A washing machine and a control method thereof to achieve washing performance using bubbles without damage to fiber structures of functional clothes. When a washing course of functional clothes is selected, a motor is frequently rotated at a period of a predetermined time or less, causing the clothes to uniformly adsorb the water. Thereafter, bubbles are generated and applied to the clothes. A drive operation rate of the motor is raised stepwise to wash the clothes to which the bubbles have been applied, so as to effectively remove sweat, contaminants, or the like contained in the clothes.

Provided is a method for washing laundry in a washing machine, wherein the washing machine includes a tub and a drum disposed inside the tub, the method comprising: supplying wash water into the tub; rotating the drum such that the laundry is attached the drum and spraying the wash water changed to whirling water into the drum; and draining the wash water from the tub.

Disclosed is a drum type washing machine having a touch up function and a method for touching up thereof. The drum type washing machine having the touch up function is provided with a touch up button for removing wrinkles on laundry left in the drum type washing machine and a method for touching up. Accordingly, it is not required for a user to additionally execute rinsing and dehydrating processes, or ironing so as to remove wrinkles on the laundry, thus it is convenient. And, since it is not required to additionally execute the rinsing and dehydrating processes, it is capable of preventing unwanted consumption of water and electricity.

A photoresist composition includes a binder resin combined with a black dye, a monomer, a photo-polymerization initiator and a remainder of a solvent.

As associative thickener obtainable by free radical polymerization, the preparation thereof and the use thereof in paper coating slips are described. The associative thickener is formed from (a) acid monomers selected from ethylenically unsaturated C3- to C8-carboxylic acids, (b) associative monomers of the general formula H2C═CR1—COO-(EO)n—(PO)m—R2, in which R1 is hydrogen or methyl, n is a number of at least two, m is a number from zero to 50, EO is an ethylene oxide group, PO is a propylene oxide group and R2 is a C8-C30-alkyl group or a C8-C30-alkaryl group, and (c) nonionic, copolymerizable monomers differing from a) and b), the reaction product having been reacted, after the polymerization, with initiators forming nonionic radicals.

The present invention relates to a cosmetic composition for dyeing keratin fibers, in particular human keratin fibers such as the hair, comprising: a) one or more fatty substances; b) one or more surfactants; c) one or more oxidation bases; d) one or more couplers based on 2-hydroxynaphthalene derivatives or particular phenol derivatives, acylaminophenol derivatives or quinoline derivatives; f) one or more basifying agents; e) optionally one or more chemical oxidizing agents; and the fatty substance content representing in total at least 25% by weight relative to the total weight of the formulation. The present invention also relates to a process using this composition, and to a multi-compartment device that is suitable for performing the said process.

Concentrated cleaning formulations for removing debris from hard surfaces and textile surfaces. An exemplary formulation includes a mixture of the following chemical components, in specified proportions: glycerin;monopropylene glycol;triethylene glycol methyl ether;a non-ionic surfactant;an emulsifier;soya methyl ester or canola methyl ester, or both; andhydroxypropyl sulfonate; The formulation is free of water other than insignificant amounts present in the chemical components combined to make the mixture. Combining the formulation with water causes a temperature of the combination to increase above the temperatures of the water and the formulation before combining.

A control method of a laundry machine is disclosed. The control method of a laundry machine comprising a balancer includes an unbalance sensing step, wherein the unbalance sensing step recognizes an unbalancemaximum value and an unbalanceminimum value of an unbalance wave and the unbalance sensing step determines an average value of the two unbalance maximumvalue and unbalanceminimum value to be of the unbalance generated in a drum provided in the laundry machine.

An active filter device and a circuit arrangement comprising an active filter device are disclosed. In an embodiment the active filter device includes sensor terminals for applying a sensor signal depending on a sensed noise signal, an output terminal for providing a correction signal that is suitable for reducing the noise signal, a signal source adapted for generating a correction signal and a high-pass filter coupled between the sensor terminals and the signal source, wherein the correction signal is generated with a dependence on a high-pass filtered sensor signal.

A track and hold circuit comprises an input buffer amplifier, a unit gain amplifier module, a sampling switch, a drive triode and a sampling capacitor. The input buffer amplifier receives an input signal. In a track phase, the sampling switch is electrically connected to an emitter electrode of the drive triode; the input signal charges the sampling capacitor after being buffered by the input buffer amplifier, amplified without distortion by the unit gain amplifier module and driven by the drive triode. In a hold phase, the sampling switch is electrically connected to a base electrode of the drive triode; the base voltage of the drive triode is pulled down until the drive triode is cut off; electrical charges on the sampling capacitor are thereby held, causing the signal to be held on the sampling capacitor.

A loop filter with an active discrete-level loop filter capacitor can be used in a VCO (such as for CDR). A loop filter capacitor function is simulated by sensing input loop filter current (such as with a current mirror and source follower in the input leg), and forcing back a loop filter (VCO) control voltage. Loop filter voltage control is provided using a VDAC with a discrete-level VDAC feedback voltage, incremented/decremented based on the sensed loop filter current. In one embodiment, the VDAC voltage is provided as the non-inverting input to an amplifier, with the inverting input providing the control voltage, forced to the VDAC feedback voltage. The VDAC feedback voltage can be provided by increment/decrement comparators based on a voltage deviation on a C2 capacitor (from a reference voltage) that receives the sensed loop filter current (effectively multiplying the C2 capacitance to provide a simulated loop filter capacitance).

In accordance with an embodiment, an adjustable capacitance circuit comprising a first branch comprising plurality of transistors having load paths coupled in series with a first capacitor. A method of operating the adjustable capacitance circuit includes programming a capacitance by selectively turning-on and turning-off ones of the plurality of transistors, wherein the load path of each transistor of the plurality of transistors is resistive when the transistor is on and is capacitive when the transistor is off.

A nonaqueous electrolyte secondary battery of the present invention includes a positive electrode containing olivine-structured Fe or a Mn-containing phosphorus compound as a positive electrode active material; a negative electrode containing a titanium-containing metal oxide capable of inserting and extracting lithium ions as a negative electrode active material; a nonwoven fabric separator, which contains an electrically insulating fiber and is bonded to a surface of at least one of the positive electrode and the negative electrode; and a nonaqueous electrolyte. In a thickness direction of the nonwoven fabric separator, a density of the fiber on a side having contact with the positive electrode is high, and a density of the fiber on a side having contact with the negative electrode is low.

The object of the present invention is to provide a positive electrode active material usable for a lithium ion battery capable of high charge/discharge cycle performance and high discharge capacity. The positive electrode active material for a lithium secondary battery has a layered structure and comprises at least nickel, cobalt and manganese. Further, the positive electrode active material satisfies requirements (1) to (3) below: (1) a primary particle size of 0.1 μm to 1 μm, and a 50% cumulative particle size D50 of 1 μm to 10 μm, (2) a ratio (D90/D10) of volume-based 90% cumulative particle size D50 to volume-based 10% cumulative particle size D10 of 2 to 6, and (3) a lithium carbonate content in a residual alkali on particle surfaces of 0.1% by mass to 0.8% by mass as measured by neutralization titration.

The present invention relates to a positive electrode active material for a sodium secondary battery, and a method for preparing the same. The positive electrode active material for the sodium secondary battery according to the present invention is structurally more stable by replacing a part of the transition metal with Li, and accordingly, the thermal stability and life characteristics of the sodium battery including the positive electrode active material are greatly improved.

A catalyst composition and a use thereof are provided. The catalyst composition includes a support and at least one RuXMY alloy attached to the surface of the support, wherein M is a transition metal and X≧Y. The catalyst composition is used in an alkaline electrochemical energy conversion reaction, and can improve the energy conversion efficiency for an electrochemical energy conversion device and significantly reduce material costs.

A solid oxide fuel cell having an electric power generating element unit that is configured by sandwiching a solid electrolyte layer between a fuel electrode layer and an oxygen electrode layer with a pore that is present in the solid electrolyte layer and is covered with a sealing material. In addition, a pore that is present in an interconnector, which is electrically connected to the fuel electrode layer or the oxygen electrode layer, is covered with the sealing material. Consequently, the solid oxide fuel cell is capable of easily preventing gas leakage.

A manufacturing method of a proton exchange membrane is provided, which includes the steps as follows. The hydroxyl groups are disposed on the surface of a substrate by a hydrophilic treatment. The hydroxyl groups on the substrate are chemically modified with a coupling agent by a sol-gel process. The substrate is exposed to an amino acid with a phosphonate radical so that the amino acid containing a phosphonate radical can be chemically bonded with the coupling agent. The chemically bonded substrate is immersed in phosphoric acid for absorbing the phosphoric acid. The substrate blended with the phosphoric acid is placed between at least two leak-proof films for the purpose of preventing the leakage of the absorbed phosphoric acid. The proton exchange membrane manufactured by this method enable to retain the phosphoric acid in organic/inorganic complex form and micron/nano complex pore size.

A fuel cell stack includes a pair of end plates disposed on opposing sides of a fuel cell stacked body in a first direction, a coupling bar that bridges between the end plates, a fastening member that connects the end plates and the coupling bar in the first direction, and a cylindrical knock disposed inside an end plate side mounting hole and a coupling bar side mounting hole of the end plates and the coupling bar in the first direction, and being externally fitted to the fastening member inside the end plate side mounting hole and the coupling bar side mounting hole. A first seal member in close contact with at least an inner circumferential surface of the end plate side mounting hole and the fastening member is disposed in a portion located between the cylindrical knock and the fastening member inside the end plate side mounting hole.

Provided is a positive electrode active material that can be used to fabricate a nonaqueous electrolyte secondary battery having excellent output characteristics not only in an environment at normal temperature but also in all temperature environments from extremely low to high temperatures. A positive electrode active material for nonaqueous electrolyte secondary batteries, the positive electrode active material includes a boron compound and lithium-nickel-cobalt-manganese composite oxide of general formula (1) having a layered hexagonal crystal structure. The lithium-nickel-cobalt-manganese composite oxide includes secondary particles composed of agglomerated primary particles. The boron compound is present on at least part of the surface of the primary particles, and contains lithium. Li1+sNixCoyMnzMotMwO2 (1)

A system and method for a battery cell having an anode and a cathode, and a separator disposed between the anode and the cathode. A conductive layer disposed in the separator facilitates detection of dendrite growth from the anode into the separator, the detection correlative with a reduction in voltage between the anode and the conductive layer. A detection interface component coupled to the conductive layer is configured to facilitate routing of a signal from the conductive layer to a circuit external to the battery cell, the signal indicative of the detection. The battery cell may be part of a battery or battery pack which may be utilized by an electronic device.

A battery pack has a battery pack housing that defines an interior region, and a battery module that is disposed in the interior region. The battery module has a first battery cell, and a first heat exchanger defining a first flow path portion therethrough. The battery pack further includes a first electric fan and a thermally conductive housing that are disposed in the interior region. The thermally conductive housing has a first housing portion, and at least first and second cooling fins defining a second flow path portion therebetween. At least a portion of the second flow path portion is substantially in-line with the first flow path portion. The first electric fan urges air to flow through an inlet aperture, the first flow path portion, the second flow path portion, and through the first electric fan to a first outlet aperture to cool the battery module.

A battery module and a method of manufacturing the same are provided. The battery module includes a case providing an internal space, a plurality of battery cells disposed in the internal space of the case, and at least one cooling unit interposed between the battery cells to be in surface contact with the battery cells and dissipating heat generated by the battery cells externally.

The invention relates to a housing (10) for accommodating a plurality of battery cells (20), in particular lithium-ion battery cells, wherein the housing (10), in particular a plastic housing, comprises a cooling device with an inlet point (30) and an outlet point (40) for an air stream (22) for cooling the battery cells (20). In addition, the housing (10) is designed as a single piece together with the cooling device integrated in the housing (10), and the cooling device additionally has spacers (34; 34a, 34b) for arranging all accommodated battery cells (20) with an intermediate space (23) for guiding air between the battery cells (20), by which means an air channel (25) is provided for the air stream (22) between the battery cells (20). The invention further relates to a battery pack (50) and to a motor vehicle comprising such a battery pack (50).

A unit cell pack according to the present disclosure includes a first battery module including battery cartridges that are sequentially stacked, a plurality of batteries wherein two batteries are seated on an upper surface of each of the battery cartridges, electrode connection members respectively positioned on both sides of the battery cartridges, and a battery cover covering the battery cartridges, the plurality of batteries, and the electrode connection members; a second battery module being adjacent to the first battery module and including same constituent elements as the first battery module; a battery housing surrounding the first battery module and the second battery module, and including air inflow window covers and air outflow window covers facing each other; and a fan duct disposed on the air outflow window covers of the battery housing, in which the two batteries on the upper surface of each of the battery cartridges are electrically connected in parallel, the battery cartridges are electrically connected in series through the electrode connection members, a lower surface of each of the battery cartridges defines air guide grooves with respect to each other, and the air guide grooves are aligned with the air inflow window covers and the air outflow window covers on one of the first battery module and the second battery module, forming straight air passages.

Systems and methods for treating small elongated fibrous and particles of certain materials, e.g., PTFE materials in a suspension are presented. In some instances, high-intensity ultrasound (or acoustical energy) is applied to a sample of the material, through a fluid coupling medium or suspension, to achieve a material transformation in the sample. In various embodiments, fibrillation of particles of PTFE or similar materials is accomplished, or the formation of extended structures of these materials is caused or enhanced. Also, the ability to separate long fiber samples by ultrasonic or acoustic cavitation action is provided.

A crosslapper receives a card web and folds it into a lap intended to be needle-punched or consolidated by other ways. The web includes zones which are more condensed, having a spectrum of orientation of fibers with a component parallel to the width of the web, alternating with less condensed zones having a longitudinal unidirectional spectrum of orientations. The zones which are less condensed are used to form the edge zones of the lap. The result is that the lap has different respective spectra of orientation which pre-compensate for the unwanted changes produced by the needle-punching or other consolidation which follows. A needle-punched lap is obtained having a uniform MD/CD ratio (relationship between longitudinal and respectively transverse tensile strengths) or having a sought profile of the MD/CD ratio across the width of the lap.

An applicator head for cutting yarn into segments of yarn and depositing the segments of yarn on a deposition surface. The applicator head includes a single mechanism that moves the yarn towards said deposition surface and also cuts the yarn into segments.

The invention relates to a saw-tooth clothing for rollers of a carding machine or a carder. The saw-tooth clothing has a multiplicity of successively arranged teeth, wherein each tooth has a tooth front and a tooth back and a tooth tip. The tooth backs of the teeth have in each case a certain distance from the tooth front of the in each case following tooth and form a tooth space which extends from a tooth root to the tooth tips. Between the tooth tips and the tooth root, the teeth have in each case on their tooth back and on their tooth front at least one embossment which reduces the distance between the tooth back of the teeth and the tooth front of the in each case following tooth.

In order to produce air-laid non-woven fabrics with an adjustable strength ratio of the production direction and 90° to the production direction, two non-woven laying machines are set at an angle to the production direction.

In a device on a spinning room preparation machine, for example a fiber flock feeder, carding machine, cleaner or the like, for supplying and/or discharging fiber material, a tray-like guide element having a guide surface co-operates with at least one conveyor roll located opposite, the fiber material being guided towards and along the guide surface. In order to provide a simple way of supplying and/or discharging fiber material without undesirable adhesion of fibers, the guide element located opposite the at least one conveyor roll is arranged to be set in vibration by at least one actuator.

A device attaches a flexible clothing in the form of a clothing strip to a card flat bar of a revolving card flat. The card flat bar has a card flat foot with a clothing take-up surface and a web lying above the card flat foot. At least two clips are provided on the clothing strip. The device includes means to accommodate and hold the card flat bar and the clothing strip. The device furthermore includes press rams, which are guided in a moveable manner transversely to the longitudinal direction of the card flat bar and from both sides parallel to the clothing take-up surface of the card flat bar. By means of the movement of the press rams, an integral formation of the clips on the card flat foot is caused. The press rams have a drive with compression hoses.

A pressure steam treatment apparatus according to the invention includes a pressure steam treatment chamber and labyrinth sealing chambers. The labyrinth sealing chambers are respectively arranged on a fiber bundle inlet and on a fiber bundle outlet of the steam treatment apparatus, having a running path of the fiber bundle in a horizontal direction and having plural labyrinth nozzles on top and bottom of the running path. The difference between a maximum value and a minimum value of the distance in the perpendicular direction of the top and bottom side labyrinth nozzles, of a pair of opposing labyrinth nozzles is 0.5 mm or smaller when the ambient temperature of the labyrinth sealing chamber is 140° C. This structure ensures that the energy cost can be reduced, the deformation of the apparatus and also, the raise of fuzz on the fiber bundle and fiber bundle breakage can be prevented at the same time.

A rotary drum for a fiber-stacking device includes a drum body, pattern plates each having a single fiber-stacking depression, and holding mechanisms each detachably holding a corresponding pattern plate on the outer circumferential surface of the drum body. Each holding mechanism has a fixed hook and a moveable hook. The fixed hook is immovably attached to one side of the drum body and forms a first groove with the drum body. The movable hook is attached to the other side of the drum body to be moveable between a holding position and a release position, forms a second groove with the drum body at the holding position, and opens the second groove at the release position. When the movable hook is at the holding position, the two side parts of the pattern plate are accommodated inside the first and second grooves.

The front top roller (20) includes a fiber contacting portion (30) and a reduced-diameter portion (31). The fiber contacting portion (30) has a substantially uniform outer diameter. The reduced-diameter portion (31) is provided at both ends of the fiber contacting portion (30) in an axial direction, and is formed with an outer diameter smaller than an outer diameter of the fiber contacting portion (30). The fiber contacting portion (30) has a width (W1) in an axial direction of 18 mm and the outer diameter (D1) of 30 mm. An outer diameter (D2) of the reduced-diameter portion (31) is 25 mm.

A detaching roller apparatus in a combing machine includes a detaching roller and a plurality of electric motors. The detaching roller has a first end and a second end. The electric motors are connected to the detaching roller at positions adjacent to at least one of the first and second ends of the detaching roller for driving the detaching roller reversibly. The electric motors are synchronized.

A fiber laying machine includes a laying head with a roller able to pivot about an axis of rotation and to apply a plurality of preimpregnated fibers to an application surface by rolling over the application surface. The fibers are distributed along a lower generatrix of the roller and in contact with an exterior surface of the roller over an angle of wrap. The roller includes a cylindrical body, pivoting rings around the body, and means for immobilizing the pivoting rings with respect to the body in a direction parallel to the axis of rotation. The pivoting rings are able to pivot independently of one another.

A working assembly (1) includes a rotatable hollow drum or cylinder (2) having a cylindrical wall (3) with ends having transverse header walls (4) with openings (16, 17), and with a longitudinal shaft (5). The external lateral surface of the cylindrical wall (3) has a clothing device intended to interact with the fibers being carded. First and second support uprights (6, 7) are fixed in operation, and adapted to support the ends of the shaft (5) of the drum or cylinder (2) for rotation about a preferably horizontal axis. The support uprights (6, 7) and the drum or cylinder (2) are configured and coupled with each other such as to define at least one fluid path for a flow of a refrigerating fluid, which extends through the openings (16, 17) and inside the drum or cylinder (2) and is adapted to cause cooling of the lateral cylindrical wall (3) thereof.

A structure of a mounting bracket that connects a vehicle body and a transmission is provided. The structure includes an outer pipe having an insulator disposed therein and the insulator includes a plurality of stoppers having curved portions and a protrusion formed at an inner top portion of an aperture of the insulator and directed downwards. An inner pipe is coupled in the aperture of the insulator and a core is press-fitted into the inner pipe. The inner pipe and the core abut each other by the protrusion. Accordingly, vehicle dynamics control and quasi-static motion performance are improved, and operational noise, vibration, and noise attributable to vibration are reduced. Since the outer pipe and the inner pipe are made of plastic, the weight of the structure is decreased. Further, a decrease in the gap between stoppers is achieved without a swaging process.

A raceway and method of forming a raceway is disclosed in which one or more intumescent layers are disposed on the raceway.

A displacement mechanism includes a base, three rails, three arm assemblies, a moving platform, and three parallel linkage assemblies. The rails stand on the base. Each of the arm assemblies has a first end and a second end. The first ends are slidably connected to the rails, respectively. Each of the arm assemblies is configured to swing in a space among the rails. The moving platform is parallel to the base. Two ends of each of the parallel linkage assemblies are connected to the second end of the corresponding arm assembly and the moving platform in a multidirectional rotating way, respectively. Each of the arm assemblies substantially extends away from the base from the corresponding rail, and each of the parallel linkage assemblies substantially extends toward the base from the second end of the corresponding arm assembly.

A railway car air brake hose support bracket has an upper portion with first and second attachment members, a lower portion and an air hose connector. The first attachment member enters into and engages a portion of an accessible compartment of an uncoupling mechanism housing below the coupler head, and the second attachment member is secured to an air brake hose support lug of the railway car coupler. The air brake hose connector engages an air brake hose assembly and suspends this hose assembly from the railway coupler at a predetermined distance above the rail bed. A method of installing the hose support bracket includes positioning the first and second attachment members, securing them in place, and attaching one or more railway brake hose units to the air hose connector, either before or after this positioning and securing of the upper portion of the bracket.

Device for attaching a cable to a structure using an implement that includes a first body segment having a first end, a second end, and an inner wall, and defines a recess extending from the first end to the second end. The implement is receivable within the recess from the first end and permitted to extend beyond the second end to attach the device to the structure. A second body segment is coupled to the first body segment by a joining member, the second body segment having a first end, a second end, an inner wall, and defining a second body channel adapted to receive the cable. The inner wall of the first body segment, the inner wall of the second body segment, and the joining member define a first channel adapted to receive the cable.

An apparatus for reverse mounting an electronic device in a server housing is provided. The apparatus includes a first bracket, a second bracket, and a coupling. The first bracket couples to the device body and extends outward from the device body toward a front rail of the server housing. The first bracket includes a first end configured to releasably couple to front rail of the server housing. The second bracket includes a protrusion that extends outward from the device body in an opposite direction relative to the first bracket. The coupling includes a first portion that couples to a rear rail of the server housing and a second portion defining a channel that receives the protrusion of the second bracket.

A bracket is configured to be mounted to a post of a rack. The bracket includes a side plate, an end plate, a first mounting member and a foolproof device. The end plate is substantially perpendicularly connected to the side plate. The first mounting member is mounted to the end plate. The foolproof device is arranged at a side of the end plate. When the bracket is placed at a first mounting angle relative to the post, the fool proof device does not interfere with the bracket, in order to allow the bracket to be mounted to the post. When the bracket is placed at a second mounting angle relative to the post, the foolproof device interferes with the bracket, in order to prevent the bracket from being mounted to the post.

A conduit spacing and mounting system and method are provided for prefabricating multilayered assemblies of conduits and mounting them end-to-end in a building. The system includes a pair of spacer plates, each having a same pattern of conduit-receiving openings, and a plurality of clamping assemblies, each including a bracket which is discrete from and individually attached to the spacer plate adjacent to one of the conduit-receiving openings. The clamping assemblies are oriented at different angles relative at different rows of the conduit-receiving openings to provide access for a clamp-tightening tool in the spaces between different rows of conduits. The use of spacer plates largely prevents lateral misalignments between the conduits, and the use of a separate bracket formed from a harder, stronger or thicker metal than the spacer plate greatly increases the strength and reliability of the clamping force applied to the conduits.

Disclosed are a method and/or a system of a mounting bracket. In one aspect, the mounting bracket includes a rectilinear faceplate. The rectilinear faceplate has three edges. The adjacent edges produce a specific angle between the adjacent edges. The rectilinear faceplate is capable of being attached to an item to be mounted onto a surface. The mounting bracket includes three walls where each edge is adjoined perpendicular to a corresponding wall. The mounting bracket includes three lips. Each lip is adjoined perpendicular to the corresponding wall such that each edge is associated with a corresponding lip. Each lip is capable of attaching to a fixture affixed to the surface. The mounting bracket allows the item to be mounted on the surface in two specific orientations. The two specific orientations are determined based on being able to rotate the item by a difference between 180 degrees and the specific angle.

A stud mounting bracket for a junction box includes a mounting extension extending outward from a longitudinal end margin of a main body. The mounting extension includes a mounting body connected to the longitudinal end margin of the main body and an extension tab connected to the mounting body. The extension tab is pivotable relative to the mounting body about an axis from a compact configuration to an extended configuration to increase the length of the mounting extension. A box mounting bracket for mounting a junction box on a stud mounting bracket includes first and second jaws. The first and second jaws engage the stud mounting bracket for use in attaching the box mounting bracket to the stud mounting bracket. The first and second jaws are resiliently deflectable both relative to the base and independent of one another when attaching the box mounting bracket to the stud mounting bracket.

Embodiments are disclosed that relate to mounting brackets for speakers. In some embodiments, a mounting bracket includes a first plate portion; a second plate portion, the second plate portion perpendicular to the first plate portion; and a slot extending continuously from the first plate portion to the second plate portion.

This invention is a mounting system for a loudspeaker system that is capable of positioning and re-positioning the box-like device of the loudspeaker without requiring the use of any retaining/tensioning fasteners. A bracket facilitates constraining the positioning and repositioning for the roll and pitch axes while simultaneously providing audible feedback angular movement indication that enable vertical and horizontal orientation with respect both to the installation environment and to match its positioning to other like installed systems.