Abstract: A printed circuit board and a method of manufacturing a printed circuit board are disclosed. Using a method of manufacturing a printed circuit board, which includes: forming a multilayer board by alternately stacking circuit pattern layers and insulation layers such that a predetermined thickness of a partial area has only insulation layers stacked therein; and removing insulation layers from the partial area of the multilayer board, a printed circuit board can be manufactured that is suitable for a slim module.

Abstract: An auxiliary cable bracket having a main plate and a mounting plate. The mounting plate is connected to the main plate and is positioned spaced apart from the main plate such that the frame of a ladder rack section can be positioned therebetween. At least one tooth is formed on a surface of at least one of the mounting plate and the main plate.

Abstract: An anti-surge/reverse thrusting tool for reducing the forces on a drill bit used in subterranean well drilling operations is provided along with methods for drilling wells using a drill string employing the tool. The tool utilizes the pressure differential between drilling fluid flowing through the tool and the fluid located in the well bore annulus proximate the tool to reduce the likelihood of drill bit stall. The tool generally comprises an outer housing and a piston assembly that is axially shiftable relative to the housing.

Abstract: A method for creating a programmable pressure zone adjacent a drill bit bottom hole assembly by sealing near a drilling assembly, adjusting the pressure to approximately or slightly below the pore pressure of the well bore face to permit flow out of the formation, and, while drilling, adjusting by pumping out of, or choking fluid flow into, the drilling assembly between the programmable pressure zone and the well bore annulus to avoid overpressuring the programmable pressure zone unless required to control the well.

Abstract: A method to recover a lost circulation material from a drilling fluid used in a drilling operation comprising the steps of: directing a drilling fluid containing a lost circulation material into a drill string positioned in a well bore, the lost circulation material having a magnetic property; recovering the drilling fluid containing at least a portion of the lost circulation material from the well bore; and magnetically separating the lost circulation material from the drilling fluid.

Abstract: A locking clutch to selectively transmit torque from a stator of a downhole tool to a rotor of the downhole tool includes at least one locking pawl disposed upon the rotor, wherein the at least one locking pawl comprises a load path, a pivot axis, and a mass center, wherein the at least one locking pawl is biased into an engaged position by a biasing mechanism, wherein the at least one locking pawl transmits force from the stator to the rotor along the load path when in the engaged position, and wherein centrifugal force urges the at least one locking pawl into a disengaged position when the rotor is rotated above a disengagement speed.

Abstract: The invention relates to a drive system, in particular a downhole drilling assembly (10). In the preferred embodiment, a bearing mechanism (14,24) of the assembly (10) is isolated from a gear mechanism (20) of the assembly (10), to prevent failure of the bearing mechanism (14, 24) due to vibration and heat generated by the gear mechanism (20) in use. A lower bearing unit (24) of the bearing mechanism (24) is coupled to the gear mechanism (20) by a shock eliminating coupling assembly (22), which prevents the transmission of shock loads to the gear mechanism (20). Also, the gear mechanism (20) is coupled through a shock eliminating coupling assembly (18) to a turbine (16) and thus to an upper bearing unit (14). Sealing assemblies (60, 116) are provided for the gear mechanism (20) and the upper bearing unit (14) to prevent drilling fluid ingress and consequent damage. The assembly (10) may also carry a torsionally flexible drive shaft (46).

Abstract: According to the present invention, a drill rod (10) comprises an elongate hollow shaft (12) with a first shaft end and a second shaft end (22), the first shaft end having a first connector for connecting the drill rod (10) to a drive mechanism, the second shaft end (22) having a first female tread (24); and an adapter (30) with a first adapter end (32) and a second adapter end (34), the first adapter end (32) having a first male thread (42) cooperating with the first female tread (24) of the second shaft end (22), the second adapter end (34) having a second connector for connecting a drill bit (46) thereto. When a drill bit (46) is connected to the drill rod (10), the adapter (30) is sandwiched between the hollow shaft (12) and the drill bit (46). The above configuration of drill rod allows a great variety of drill bits to be used in conjunction with a single hollow shaft. There is hence no need to provide a different hollow shaft if a different drill bit is to be used.

Abstract: A hybrid drill bit having both roller cones and fixed blades is disclosed, and a method of drilling. The cutting elements on the fixed blades form a continuous cutting profile from the perimeter of the bit body to the axial center. The roller cone cutting elements overlap with the fixed cutting elements in the nose and shoulder sections of the cutting profile between the axial center and the perimeter. The roller cone cutting elements crush and pre- or partially fracture formation in the confined and highly stressed nose and shoulder sections.

Abstract: A cutter is configured with a diamond table made from a thin hard facing material layer of polycrystalline diamond bonded to a backing layer made from cemented tungsten carbide. The face of the diamond table includes a concavity formed with a curved shape wherein at least a portion of the face in a center of the cutter is recessed with respect to at least some portion of the face about the perimeter of the cutter. This concave curved shape is formed in the diamond table itself such that the diamond table has a varying thickness depending on the implemented concavity. Alternatively, the concave curved shape is formed in the backing layer and a substantially constant thickness diamond table layer is attached thereto.

Abstract: In one aspect of the present invention, a tensioning element adapted to connect a first object to a second object. The tensioning element comprising a breakaway tensile bearing interlocking geometry on a first end, a thread form on a second end, and a breakaway torque bearing feature affixed to the first end.

Abstract: A transport system for transporting articles along a transport path having a plurality of pusher members coupled to a control mechanism for moving the pusher members along the transport path. A support for supporting articles as they are pushed by the pusher members extends along the transport path, and a weighing system includes a weighing member supported on a weight detection device.

Abstract: Disclosed is a conductor pattern structure of a capacitive touch panel. First-axis conductor assemblies and second-axis conductor assemblies are formed on a surface of a substrate. Each first-axis conductor assembly includes a plurality of first-axis conductor cells that are interconnected by first-axis conduction lines. An insulation layer is formed on a surface of each first-axis conduction line. Each second-axis conductor assembly includes a plurality of second-axis conductor cells that are interconnected by second-axis conduction lines. Each second-axis conduction line extends across the insulation layer of the associated first-axis conduction line.

Abstract: A portable computer includes a main body casing comprising an upper plate and a supporting portion disposed below the upper plate, and a touch-pad seated on the supporting portion and to sense coordinates touched on a plate surface to generate a position data of a pointer, the supporting portion comprising a lateral wall bent from the upper plate, and a seating portion bent from the lateral wall and formed with an opening in one area thereof.

Abstract: Implementations feature scannable form techniques and systems. Some aspects feature an apparatus that includes a pen-camera device, an electronic clipboard to store the pen-camera device, and a docking station for the clipboard. The clipboard includes a retention clip to hold a form on a substantially planar surface, and a pen-camera storage compartment to store the pen-camera device. The clipboard includes a power supply interface for charging the pen-camera device, a communication interface to transmit image and location data from the pen-camera device, and electrical interfaces for the clipboard docking station. The pen-camera device can mark response data on the form, optically scan response data and location data on the form, and associate time-stamped information for the marked responses on the form for error checking and fraud detection. The scannable form can include an area for encoded information that identifies a location and arrangement of a position-coding pattern on the form.

Abstract: A power wheelchair includes a frame, on which a pair of front wheel sets, a pair of middle wheel sets, a pair of rear wheel sets and a pair of elastic devices are provided. Each of the front wheel sets includes a front wheel mount having a first connection portion pivoted to the frame, and a second connection portion connected to a front wheel. Each of the middle wheel sets includes a middle wheel mount having a first connection portion pivoted on the frame, and a second connection portion, connected to a middle wheel. The elastic device are provided between the front wheel mounts and the middle wheel mounts respectively to cushion a swing of the front wheel set and the middle wheel set relative to the frame.

Abstract: Children's ride-on vehicles having powered window mechanisms, and window mechanisms for such vehicles. The window mechanism includes a window drive assembly that selectively drives movement of a window member relative to the vehicle body. In some embodiments, the window drive assembly includes a window motor assembly and a window linkage to couple the output of the window motor assembly to the window member. In some embodiments, the window member includes a receiving region coupled to the window linkage. In some embodiments, the window mechanism includes a window support assembly that maintains the window member in a predetermined orientation relative to the vehicle body.

Abstract: A hybrid electric vehicle having alternate fuel sources is shown and includes an AC/DC converter for storing a direct current voltage in a battery. A fuel converter converts a composition fuel into a combustible fuel, preferably hydrogen. The hydrogen is stored in a hydrogen storage device. The charging of a battery or the production and storage of the hydrogen occurs prior to the starting of or the operation of the hybrid electric vehicle. A driving system includes a direct current motor and a combustible fuel engine. A control device enables the driving system to be powered by the direct current voltage or the combustible fuel. A hydrogen fuel cell uses hydrogen to produce a direct current voltage.

Abstract: The subject invention provides a wheel assembly (20) having a spindle (26) for attachment to a vehicle along a rotational axis (R). An electric motor (22) is disposed radially about the spindle (26) and includes a stationary stator (34) and a rotor (36) rotatable about the rotational axis (R) relative to the stator (34). A rotor support (40) is disposed about the spindle (26) and includes a collar (42) rotatably supported by at least one rotor support bearing (46) on the spindle (26). The rotor support (40) includes a flange (44) disposed within a predetermined axial distance (D) and extending radially outward from the collar (42) to support the rotor (36). A planetary gear system (62) interconnects the rotor support (40) and a wheel drive (52) for reducing rotational speed of the rotor (36) and increasing the torque of the wheel assembly (20).

Abstract: A power transmission system for a hybrid motor vehicle is disclosed, where the vehicle is alternatively drivable via one or the other of two motors which are independent of one another, in particular an internal combustion engine and an electric motor, or by combined operation of these motors. The system includes an input shaft connected to the internal combustion engine, which shaft can, via a clutch arrangement, on the one hand transmit rotation of the input shaft to an output shaft, which is connected to a transmission of the vehicle, and on the other hand transmit rotation of the electric motor to the output shaft.

Abstract: A cooling structure for a continuous variation transmission system of an all-terrain vehicle which includes a radiator mounted at a front end of the vehicle and under a front body cover, a hood enclosing the radiator, a gearbox having an inlet and an outlet, the inlet being connected with an inlet conduit for drawing outside cool air into the gearbox, the outlet being connected with an exhaust conduit for discharging hot air from the gearbox, wherein the inlet conduit has an inlet end mounted between the hood and the front body cover and shielded by the hood and the front body cover, whereby the cooling structure can effectively prevent water, dirt and dust from entering the gearbox and are simple in construction and easy to assemble and maintain.

Abstract: A mobile telemedicine device for use in disasters and emergency response comprising four or more wheels connected to a drive train and a main compartment. The main compartment comprises an interior portion and an exterior portion and a supplemental compartment connected to the main compartment. Communications ports are connected to the exterior, and the supplemental compartment. Patient care tables are located in the main compartment. A method for using an all terrain mobile telemedicine vehicle, first driving the mobile telemedicine device to a disaster or emergency location and lowering and deploying a vehicle from the storage compartment to search for patients in need of medical services.

Abstract: The present invention relates to a truck, in particular to a bulk goods dump truck of the so-called large dump truck type, having a chassis with wheels of which a plurality of wheels each have a single wheel drive and having a control device for the control of the speed and/or of the torque of the single wheel drives.

Abstract: A vehicle seat-belt apparatus including: a forward monitoring device which conducts monitoring to the front of a vehicle; an avoidance assist device which supports a predetermined avoidance operation in order to avoid an obstacle when it is determined that there is an obstacle to be avoided based on a detection result of the forward monitoring device; a motor which conducts a rotary driving of a belt reel on which a belt is wound; and a control device which controls the motor, wherein the control device conducts a drive control of the motor according to a state of support of the avoidance operation by the avoidance assist device.

Abstract: A power steering system includes a double-acting power cylinder (16) having a four-way valve (20) for controlling steering direction. An accumulator (26) stores pressurized fluid that is controllably supplied to the four-way valve (20) by an electronically controlled three-way valve (28) based upon an applied torque measured at a steering wheel (12).

Abstract: A tractor includes a motor, transmission, drive shaft and rear differential for driving the rear axles mounted on a main tubular frame of a variable configuration. Forwardly extendable telescoping tubular frame members are actuated by respective rams to selectively increase the wheel base between the front and rear wheels. The front and rear telescoping tubes supporting each of the wheels are selectively extendable to significantly increase the wheel width of the tractor; the axles for the rear wheels are commensurately extendable. A toolbar dependingly supported from the main frame in front of the cab permits the operator to view the operation of attached implements while driving. The toolbar may include a row guide causing the toolbar to move laterally as necessary to follow a row and the toolbar is connected to the steering mechanism to control the direction of travel of the tractor.

Abstract: An electric power assist module for a steering system has an integrated housing for accommodating the torque sensor, motor and electronic control unit. A helical gear train including a pinion gear, an intermediate gear and steering gear are provided to transfer the motion from the motor to an output shaft that is coupled to an input shaft by way of a torsion bar.

Abstract: A variable gear ratio steering apparatus has a steering operating member, a turning unit to turn a vehicle wheel and a gear ratio varying unit arranged between the steering operating member and the turning unit. The gear ratio varying unit comprises a differential gear mechanism, a gear ratio control motor and a steering torque assistance motor. The differential gear mechanism has a first internally toothed gear coupled to the steering operating member, a second internally toothed gear coupled to an input shaft of the turning unit and arranged coaxially with respect to the first internally toothed gear, at least one inside gear meshing with both the first and second internally toothed gears, and an inside gear support member rotatably supporting the inside gear. The gear ratio control motor is connected to the inside gear support part. The steering torque assistance motor is connected to the second internally toothed gear.

Abstract: A hearing protection device and method for a human ear. A plug member caps or enters ear canal, and may be shaped to conform to the external auditory meatus. The device is biased at least in part by a pressure pad to provide some force against the plug member. An optional handle may be provided to assist with temporarily pulling the plug member away from the ear canal or providing adjustment. An optional bow member clips about the pinna. The device may be adapted for use as an ear phone.

Abstract: A device comprises an acoustic lens (100) with a variable focal length and means (12) for directing incoming acoustic waves onto the lens. The acoustic lens comprises a curved boundary between two fluid media (1, 2) in which the acoustic waves have different propagation velocities. Means (5, 6, 7) are provided for applying a force directly onto one of the fluid media (1) so as to induce a displacement of the boundary (M1, M2). Such arrangement of the acoustic lens makes it possible to achieve rapid variations in the focal.

Abstract: A sound-wave path-length correcting structure for a speaker system includes a sound source and a horn. The horn has a sound-wave path-length correcting throat portion. The sound-wave path-length correcting throat portion corrects a sound-wave path-length of a sound wave input from an inlet opening thereof in the sound path, and emits the sound wave from an outlet opening thereof. The sound path is defined by a first side surface with a concave curved surface and a second side surface with a convex curved surface that face each other with a space, and a third side surface and a fourth side surface that face each other with a space. The third side surface and the fourth side surface are formed so that their surfaces gradually widen as the surfaces advance from the inlet opening to the outlet opening of the sound-wave path-length-correcting throat portion.

Abstract: An arcuate or semi-circumferential shield in the shape of a visor that is adapted to be secured to an external surface of a nozzle housing of a jet nozzle to attenuate jet noise generated by the jet nozzle. The shield may be fixedly secured to the nozzle housing or movably supported so that it can be moved between retracted and deployed positions. When used as a fixedly mounted component, or when positioned in its deployed position, a downstream edge of the shield extends past a downstream edge of the nozzle housing and the shield is spaced apart from an outer surface of the nozzle housing to form a channel therebetween. The shield is preferably orientated at approximately a bottom dead center of the nozzle housing. The shield operates to attenuate jet installation noise, and particularly jet installation noise experienced during the takeoff phase of flight of a jet aircraft, as well as to reduce jet installation noise that would otherwise propagate forwardly toward the cockpit of the aircraft.

Abstract: A silencer for attenuating a sound includes an inner duct in which gas flows, and an outer duct surrounding the inner duct with a gas layer formed between the outer duct and the inner duct. The sound is generated in one of an upstream side of the inner duct in a gas flow direction, a downstream side of the inner duct in the flow direction, and an inside of the inner duct. The inner duct includes a thin film over its entire surface. The film has a first reinforcement section formed in a direction parallel to the flow direction, and a plurality of vibrating surfaces. The film is bent at the first reinforcement section. Each combination of adjacent two of the plurality of vibrating surfaces is connected by the first reinforcement section. The first reinforcement section of the inner duct is fixed to the outer duct.

Abstract: Sound absorbent (1) of a hard material, such as metal, glass, hard plastic or composites thereof, for absorption of acoustic waves by friction of viscous flow, essentially in the frequency range between 100 and 4000 Hz. The sound absorbent (1) comprises a panel element (3) with microslits (5) therethrough, said microslits (5) having a minimum slit width (b) of less than 0.45 mm. When in use, the panel element (3) is arranged with a distance to a rear surface.

Abstract: A material for use in building construction (partition, wall, ceiling, floor or door) that exhibits improved acoustical sound proofing and fire resistance. The material comprises a laminated structure having as an integral part thereof one or more layers of intumescent viscoelastic material which also functions as a glue, energy dissipating layer, and a fire resistive layer; and one or more constraining layers, such as gypsum, cement, metal, cellulose, wood, or petroleum-based products such as plastic, vinyl, plastic or rubber. In one embodiment, standard wallboard, typically gypsum, comprises the external surfaces of the laminated structure.

Abstract: A stair climbing aid comprises two slide rails, an assist member, a control mechanism and two positioning assemblies. The slide rails and the assist member are assembled to handrails at both sides of the stairs. The control mechanism is disposed on the assist member to be controlled by the user. The positioning assemblies are disposed at both sides of the assist member, each positioning assembly is provided with an engaging portion to be engaged in the respective positioning portions of the slide rail. Thereby, an anti-slide effect is produced, so as to prevent the user from falling down the stairs and to help the user move from step to step safely.

Abstract: A step stool for storing underneath a cabinet and extending therefrom when in use is provided. Such step stool includes a platform member for supporting a user. Such platform member being manufactured from a first predetermined material and having a first predetermined size and a first predetermined shape. A mechanism is operably disposed on at least one of a bottom portion of such platform member and at least one side of such platform member at a first predetermined location thereon for facilitating movement of the step stool such that the step stool may be extended from underneath such cabinet for use and may be returned to a position underneath such cabinet for storage.

Abstract: An attic ladder has a frame, a first side rail, a second side rail extending in parallel relationship with the first side rail and pivotally interconnected to the frame at an upper end thereof, and a plurality of steps extending between the side rails. Each of the steps are formed of a polymeric material. The side rails have a curved outer surface. A slidable base rail is mounted at a bottom of each of the side rails so as to support a shoe at a bottom thereof.

Abstract: A scaffold assembly comprising at least one pair of hook-on scaffold elements; said scaffold elements adapted for support of at least one builder's plank; each of said elements comprising a vertical main shaft provided with a hook structure at an upper end of said main shaft and a securing bracket at a lower end of said main shaft; each of said hook-on scaffold elements further comprising a braced hook-on arm; said hook structure adapted for engagement with a horizontal top plate of a building frame, and said securing bracket adapted for engagement with a vertical stud or a horizontal element of said building frame.

Abstract: The present invention relates to a turbomachine comprising an air compressor (3) and a lubrication circuit with an oil tank (1), said oil tank (1) being possibly isolated from the rest of the lubrication circuit (4,4A; 6,6A) by means of an isolation valve (7), wherein the isolation valve (7) is configured so as to: operate, i.e. to close and open respectively as the engine (2) stops and starts; remain open when the engine (2) is running; remain closed when the engine (2) is stopped.

Abstract: An oil pan is disposed in a lower part of an internal combustion engine and has an oil pan body divided, with respect to a vertical direction, into oil pan elements having bottom walls respectively of different depths. A baffle plate divides the interior of the oil pan body into a plurality of spaces at the boundary of adjacent ones of the bottom walls to regulate the flow of oil between the adjacent ones of spaces. The baffle plate is divided with respect to a vertical direction into a plurality of baffle plate elements. The baffle plate elements are formed integrally with the oil pan elements, respectively. The oil pan for an internal combustion engine can be manufactured by reduced time and reduced labor at a low manufacturing cost.

Abstract: A control lever unit includes a lever, a sensor, an urging body and an elastically undeformable restricting member. The lever is pivoted tiltably from a neutral position in any direction within 360 degrees including two main operation directions and intermediate directions therebetween; The sensor detects tilt angle of the lever in the two respective main operation directions. The urging body puts the lever back to the neutral position. The restricting member has an interior wall for surrounding the lever to restrict tilting range of the lever. Contour of the interior wall of the restricting member includes main operation stop portions for specifying tilt limit of the lever in the main operation directions and intermediate stop portions for specifying tilt limit of the lever in the intermediate directions. The main operation stop portions are positioned outside a quadrangle with the intermediate stop portions at apexes thereof.

Abstract: The invention relates to an elevator and an elevator brake, which elevator contains at least a hoisting machine (5) equipped with a traction sheave (6), a brake (10) affecting the rotational movement of the traction sheave and provided with at least one brake shoe (12) and a braking surface (11a), and hoisting ropes (3), which are fitted to move by means of the traction sheave (6) an elevator car (1) that moves along guide rails (4). In an emergency braking situation when the elevator car (1) is moving in the upward direction, the brake shoe (12) of the brake (10) is arranged to move in the direction of rotation of the braking surface (11a).

Abstract: An elevator system (20) includes a transceiver (22) that receives at least one wirelessly transmitted signal (24). In one example, a signaling device (26) includes a plurality of switches (28) that can be activated to provide a signal indicating a desired or intended destination. The signal also provides an indication of the individual from whom the signal is received. A system controller (30) responds to the signal by assigning an elevator car (32) to travel to the intended destination. When the elevator car (32) is situated to receive the individual, in the event that another wireless signal is received, the system provides at least one access feature including delaying closing an elevator car door or generating an audible sound to guide the individual to the car. In one example, the system maintains information regarding expected locations of individuals providing such signals to facilitate providing assistance to them for exiting a building, for example.

Abstract: A wireless, portable call request entry kiosk (14) has a control panel (19) with keys (20, 21) and a display panel for entering calls and informing passengers of the responding elevator. The kiosk has wireless communication (42, 56) with a building (43) where the kiosk is located, to transmit call requests to a dispatching controller (48). The kiosk operates on a rechargeable source such as a battery (51). A sensor (52) determines a lull in traffic, causing the kiosk to operate in a low power consumption mode.

Abstract: The present invention relates to a method and an elevator system for monitoring elevators by using a virtual elevator group. The method for monitoring elevators in an elevator system including a plurality of elevators classified into a plurality of elevator groups, and at least one virtual elevator group including a plurality of elevators, at least one of which is included in a different elevator group and displaying the elevator related information on the elevators included in the selected virtual elevator group.

Abstract: A pedal (10) is formed from a single moulding and includes first and second arms (12, 14), each provided with an over moulded marker (16, 18). The pedal (10) has two fittings (20, 22) for coupling with a brake actuator rod (24) and a coupling member (26) respectively. A castor (40) includes a wheel (42) which can rotate about a bushing (44) and a coupling shaft (46). Within the shaft (46) there is provided a brake mechanism for locking the wheel (42). A base frame (80) for a bed includes longitudinal and transverse struts (52, 54) arranged in a rectangular form, with four castors (40) and four associated pedal assemblies (10). Two actuator rods (24) are provided, one for each pair of opposing pedal assemblies (10), while two connecting elements (26) are provided, one for each pair of side-by-side pedal assemblies (10). All the pedals and thus all the brake mechanisms are coupled to one another through the two actuator rods (24) and two coupling elements (26).

Abstract: A container fillable with a flowable material such as sand, salt or water, and usable as a ballast weight for a back of a motor vehicle and also as a wheel chock. The container is elongate and may have a triangular cross section. One end may be permanently closed. An end cap at the other end may be removed for filling/emptying the container, or may have a hole sealed by a plug or a cap for filing/emptying the container. An anti-skid surface element may provided on an external surface of the body. A separate handle may be provided, or an integral handle may be provided. Stripes of a color contrasting with the body member may be disposed on at least two sides of the body member. The container may be formed of a rigid metal or plastic.

Abstract: In a disk brake for a vehicle, an electric motor is attached to a caliper body so as to exhibit a power for urging a friction pad toward a disk rotor. The electric motor includes a brush holder for holding brushes which contact a commutator at positions at even distances in a circumferential direction of an armature. Internal feed terminals are disposed in the brush holder so as to provide connection between the brushes and feed wires respectively leading to the brushes. A rotational angle detecting sensor is disposed in the brush holder so as to detect a rotational angle of the electric motor. The rotational angle detecting sensor is disposed in the brush holder on a side opposite from the internal feed terminals with respect to the armature. Thus, it is possible to improve assemblability of the rotational angle detecting sensor to the brush holder, and facilitate operation of connecting the feed wires to the brush holder.

Abstract: The present invention is a mechanical safety braking device for use with a mobile storage unit forming a part of the mobile storage system. The device includes an actuating member disposed on a mobile storage unit that is operably connected via a mechanical means to a braking mechanism engaged with a motive system for the mobile storage unit. When the actuating member is engaged, the mechanical connection between the actuating member and the braking mechanism causes the braking mechanism to slow and ultimately cease the operation of the motive means and consequent movement of the mobile storage unit.