Abstract: In a liquid substance supply device, a three port two valve directional control valve is provided in a transfer line, and a substance container and the transfer line are connected together by a four port three valve directional control valve in such a way that the four port three valve directional control valve and the substance container can be removed from the transfer line as a unit. Furthermore, in a vaporizer, an orifice member is provided to surround the end portion of an internal conduit in which flows a mixture substance consisting of a gas and a liquid substance mixed therewith, and gas for atomization is spouted into a vaporization chamber through a gap defined between the internal conduit and the orifice member. Yet further, the temperature of a vaporization surface in the vaporization chamber can be controlled independently in correspondence with the nature of the liquid substance.

Abstract: A stirring and aerating device for activated sludges, wherein a towerlike frame is formed by a carrier element (2, 3) receiving a drive device (1) and at least three support elements (4) extending from said carrier element, wherein an air inlet is provided for an aerating device (7) located in a plane beneath a stirring element (9) that is connected to the drive device (1) by the shaft (10). In order to increase service life of the device, the air is let in through a passage resembling a line that extends in a longitudinal direction in at least one of the support elements (4).

Abstract: A ventilation system for a tank which stores water to be supplied to a fuel cell, which includes: a ventilator for ventilating the tank; a gas discharge line to guide gas in the tank to outside; a separator for separating moisture and/or water from the gas from the tank; a water discharge line to guide the water separated by the separator to outside; and an air supply line connected to the water discharge line, which is to supply air for vaporizing water from the water discharge line.

Abstract: A mount assembly having a first carrier with a first insulator coupled to a first flange of the first carrier. The mount assembly also includes a second carrier and a second insulator coupled to a second flange of the second carrier. A first locking member, which is formed of a polymeric material, is connected to the first carrier. A second locking member, which is also formed of a polymeric material, is connected to the second carrier with the first locking member engaging the second locking member to retain the first carrier in telescoping relationship with the second carrier.

Abstract: Two station vise for manual or hydraulic operation with a quick-change stationary that can be carvable, hard or reversible. the stationary jaw having two precision through holes is placed on expanding pins, located on the top longitudinal rails of the vise body, that precisely position and tighten the stationary block in place. Two movable jaws connected by a tubular drive form an axially adjustable floating assembly. A manually turned tubular drive has an external threaded screw to move simultaneously the first jaw/nut and an internal thread that moves the second jaw/nut, on the opposite side of the stationary. Hydraulically parts are clamped at the two stations with a piston located in the second jaw/nut and connected axially with the first jaw/nut by the tubular drive. A setup-block located at the front jaw/nut keeps both jaws at proper position for loading and unloading of parts. The setup-block also allows for pre-clamping or retention of the part in the rear station before clamping.

Abstract: A sheet feeding device comprises a sheet feeding member having an outer layer thereof, a sheet loaded on a sheet loading member being depressed on a peripheral surface of the outer layer, the sheet feeding member delivering the sheet depressed to the peripheral surface, through rotation of the peripheral surface. An inclination member having a depression portion and an inclined surface, the depression portion depressing the sheet on the peripheral surface, and a leading edge of the sheet being brought in contact with the inclined surface. The outer layer of the sheet feeding member is formed of a cross-linked rubber material which has a JIS-A hardness in a range between 25 degrees and 40 degrees, a tearing strength measured with a JIS B-type specimen, which is 10 N/mm or more, and a viscoelastic characteristic expressed by a loss tangent, which is 0.045 or less.

Abstract: A game having at least two boards, each having a frame with a substantially flat surface, said board determinative of a playing level, an object piece, the frame having a playing surface with a predetermined entrance and exit, game pieces arranged to travel over the frame surface. The object piece and game pieces collectively should occupy less than the entire area of the frame surface wherein there remains an unoccupied space (such as half or equal to the area of the game piece). Pieces are allowed lateral movement within the frame where the object of the level is to permit the game piece to exit at the exit point to the next level of play. A puzzle strip may also be included. Other features could include magnetized surfaces, transparent sheets to secure the pieces. An embodiment of the game on a computer is also provided.

Abstract: A dart and dartboard set, which includes a dart, which is a plastic dart with a flat magnet at the front end, and a dartboard, includes a front fabric panel printed with a score, ring pattern, a back fabric panel, two induction circuit membranes separated by a flexible magnet panel and packed between the front fabric panel and the back fabric panel, and a control circuit board for counting and displaying the score.

Abstract: The present invention provides a ballistic testing recovery apparatus and method for allowing post impact analysis of pyrophoric projectile debris wherein the apparatus comprises a containment chamber having an interior volume filled with a solvent-soluble granulated material. The containment chamber is formed with an aperture in a side wall for receiving a launched projectile therethrough. The projectile impacts a target plate disposed in the containment box and projectile debris is thereafter ejected into the surrounding solvent-soluble granulated material. The solvent-soluble granulated material operates to capture and quench the projectile debris before devitrification and/or crystallization erodes the “as-ejected” characteristics of the pyrophoric projectile debris.

Abstract: A jet pipe assembly containing at least one joint provided with a seal assembly to isolate, substantially, the fluid flowing in the pipe from the fluid external to the pipe. The dynamic member of the seal assembly is provided with both radial and cylindrical sealing surfaces.

Abstract: A demountable drive mechanism for coupling to a drive shaft of an operating device, the drive mechanism being directly secured to the drive shaft to cause the drive shaft to rotate, the drive mechanism comprising a geared electric motor having an output for coupling to the drive shaft, the drive mechanism having a torque arm adapted to engage a reaction surface so that the electric motor can impart torque to the drive shaft, and a controller to control operation of the electric motor.

Abstract: A hydropneumatic suspension system for a vehicle with a level control, in particular for the front axle of a tractor, includes a first 2/2 directional control valve having a regulating-up function communicating with the pressurized oil pump and a second 2/2 directional control valve having a regulating-down function communicating with a reservoir.

Abstract: A ski attachment kit for a kick scooter having a scooter steering assembly that includes a front fork configured for attaching a front wheel, a scooter body that includes a stand-on area and a rear fork rearward of the stand-on area configured for attaching a rear wheel, and a coupling that couples the steering assembly and the scooter body. The kit includes a front ski assembly having a scooter steering assembly mount that receives and releasably retains the steering assembly while providing a clearance for an attached front wheel. The kit also includes a rear ski assembly having a scooter body mount that receives and releasably retains the scooter body while providing a clearance for an attached rear wheel.

Abstract: In accordance with one embodiment of the present invention there is provided a vehicle with a training device for use on a skateboard. The training device includes an assembly disposed about one of a plurality of axles of the skateboard. The assembly has a transfer gear horizontally moveably to a first position to engage a flywheel wheel to provide resistance to the skateboard and to charge the flywheel when a wheel corresponding to one of the plurality of axles spins, such that when the flywheel is charged the flywheel provides inertia to the wheel. The training device may also be designed to be entirely incorporated with a single wheel for use with in-line skate or scooters.

Abstract: A disposable sanitary sheath for a shopping cart handle featuring a sheet wrappable about the handle having a length and width so as to cover at least the portion of the handle coming into contact with a user's hands, an adhesive strip positioned about one side of a surface of the sheet for securing the sheet about the handle, a perforated pull-away strip disposed along the length of the sheet, and a pull tab accommodated on the pull-away strip. Other embodiments include disposable sanitary sheaths for shopping cart handles with a sheet wrappable about the handle wherein the sheet is made of one of the following materials: paper, polyethylene, rubber, polypropylene, vinyl, mylar, Teflon, polycarbonate, Kynar, Uvex, butyrate, F.E.P. (tetraflourethyleneperflourpropylene,) and polyester. The sheath may also be made up of two or more sheaths that are used in conjunction to cover one or more portions of a handle. Additionally, a sanitizing compound such as an antibacterial agent can be applied to the sheath.

Abstract: A portable transportation assembly 10 having a pair of wheels 40, 42 which may be selectively raised and lowered and which is adapted to transport a bathroom assembly 200 in an easy and efficient manner.

Abstract: A powered hand truck for assisting in the movement of objects. The powered hand truck includes an electric motor, a power source, a programable motor controller, and a transaxle, which are adaptable to existing hand trucks, or may be integrated into a new powered hand truck. The transaxle includes a differential allowing easy maneuvering of the hand truck. Power is provided by replaceable/rechargeable batteries. The motor controller controls the motor to provide consistent speed independent of load weight or incline, and further provides regenerative braking. The motor controller also includes diagnostics communicated through a display mounted to the hand truck.

Abstract: A pool table carriage for supporting a pool table at an elevated position above a horizontal support structure, and for transporting the pool table between locations without damaging the pool table. The pool table carriage comprises two support plate assemblies and a main frame interposed therebetween. Each support plate assembly selectively supports one of the legs of the pool table, when the pool table carriage is being deployed. Each support plate assembly further has four selectively extendable rotatable jackscrews, and two wheel assemblies each having wheels. The jackscrews are extendable in two opposite directions. Rotation of the jackscrew in one direction causes the jackscrew to retract upward, thereby allowing the wheels to contact the support structure, thereby allowing the pool table carriage to roll between different locations.

Abstract: The present invention provides a suspension tuning device for vehicles with struts. More specifically, the suspension tuning device generally comprises a pair of plates constructed to mount juxtaposed to the strut/spindle mounting flange of a standard MacPherson strut, each plate includes an inset sub-plate having an offset aperture which cooperates with one of the spindle attachment bolts to control wheel camber.

Abstract: A length adjustment system for a torque rod assembly includes a tubular rod attached to one joint assembly and a solid rod attached to another joint assembly. The solid rod extends into the tubular rod. An adjustment nut attached to the tubular rod threadingly receives the solid rod and rotation of the adjustment nut adjusts the length of the torque rod assembly. The length adjustment system can be incorporated into a straight torque rod assembly or into a V-configuration torque rod assembly.

Abstract: Arrangement for providing a steerable suspension to a vehicle wheel that includes a first bearing (1) and a second bearing (2) arranged at a supporting unit (3) in order to form a geometrical pivot axis (4) around which the vehicle wheel is journalled in bearings steerable in relation to the supporting unit. The supporting unit exhibits at least one supporting surface (8) and the first bearing exhibits an inner ring with an external. Radially directed surface (22) is arranged for abutting and resting against the supporting surface (8) in order to take up forces directed radially in relation to the geometrical pivot axis (4).

Abstract: A suspension structure for the front and rear wheels of an automobile, wherein the suspension structure of the front and rear wheels respectively is mounted with a first member traversably supporting an upper portion of a knuckle and a second member traversably supporting a lower portion of a knuckle, and the ratio of the length of the first member mounted at the front wheel relative to the length of the second member is designed to be shorter than the ratio of the length of the first member relative to the length of the second member, such that the automobile is tilted forward when the automobile rolls, thereby improving the rolling and turning/maneuvering stability of the automobile.

Abstract: A lower control arm for a motor vehicle suspension includes a first member in the form of an elongated hollow member and a second member attached to the first member. The second member has a solid cross section. The second member has a first end attached to the first member and a second end configured for connection to the motor vehicle body. The first member may have at least one opening extending transversely therethrough for connecting the first member to the motor vehicle suspension system.

Abstract: A slider assembly provides a connection between a vehicle body and a vehicle suspension. The slider assembly includes a frame and a locking mechanism attached to the frame. The locking mechanism s a locking pin that is connected to an extension spring, a pivot arm that is movable between a locked position and an unlocked position, and a compression spring that is connecting the pivot arm and the locking pin. When the pivot arm is in the locked position, the compression spring does not exert a bias on the locking pin and the extension spring exerts a bias on the locking pin so as to bias the locking pin into engagement with the vehicle body so as to secure together the vehicle body and the vehicle suspension.

Abstract: A retractable step assist for a vehicle comprises a step, an actuator, an optical fiber sensor, and a safety. The step is movable between a retracted position and a deployed position that is downward and outboard from the retracted position. The actuator is mechanically connected to the step to position the step. The optical fiber sensor has an output that varies when pressure is applied to the optical fiber sensor. The safety is triggered by this output from the optical fiber sensor. The safety is configured to terminate retraction of the step when the optical fiber sensor senses pressure from an object pinched by the step deck.

Abstract: A bicycle fork includes a pair of fork leg assemblies, each of the leg assemblies having an upper leg telescopingly engaged with a lower leg. A damping assembly is provided in at least one of the legs. The damping assembly includes an adjustable valve, sometimes referred to as a pressure-relief or blow-off valve. The adjustable valve is externally adjustable without tools. Furthermore, the adjustable valve and another fluid flow control valve may be adjusted independently of each other.

Abstract: A suspension system that includes a simplified lockout mechanism and an adjustable blow-off mechanism. The system includes a valve mechanism and a valve actuating assembly, a valve mechanism housing and a resilient member disposed between the valve mechanism and the valve mechanism housing. The valve mechanism is slidably mounted along the valve mechanism housing and it separates a first chamber from a second chamber. The valve actuating assembly operates the valve mechanism between open and closed positions. The resilient member is configured to be deformable by the valve mechanism as the valve mechanism is slidably displaced by an increasing pressure in the first fluid chamber. The sliding valve mechanism is configured to collide against the valve actuating assembly when a blow-off pressure is reached in the first fluid chamber switching the valve mechanism from the closed position to the open position.

Abstract: The invention provides an apparatus and method for providing a riser tube and a riser cap, which when operatively coupled, involve all fasteners providing the coupling to be only visible from an underside of the riser tube.

Abstract: Described is a foot peg with a roller for attaching with a cycle. The foot peg comprises a roller, a rigid housing, and a support member. The roller includes an axial length with a hole passing through the roller along the axial length. The rigid housing is formed to be attached with a cycle and cover a portion of the roller. When attached proximate the roller, the rigid housing covers a covered portion of the roller, leaving an uncovered portion of the roller exposed. The support member is formed to be attached with the rigid housing and extend through the hole of the roller, thereby attaching the roller proximate the housing. When the foot peg is attached with a cycle, a user may stand upon the rigid housing and/or use the uncovered portion of the roller to roll the cycle across an obstacle.

Abstract: The present invention relates to a retractable king pin assembly for a trailer operable between an extended position, for engagement with a truck or tractor fifth wheel, and a retracted position, wherein the king pin is retracted to prevent engagement by a fifth wheel to permit the trailer to be left unattended without the threat of being stolen. The king pin security device includes a base member having an aperture, a king pin disposed in the base member aperture, and an actuator operatively connected to the king pin. The actuator either rotates or slides the king pin to move it in an axial direction between the extended and retracted positions. The actuator can include an electric motor, a solenoid or a hydraulic or pneumatic cylinder.

Abstract: A multi-position track width sensor for agricultural sprayers wherein a piston rod position sensor is connected to each of the adjustable axle members of the front and rear axle assemblies of the sprayer. A display panel is mounted in the cab of the sprayer and includes LEDs which indicate various positions of the piston rods with respect to the respective cylinder.

Abstract: A collapsible stroller having a collapsible chair having a seat portion, a back portion, and a pair of arms of foldable material such as textile cloth. The stroller has a collapsible frame having folding legs, folding arm supports, and rear uprights supporting the seat portion, the back portion and the pair of arms. The rear uprights extend beyond the seat portion and have upward open ends receiving an inverted “U”-shaped handle which is adjustable in height. The legs form four chair leg bases having wheeled castors extending downward from each base. The chair collapses radially inward so as to form a generally cylindrical configuration. The handle has a hinge at the upper center for folding. The collapsed chair portion with wheels is fitted into a zippered duffle-like bag having back loops for storage and carrying on the back of an adult. The folded handle also fits into the bag.

Abstract: An occupant protection device for a vehicle is provided in which a main airbag including a left airbag section and a right airbag section surely inflates into a predetermined position. A main airbag includes a right airbag section which inflates on the right side ahead of an occupant and a left airbag section inflating on the left side ahead of the occupant. In one form, the occupant protection device further includes a ceiling airbag in a position substantially vertically above the lateral center of a passenger seat. The ceiling airbag inflates so as to project downward from a ceiling trim to be fitted in a space between the upper surfaces of the right airbag section and the left airbag section of the inflated main airbag to guide the main airbag to inflate surely into a predetermined position.

Abstract: Apparatus (10) for helping to protect an occupant of a vehicle includes an inflatable vehicle occupant protection device (14) inflatable between the vehicle side structure (16) and a vehicle occupant. The device (14) defines an inflatable volume (58) that includes a forward portion (64) and a rearward portion (66). An inflation fluid source (24) is in fluid communication with a fill tube (22) and provides helium inflation fluid for inflating the device (14). The fill tube (22) includes outlet apertures (100) that direct the inflation fluid into the inflatable volume to inflate the device (14) initially to a first pressure and maintain the device inflated above a second pressure for a predetermined time. The inflation fluid directed into the inflatable volume (58) has a temperature and a pressure that are generally the same in the forward and rearward portions (64 and 66) during initial inflation of the device.

Abstract: A curtain airbag includes a curtain airbag body folded to have a long substantially elliptic-cylindrical sectional shape and a cover covering the curtain airbag body. On a side surface of the cover, openings are formed at intervals in the longitudinal direction of a folded formation of the curtain airbag body. Through the openings, the curtain airbag body can be visually observed from outside the cover.

Abstract: An airbag is provided which is folded with a duct part and an expansion part, the duct part having an inlet for allowing fluid communication throughout the duct part, the expansion part communicating with the duct part, wherein the airbag comprises an aggregative part obtained by aggregating a downward portion of the airbag, and a plurality of arms obtained by folding an upward portion of the airbag and being in fluid communication along the length direction of the airbag. The arms cover the aggregative part on the back thereof with respect to the expansion direction of the airbag. Thus, even having greater length from one end to another end, the airbag can deploy smoothly with less time difference between the front and the back in the length direction.

Abstract: A head-protecting airbag according to the present invention is normally folded and housed in an upper edge of windows inside a vehicle, and deployable downward from the upper edge of windows upon inflow of inflation gas to cover the vehicle's inner side of the windows. The airbag internally includes a tether joined to the vehicle's inner side wall and the vehicle's outer side wall for regulating the clearance between the inner side wall and the outer side wall as the airbag is completely inflated. The tether is disposed along the front-rear direction of the vehicle. A joint portion of the tether to the vehicle's inner side wall is located at lower level than a joint portion of the tether to the vehicle's outer side wall as viewed in a vertical section taken along the vehicle's transverse direction. The head-protecting airbag of the present invention is able to expand along the windows.

Abstract: A cross beam assembly extends between side frame members of a vehicle and includes a beam having a hollow interior. The beam defines an opening formed therein. The assembly further includes an air bag inflator assembly having a source of pressurized gas for expelling gas to inflate an air bag. The inflator assembly is disposed within the hollow interior of the beam such that activation of the inflator assembly expels gas through said opening.

Abstract: An air bag puncture device extends from the torso of a vehicle occupant and has a pointed outer end. Upon inflation of an air bag against the torso of the occupant, the device punctures the air bag to soften the outer surface of the air bag and thereby prevent injury to the occupant. The puncture device is mounted on a resilient clip for removable mounting to the shoulder harness of a vehicle seat belt system and comprises a cylindrical cutting device having a serrated outer end opposite the resilient clip for puncturing the inflating air bag. A spring-loaded hollow cylindrical collar which normally shields the serrated outer end of the cutting device is pushed out of the way by the inflating air bag, allowing the serrated outer end of the cutting device to puncture the bag in controlled fashion.

Abstract: A vehicle occupant restraint system of the present invention has: a seat belt restraint device (13) including a shoulder belt (11) which restrains the body of a vehicle occupant (C) diagonally from one of the shoulders (Cs) to the chest (Cc), and a lap belt (12) which restrains the waist (Cw) of the vehicle occupant (C); an upper air bag (30) supported by an upper support point (32) provided on the shoulder belt (11); a lower air bag (31) supported by a lower support point (33) provided on the lap belt (12) and coming into contact with the upper air bag (30) in a vertical direction when being inflated and extended; and an air bag movement inhibiting structure (H1–H9).

Abstract: A separation module is provided having a housing, a filter within the housing and at least one outlet and one inlet. The outlet and inlet are positioned to mate with fittings of a pump housing. A stationary receptor positioned between the pump housing and the separation module has a pivot line and two shelves on its outer surface which permit fitting the separation module in a stationary receptor adjacent the pump housing.

Abstract: A connector for a flexible pipe comprises a connector body having an end portion for coupling to a flexible pipe. The end portion includes a frusto-conical portion and an adjacent cylindrical portion. The frusto-conical portion has its widest portion adjacent the cylindrical portion and has a diameter greater than the diameter of the cylindrical portion and forms a radially extending substantially transverse shoulder with the cylindrical portion to force the pipe to form a bulge around the shoulder. The frusto-conical portion has its narrowest portion with a diameter slightly less than the inside diameter of the pipe to facilitate insertion into the pipe. A ring has a cylindrical inner surface with an inside diameter substantially equal to the outside diameter of the pipe. The ring is positioned to overlie the shoulder thereby to compress the bulge against the shoulder and seal the pipe to the connector body.

Abstract: An actuator assembly includes an actuator drivingly connected to a gear wheel. The gear wheel includes an abutment secured rotationally fast having a camming surface and operable to drive an output member. The actuator assembly is operable to apply a force in a first direction to drive the output member in the first direction from a rest condition to an actuated condition and is operable to apply a force in a second direction to drive the output member in the second direction from the actuated condition to the rest condition. Movement of the output member in the second direction stores energy in the energy storage device, and movement of the output member in the first direction is assisted by the energy storage device. When the actuator assembly is in the rest condition, a detent engages the energy storage device to releasably retain the energy storage device in a rest position.

Abstract: A vehicle door handle device includes a base case secured to a door, and an L-shaped handle lever rotatably mounted on the base case by a supporting shaft and connected to a latch device of the door by way of a connecting member. The handle lever includes an operation arm extending in a first direction and receiving a manual operational force and a coupling arm extending in a second direction substantially orthogonal to the first direction to be connected to the connecting member. The operation arm is made of a synthetic resin and has a small specific gravity, and the coupling arm is made of a metal and has a great specific gravity. The base portions of the operation arm and the coupling arm are undetachably coupled with each other by the supporting shaft.

Abstract: A bumper for a vehicle comprises a hollow tubular beam, and has two side rail mounting portions and a front impact portion disposed between and formed continuously with the side rail mounting portions. The front impact portion includes an initial impact region and two additional deforming regions, with the initial impact region being disposed between the additional deforming regions. The initial impact region has top and bottom surfaces that are generally flat and the additional deforming regions each have top and bottom surfaces that are generally convex.

Abstract: A bumper system for an automobile vehicle includes, in an exemplary embodiment, a beam configured to attach to the vehicle, and an energy absorber coupled to the beam. The energy absorber includes a body, an upper crushable member extending from the body, and a lower crushable member extending from the body and spaced apart from the upper crushable member. The upper and lower crushable members each include an upper transverse wall, a lower transverse wall, and an outer wall. Each upper transverse wall and each lower transverse wall includes alternating solid portions and open portions. Each solid and open portion extends from the body to the outer wall of a crushable member. The solid portions of the lower transverse wall of the upper crushable member are aligned with the open portions of the upper transverse wall of the lower crushable member.

Abstract: A vehicle bumper system includes a beam and a thermoformed energy absorber positioned on a face of the beam. The thermoformed energy absorber has a plurality of elongated crush boxes thermoformed from a base flange. Crush boxes near a center of the beam are up to about three inches deep, and as a result have side walls that are stretched when thermoformed, while crush boxes near ends of the beam are much shorter and hence not as thin. As a result, the center area has a softer impact intended to reduce pedestrian injury during impact.

Abstract: What is disclosed is a device directed to protecting surfaces from damage due to low-impact forces. The device is fabricated from resilient plastic material that will absorb such forces and return to its original shape without breaking or permanent deformation. The device disclosed is semi-circular in cross-section and is adhered to the surface to be protected by EZ-ON means of double-sided adhesive tape or alternatively by flexing onto a bracket.

Abstract: An insertion tool of the present invention includes a housing shaped to accommodate a generated light source and a power source. The generated light source is electrically connected to the power source and projects a beam of light along an axis toward a distal end of the housing. The insertion tool also includes a lens holder attached to the distal end of the housing. The lens holder has an opening that allows the beam of light to pass through the housing and lens holder. The beam of light is visible to a wearer when the lens holder is aligned with the wearer's eye. The invention uses the strategy of focusing on a target that can be clearly seen by the user to insert a lens that otherwise can't be seen by the user.

Abstract: A gripping device for handling heavy, dense articles made from organic materials formed into bricks, fired at high temperatures in kilns and for movement of the bricks from a storage area to a location for installation in a driveway, roadway, or the like to endure the wear and tear of pedestrian and vehicular traffic that moves thereover. The gripping device includes a base member, an associated telescopic member and a handle operable to clasp together a vertical row of stacked bricks into a secure assembly and thereafter maintain the assembly in a locked position as a worker carries the assembly from a storage area to a place of installation. The device includes a release mechanism operable to quickly disengage the stacked bricks at any desired location on a work site.