vibrating piece body is a twice rotated quartz-crystal vibrating piece. The pair of excitation electrodes are arranged in a Z'″-axis direction determined by an X'″-axis and obliquely disposed with respect to the Y″-axis direction. The X'″-axis is rotated by 260° to 300° counterclockwise about a Y″-axis using a +X″-axis direction as a reference. The pair of excitation electrodes are formed to have respective semicircle shapes including straight line portions extending in the X'″-axis direction and to be disposed in a state where the straight line portions overlapping with one another. The straight line portion of the excitation electrode includes an inclined portion that gradually decreases in thickness toward an end portion of the excitation electrode.

An AT-cut crystal element includes a crystal element having two side surfaces (namely, a Z'-surface) intersecting with a Z-axis of a crystallographic axis thereof. At least one of the two side surfaces is constituted of three of first to third surfaces. The first to the third surfaces meeting following conditions: the first to the third surfaces intersect with one another in this order and formed by rotating a principal surface of the crystal element by predetermined angles; and expressing the angle of the first surface as θ1, a length of the first surface as D, a thickness of a part of the crystal element having the principal surface as t, and M=D/t, and a conversion percentage as fn (M, (θ1)), the θ1 and the M are set such that the conversion percentage fn (M, (θ1)) becomes a predetermined value Th or less.

In an elastic wave device, a piezoelectric substrate is stacked on a support substrate and an IDT electrode is provided on the piezoelectric substrate. Wiring line portions are provided on the piezoelectric substrate. A first hollow portion is provided in the support substrate at least below at least one of the wiring line portions and or below a region between the wiring line portions.

An athletic jersey has at least three selectable exterior appearances. In one example, the athletic jersey is sleeveless and formed of at least three panels having substantially the same shape and size that are fastened together at edges. The athletic jersey can be turned inside-out in several different ways to select between three or more different exterior appearances.

A pair of notches or slits in a collar can prevent the formation of bulky crests or wrinkling when the collar is arranged in an outer open ‘continental style’ under a jacket, however there is also a propensity for such a collar to curl up at the notches. The invention herein discloses the use of a fastening means to prevent the slit borders, forming the edge surfaces of each back section of the collar, from curling up from the shirt surface. The fastener means are located on each side of the collar, such that one member is located on the inner surface of the back collar where the outside edge meets the base of the slit edge and the other member is located on the outer surface of the collar band.

There is included a hooking cord 52 disposed on the back side of said finger insertion parts and held in and over at least three finger insertion parts 40C, 40D and 40E corresponding to a middle finger, a third finger and a little finger among the five finger insertion parts 40A through 40E of the glove body 10B so as to adjust a distance between the adjacent finger insertion parts whereby the three finger insertion parts can be pulled simultaneously by hooking the hooking cord 52 with a little finger of a hand not wearing the glove and grasping the finger insertion parts 40A and 40B corresponding the thumb and the first finger with a thumb and a first finger of the hand not wearing the glove 10.

A multi-layered garment may comprise components that are affixed using integrated belt loops. In particular, shorts belt loops of a shorts component may pass through an opening created when single-layer skirt belt loops of a skirt component are oriented outwards. Both the skirt belt loops and the shorts belt loops may be fully functional and aesthetically pleasing belt loops. Additionally, the shorts belt loops may be combined with the skirt belt loops to form integrated belt loops, thereby allowing a belt to pass beneath both sets of belt loops simultaneously to affix the shorts component to the skirt component.

An embodiment of a leg protector of the present disclosure includes an upper thigh pad that is structurally attached to an upper bracing shell including lateral and medial uprights. The upper shell and thigh pad can be held to the player via a strap and/or garment. The uprights extend to uni- or polycentric hinges arranged on, and in one embodiment biased against, either side of the player's knee. A connecting member extends in a frontward direction from each hinge and attaches to a patella pad held in place over the player's knee. The patella pad may additionally be connected to the thigh pad via one or more connecting strip. Each hinge is also connected to a lower bracing shell, which includes lateral and medial uprights that extend down and around the player's lower leg, anteriorly or posteriorly. The lower shell can also be fitted via a strap or garment.

Cycling shorts for protecting a rider from harmful effects occasioned by the design of the substantially unpadded seat of a racing-type cycle. Fabric shorts of conventional or elongated design include a interior protective pad. The pad includes adjoined seat and crotch sections and is symmetrical with respect to an axis of symmetry. It includes an interior chamber for receiving pressurized air. A pump for delivering selectively pressurized air communicates with the interior chamber by means of a conduit. The chamber includes internally honeycombed sections for minimizing air flow so that the cushioning effect of the pad is preserved despite the force exerted by the weight of a wearer on the hard and relatively-inflexible seat.

A device for enhancing support of eyeglasses on the head of a person. The device is in the form of an independent support member or an adjustable strap having a support member to enhance support of eyeglasses. The strap may include a cushion to provide comfort. The support member includes a hook for supporting the eyeglasses. The device is useful for supporting eyeglasses from the bridge of the nose of a person who has undergone rhinoplasty surgery or for supporting heavy equipment associated with eyeglasses used for surgical applications. The independent support member is easily attached to a head-engaging device and eyeglasses to enhance support of the eyeglasses.

According to the various features characteristics and embodiments of the present invention which will become apparent as the description thereof proceeds, the present invention provides partially fingered gloves intended to increase the overall performance in sports activities including but limited to football and golf. Primarily because of its unique finger configurations, and/or grip enhancers, and/or hand protective properties, the present invention makes a glove more operable in various sports activities.

An impact sensing device including a plurality of accelerometers orthogonally oriented with respect to each other and attachable at a body location, each capable of producing a signal indicative of an impact. An integrated circuit is configured to determine the magnitude and direction of the impact based on the signals and operative to activate an indicator when the magnitude exceeds a selected threshold based on the direction of the impact. A head injury coefficient is determined based on the magnitude and a duration of the impact, and the threshold level of acceleration is expressed in terms of a head injury coefficient value. The head injury coefficient value is determined by empirically correlating a head injury coefficient measured at the body location and a head injury coefficient measured at the center of mass of a human head resulting from an impact.

A facemask for a helmet. The helmet includes a forehead area and two side areas. The facemask comprises a plurality of intersecting, integral metal supports forming a face protection area. The face protection area includes a top section, two side attachment sections and a front section. The top section can be shaped to conform to and attached to the forehead area of the helmet while each side attachment section can be shaped and formed to attach to one of the side areas of the helmet. Further, the front section can extend from the top section and each attachment section.

The invention provides sleeves for wearing with sleeveless shirts and tops.

The present disclosure refers to an elasticized structure and a method for making such an elasticized structure. The elasticized structure, includes a first piece and at least one second piece. The first piece is superimposed and fixed onto the second piece in at least a first fixing zone and at least a second fixing zone. The second piece is at least partially made of an elastic material and has an internal zone comprised between the first fixing zone and the second fixing zone. The elasticized structure is able to assume a tensioned position and a rest position. In the rest position, the first piece has a hump comprised between the first fixing zone and the second fixing zone and flat parts alongside said first fixing zone and said second fixing zone, respectively.

An article of apparel may include a base layer and a cover layer. The cover layer may be stitchlessly-secured to an exterior surface of the base layer and positioned to extend along a side area and from a pelvic region to a leg region of the base layer. A width of the cover layer may be greater in the pelvic region than the first leg region. In some configurations, a frictional resistance of the exterior surface of the base layer may be greater than a frictional resistance of a surface of the cover layer.

A personal protection device for protecting a user is described. The personal protection device can have an inflatable member having an internal chamber that can be inflated or deflated according to predetermined conditions.

An article of manufacture for stretchable night visibility bands for people and animals with a inner band consisting of a primarily stretchable material, an outer band consisting of a night visibility material, a way to attach the inner band to the outer band, a means to interchange said inner bands and said outer bands and a way to close the inner band around an object. A preferred embodiment includes further an outer band made of a night visibility material fabricated of least one of the following: a reflective, a florescent or a glow in the dark material and backed with a material such as VELCRO that attaches to the inner band, A preferred embodiment includes the element of inner band consisting of a stretchable material with a looped surface such as Velstretch™.

In this invention, a visor is configured to be inserted into a slit of a movable plate. One of an engaging projecting portion and an engaging concave portion is provided on the visor, and the other is provided on the movable plate. When the visor pivots in a first direction about the engaging projecting portion, a concave corner portion of the visor comes into contact with a first position regulating portion of the movable plate, thereby impeding the pivotal movement of the visor. When the visor pivots in a second direction, the outer wall surface of the visor comes into contact with wall portions of the movable plate, thereby impeding the pivotal movement of the visor.

An inflatable bonnet cap system for wrapping around a user's hair featuring an inflatable headpiece with a series of inflatable horizontal and vertical tubes, each horizontal tube has connectors and a valve for inflation, and a spring ring having a spring ring tube constructed with accordion-style seams, the spring ring tube has connectors with valves for inflation. An insert edge is on the bottom edge of the bottommost horizontal tube, and a wedge is disposed on the top surface of the spring ring tube. The insert edge can be accepted into the wedge of the spring ring tube. The system of is inflatable and retractable.