Abstract: The portable brake of the present invention comprises a top bracket, a bottom bracket, a leg, a handle, a toggle plate, and a foot. The top bracket of the portable brake has a back plate, side plates, a bottom plate, a toggle joint, a rung hook, and a leg sheath. The bottom bracket comprises a back plate, side plates, a bottom plate, a rung hook, and a leg sheath. The top and bottom brackets secure a leg, which passes through the leg sheaths of the brackets and leg apertures in the bottom plates of the brackets. A toggle plate is connected at one end to the top of the leg, and is connected at the other end to a pair of hinge plates. The hinge plates are, in turn, connected to a handle and to the toggle joint of the top bracket.

Abstract: A pair of wheel chocks (10, 12), configured for placement under a resting tandem wheel (W) to maintain the wheel (W) at rest and for alternatively supporting a trailer tongue wheel (Wj), are disclosed. The wheel chock (10) broadly includes a body (14) that defines an internal chamber (16) in communication with an open face (18) presented by the body (14). Wheel supporting surface (26, 28) each include a arcuate leading edge (60, 62) to complement the contour of the wheel (W) and enable the chock (10) to be easily placed under the wheel (W) in an optimal position. A top surface (24) of the body (14) including an arcuate depression (32) operable to receive the trailer tongue wheel (Wj). A substantially hollow tapered supporting leg (46) projects from arcuate depression (32) for support. The top surface additionally includes an open rim (36) which can at least partially receive a supporting leg of another similar configured wheel chock (12) to enable nesting of the chocks (10, 12).

Abstract: A vehicle chocking system includes a control panel positionable within a vehicle for remotely operating the system. The system further includes a housing and a power source for supplying power to the system. The housing includes a motor disposed therein and electrically connected to the control panel. The system further includes a chock arm pivotally connected to the motor and a tire chock connected to the chock arm and engageable with a vehicle tire for preventing same from rotating in a predetermined direction. The chock arm includes an elongated pin connected thereto and extending outwardly therefrom. The tire chock has a slot formed therein for receiving the pin so that the tire chock can be engaged with, and disengaged from, a vehicle tire. The system further includes a plurality of collars securable to each other and engageable about a vehicle axle for assisting to maintain same at a non-rotating position.

Abstract: A vehicle incorporating a power unit having a front portion, a rear portion and a power source. A drive wheel, disposed in the front of the power unit, is connected to the power source. A brake pad is connected to the power unit beneath the power source and a handle bar extends back from the power unit. The vehicle includes a trailer unit, disposed behind the power unit, having two trailer wheels, disposed on opposite sides of the trailer unit. A connecting joint, connecting the power unit to the trailer unit, allows the power unit and trailer unit to move with respect to one another about the horizontal pitch axis and/or vertical yaw axis.

Abstract: A shopping cart braking device, for use in conjunction with an existing shopping cart, for selectively immobilizing the shopping cart upon a support surface. The braking device comprises a substantially U-shaped tube having a first end, a second end, and a horizontal centrally located connecting portion extending concentrically through a brake pad. The first and second ends of the braking device are hingeably attached to the front crossbar of the shopping cart, in proximity to the front wheels of the shopping cart. When the braking device is in the unbraked position, the braking device has been raised by a foot of the user, and the movement of the shopping cart is unimpeded. When the braking device is in the braked position, the braking device has been lowered by the foot of the user, the brake pad is wedged under the front wheels of the shopping cart, and the shopping cart is immobilized.

Abstract: The portable brake of the present invention comprises a top bracket, a bottom bracket, a leg, a handle, a toggle plate, and a foot. The top bracket of the portable brake has a back plate, side plates, a bottom plate, a toggle joint, a rung hook, and a leg sheath. The bottom bracket comprises a back plate, side plates, a bottom plate, a rung hook, and a leg sheath. The top and bottom brackets secure a leg, which passes through the leg sheaths of the brackets and leg apertures in the bottom plates of the brackets. A toggle plate is connected at one end to the top of the leg, and is connected at the other end to a pair of hinge plates. The hinge plates are, in turn, connected to a handle and to the toggle joint of the top bracket.

Abstract: An automatically engageable and releasable brake apparatus for a wheelchair, including a connection mechanism adapted to be attached to a portion of the frame of the wheelchair proximate a rear wheel of the wheelchair, a seat actuation member extending from a portion of the connection mechanism and adapted to be positioned substantially beneath the seat of the wheelchair, a shaft member positioned to extend substantially downwardly from a portion of the connection mechanism and a friction member positioned proximate the other end of the shaft member and adapted to contact the ground. Occupational ingress activates the seat actuation member to move from a first position to a second position, which causes the shaft member to rotate in concert therewith such that the friction member also moves from a first position in substantial contact with the ground to a second position spaced a distance above the ground.

Abstract: A brake assembly for applying a braking force to one or more wheels of a wheel supported device, such as an inline skate. The brake assembly has a rotating brake member held by one or more wheels, which is preferably a disk shaped brake, partially embedded on one or both sides of a wheel. A fixed brake member is held so that it does not turn with respect to the wheel frame. The fixed brake member has a friction surface positioned adjacent the braking surface of the rotating member. The fixed brake member can be bent so that its friction surface contacts the rotating brake member to apply a braking force to the rotation of the wheel. Preferably, the fixed brake member is bent by a cam surface and the cam surface is contacted by a movable brake arm held by the frame.

Abstract: A brake and anti-tipping system for a conventional wheelchair is disclosed. The system engages the ground to prevent rearward movement of a wheelchair and is disengaged when the wheelchair is occupied. The braking and anti-tipping system comprises a pivotable member which is pivotably supported between portions of a wheelchair frame assembly, a pair of arms each of which is fastened to the pivotable member, an abutment member which is supported on upper ends of arms, and a biasing member which is secured between the wheelchair frame assembly and wheelchair brake system.

Abstract: A shoe-plate, adapted to hold a boot of a user, is pivotally mounted on the middle portion of an elongated frame. The frame has one or two rear wheels and a fork pivoted on its front portion around a vertical axis, and supporting a front wheel. Steering system connect the shoe-plate with the fork so that a pivotal movement of the shoe-plate causes a pivotal movement of the fork. The shoe-plate may be pivoted around a vertical or a longitudinal, horizontal axis. In the latter case, the skate also comprises adaptable restraining system connecting the trunk of the user to the frame.

Abstract: Disclosed herein is an automatically operated antiskid apparatus for automobile tires. The automatically operated antiskid apparatus includes an operating signal generating unit for transmitting an operating signal generated by a bar operating switch to positions in the vicinity of automotive wheels. A signal transmitting unit receives the operating signal from the operating signal generating unit and transmits the operating signal from a stationary automobile body to rotating wheel rims. An antiskid bar and antiskid bar operating unit receives the operating signal from the signal transmitting unit and operates antiskid bars embedded in tread portions of the tires.

Abstract: A braking device for skates having a shoe composed of a quarter which is articulated to a shell which is associated with a supporting frame for two or more wheels. The device has a traction element which operatively connects the quarter to lever system which actuates the movement of a braking element which is slidingly and freely rotatably associated with the frame in a region located in the interspace between two adjacent wheels. The motion occurs in contrast with a spring.

Abstract: A braking device, particularly usable for skates comprising a shoe composed of a quarter which is articulated to a shell associated with a supporting frame for two or more wheels, and comprising at least one traction element which is connected at one end to a tab which protrudes from a braking element which is located in a region which is adjacent to the last wheel and oscillates in contrast with at least one flexible element. In the braking device, the traction element is associated, at its other end, with two levers which operatively interact with the quarter and allow to take up the traction element when the quarter oscillates backward so as to place the braking element in contact with a braking surface.

Abstract: A brake and anti-tipping system for a conventional wheelchair is disclosed. The system engages the ground to prevent rearward movement of a wheelchair and is disengaged when the wheelchair is occupied. The braking and anti-tipping system comprises a pivotable member which is pivotably supported between portions of a wheelchair frame assembly, a pair of arms each of which is fastened to the pivotable member, an abutment member which is supported on upper ends of arms, and a biasing member which is secured between the wheelchair frame assembly and wheelchair brake system.

Abstract: A wheelchair for use in care facilities includes a seat lift mechanism and a chair tilt mechanism both of which are actuated by a single lever. Operation of the lever elevates the rear of the seat and raises the rear of the wheelchair thereby moving the wheelchair occupant toward a standing position and reduces the lifting effort of the attendant in assisting the debilitated patient to move out of the wheelchair.

Abstract: An emergency braking system employing viscous or adhesive substances is disclosed for use with a vehicle operated on a road surface. The braking system produces at the rear wheels of a moving vehicle a molten substance that will effectively increase the coefficient of friction at the interface of tire and road. A coolant may also be supplied to cool the molten substance and further increase the coefficient of friction.

Abstract: At least one walking member is detachably connectable to an in-line skate to enable the wearer of the in-line skate to connect the walking member to the in-line skate, thus enabling the wearer to walk while wearing the in-line skate. Two walking members can be provided on alternative sides of the in-line skate wheels to provide a more stable platform for the wearer of the in-line skate. Since the two walking members are removable, the walking members do not detract from the aerodynamic and functional performance of the in-line skate, and can be manufactured together with the skate or, alternatively, can be added to the skate after purchase.

Abstract: A ski binding comprises a slide (2) fixed on the ski and a sliding base (4). The binding is equipped with a ski brake which can be demounted and remounted. The brake has rigid retention means in the form of two hooks (23, 24). The two hooks engage, by virtue of a longitudinal (L) then transverse (T) engagement movement, two projections (33, 34) located on a reinforcement frame (31) fastened to the base (4).

Abstract: A braking device, particularly usable for skates comprising a shoe composed of a quarter which is articulated to a shell associated with a supporting frame for two or more wheels, and comprising at least one traction element which is connected at one end to a tab which protrudes from a braking element which is located in a region which is adjacent to the last wheel and oscillates in contrast with at least one flexible element. In the braking device, the traction element is associated, at its other end, with two levers which operatively interact with the quarter and allow to take up the traction element when the quarter oscillates backward so as to place the braking element in contact with a braking surface.

Abstract: A walker sliding structure comprises a base, a plurality of rotational wheels mounted in the underside of the front end of the base, two directional wheels mounted at the rear end of the base, two elastic tension devices disposed between the directional wheels and the fastening columns, and a braking device disposed in a receiving cell which is located between the two directional wheels. The motion of the directional wheels is guided by the elastic tension devices in conjunction with the braking device.

Abstract: A ground-engaging emergency brake and anti-jackknife system for a vehicle comprises a brake skid which has at least one elongated substantially planar rigid base member, and upper and lower planar surfaces. A replaceable traction member is removably affixed to the base member lower planar surface. A linkage mechanism positions the brake skid in a ground-engaging deployed plane which is parallel to the plane of the vehicle, and when retracted, in a position adjacent to the underside of the vehicle. An actuating mechanism actuates the brake skid between the deployed and retracted positions. The brake skid is centered axially with respect to the longitudinal axis of the vehicle between the rear wheels of the vehicle. The actuating mechanism and linkage mechanism are effective to place a substantial amount of the vehicle weight on the brake skid when the brake skid is in its deployed position.

Abstract: An improved roll cart that allows an individual to move and transport a large roll of paper. The roll cart includes a rolling frame that supports a pivoting carriage for holding and stabilizing a large roll of paper. The pivoting carriage is pivotally attached to a frame so that the carriage can pivot within the frame to allow a roll of paper to be rolled on to or off of the carriage with minimal effort and without lifting or damaging the roll of paper. The roll cart also includes a unique combination braking/locking mechanism and can be securely maintained stationary with respect to a surface by engaging the brake portion of the mechanism. When the brake is engaged, rolling of the device is impeded and the carriage tilts to facilitate loading and unloading of a roll by rolling the roll on to or off of the carriage. When the brake is disengaged, the device is free to roll but the carriage is restricted from tilting by a locking mechanism.

Abstract: A scooter has a braking structure comprising a support frame, an application portion, and two brake shoes. The support frame has two support arms which are located at two sides of the rear wheel of the scooter. The brake shoes are fastened with the support arms. As the application portion is exerted on by an external force, the support frame is forced to move downward, thereby causing the brake shoes to come in contact with the rear wheel.

Abstract: A braking assembly for use with caster wheels of vehicles such as carts includes a main body and a braking member movable relative to the main body, the braking member including an arcuate first portion which extends around a portion of the periphery of the caster wheel and a second plate portion disposed between the first portion and the main body, the second plate portion rotating so as to move the arcuate first portion to between the caster wheel and the supporting surface on which it moves when the braking member is moved from an inoperative position to an operative position, the second plate portion including a raised surface abutted by a trigger finger to retain the braking member in an inoperative position, the trigger finger being movable with passage of the braking assembly over a magnetic area in the supporting surface to release the second plate portion.

Abstract: A mobile base for allowing machinery having an effective footprint within a predetermined range of effective footprints to be moved along and/or fixed relative to a floor surface. The base comprises a frame assembly having a width dimension and a depth dimension, first, second, third, and fourth wheels attached to the frame assembly such that the frame assembly may be moved, and a locking system. The locking system comprises a lock housing, a lock member, a drive member, and a magnetic portion. The lock housing defines a lock chamber. The lock member is slideably mounted within the lock chamber and moves between an unlocked position and a locked position in which the lock member frictionally engages the floor surface. Axial rotation of the drive member causes the drive member to move towards or away from the floor surface. The drive member is located above the lock member and is capable of rotating with respect to the lock member.

Abstract: A positioning foot member includes a mounting base fixedly fastened to the bottom side of the wheeled bottom rack of a baby walker, and a holder base coupled to the mounting base and supported on a spring member and alternatively set between a received position for enabling the baby walker to be moved on the floor freely and an extended position to support the baby walker on the floor and to stop the baby walker from movement.

Abstract: A New and improved stabilizer for use in conjunction with a wheelchair is disclosed. The device incorporates a multi part lever mechanism that is activated when no patient is seated on the seat area of the wheelchair, when the patient is preparing (or being assisted) to sit on the seat area and the patients weight is not fully pressing on the seat area, or the patient is getting up (or being assisted) from the seat area of the wheelchair and the patients weight pushing on the seat area is being reduced. The lever mechanism is deactivated when the seat area of the wheelchair is depressed by the patients weight. When the lever mechanism is activated a plurality of posts with tips that include friction means are pressed against the ground preventing the wheelchair from freely rolling in a backward direction.

Abstract: A braking device for a motorized snow vehicle having a front steering assembly with at least one steering column secured to at least one ski, and articulated in rotation around a spindle. The motorized snow vehicle further has a rear support assembly, equipped with at least one driving caterpillar track. The front steering assembly comprises at least one mobile braking element operated, by control means, between a retracted rest position inside a cavity of the ski, and an active braking position protruding out under the general sliding surface of the ski in a middle zone situated appreciably at the level of the articulation spindle between the steering column and the ski.

Abstract: The present inline skates have a braking system allowing the brakes to be used simultaneously. One embodiment of the invention comprises a frame with a rear wheel carrier and a braking wheel carrier rotatingly mounted on the frame through a first cylinder and an axle and interlocking through a notch on a braking wheel carrier and a fourth cylinder on a first rear wheel carrier while the first rear wheel and a braking wheel are rotatingly mounted on their respective carriers. Another mobile rear wheel is handled by its carrier rotatingly mounted on the second cylinder affixed to the frame. The braking force is regulated through a screw and a pair of friction cylinders. Carrier rotation limiting cylinders are affixed to the frame. The front wheels are standard fixed wheels rotatingly mounted on the frame.

Abstract: A skate brake and methods for multiple braking effects for in-line skates, roller skates and like devices is disclosed. The skate brake comprises of a wheel rotatively mounted to an axle being occupied between runners and located within slots of a chassis with said axle being held against said slots by springs and said axle is a linkage to which is affixed a friction surface used for contacting the skating surface with a segment of said linkage bearing upon a ramp which in turn changes the direction of motion of said axle as it translates through said slots against said springs under the effect of a skater's weight and momentum, forcing said friction surface into contact with said skating surface.

Abstract: A trolley has rear support wheels (20) each having a toggle (52) which, when in a cocked position, hold the wheels in an operative position in which they are able to support the trolley. When the trolley ceases to bear down on the rear wheels, for example when an attempt is made to lift the trolley over a barrier (26) along the periphery of a defined area from which the trolley is not supposed to be removed, the toggle is triggered to move to an un-cocked position. When the toggle is in the un-cocked position the support wheels collapse and are no longer able to support the trolley. This will discourage removal of the trolley from the defined area.

Abstract: An anti ice skidding apparatus for providing resistance to lateral forces acting on a vehicle. The anti ice skidding apparatus includes a disc chassis, a device for engaging a roadway pivotally connected to the disc chassis and a device for securing the disc chassis to an underside of the vehicle. A device is connected to the securing device for pivoting the securing device between a first position maintaining the disc chassis and engaging device at a distance above the roadway and a second position placing the engaging device in engagement with the roadway. The engaging device is able to engage the roadway and provide additional resistance to lateral forces acting on the vehicle when in the second position. The engaging device may be one of a plurality of rollers or a blade which will engage with icy surfaces on the roadway and cut a groove in the icy surface to provide additional resistance to the lateral forces acting on the vehicle.

Abstract: Inline skates with a braking system allowing the brakes to be used simultaneously. One embodiment of the invention comprises a frame 1 with a rear wheel carrier and a braking wheel carrier 6 rotatingly mounted on frame 1 through a first cylinder 29 and an axle 11 and interlocking through a notch 8 on a braking wheel carrier 6 and a fourth cylinder 9 on a first rear wheel carrier 7 while first rear wheel 4 and a braking wheel 5 are rotatingly mounted on their respective carriers 7, 6. Another mobile rear wheel 26 is handled by its carrier 30 rotatingly mounted on second cylinder 28 affixed to a frame 1. Breaking force is regulated through a screw 23 and a pair of friction cylinders 16. Carrier rotation limiting cylinders 10,17,31 are affixed to a frame 1. The front wheels 2, 3 are standard fixed wheels rotatingly mounted on a frame 1.

Abstract: A device for regenerating a brake, particularly for skates having a supporting frame for two or more wheels and a support for a pad which has an initially intact surface which interacts with the ground during braking. A sensor for detecting the degree of wear of the surface of the pad is associated with the support and is connected to a sprocket suitable to modify the initial position of the pad. Advantageously, this modification can be achieved by restoring an intact condition for the surface that interacts with the ground. The device allows to achieve optimum braking without requiring any intervention on the part of the user for pad replacement.

Abstract: The present invention relates to a braking device for use with a vehicle which moves along a surface, the braking device being operated by an area of magnetic material, and is particularly, but not exclusively, for use with a wheeled trolley or cart to deter its removal from a designated area. The braking device comprises a first portion for mounting on the vehicle, a braking portion movable relative to the first portion from an inoperative position to an operative braking position in braking contact with the surface, and retaining portion for retaining the braking portion in its inoperative position. The retaining portion comprises a blocking portion and trigger portion, the trigger portion being movable between a primed position and a triggered position by passage in close proximity to the magnetic material, and in the primed position, holding the blocking portion in a blocking position preventing movement of the braking portion.

Abstract: A safety system for dissipating the forces involved in a vehicle collision comprises two large friction platforms beneath the vehicle unibody or floor pan, with each platform having an actuator between the platform and the overlying vehicle structure and connected to the platform by a series of struts or arms. The actuators are preferably automated and pyrotechnically actuated to drive the struts outwardly and downwardly, thereby driving the platforms downwardly beneath the vehicle and against the underlying surface to lift the vehicle slightly above the underlying surface. The vehicle may be surrounded by a plurality of bumper-like impact absorbing contact structures, with each structure also linked to a corresponding friction platform. The outer portion of each contact structure telescopes into the inner portion, and drives a series of struts connected to the corresponding friction platform.

Abstract: The present invention relates to a speed control pole to be used by a skater. The speed control pole has an elongated shaft with an upper end and a lower end, a roller/wheel mounted to the lower end of the shaft, a braking mechanism for contacting the roller, and a hand grip system for actuating the braking mechanism. The braking mechanism includes a brake pad which is caused to be moved inwardly against the roller and downwardly into contact with a skating surface when actuated. The brake pad includes an arcuately shaped surface for contacting the roller and a lower surface formed by two angled substantially planar surfaces. During a braking mode of operation, the arcuately shaped surface is brought into contact with the roller. During a pushing off mode of operation, the arcuately shaped surface remains in contact with the roller and the substantially planar surfaces are sequentially brought into contact with the skating surface.

Abstract: A roller skate includes a wheeled frame including aligned wheels, a shoe supported on the wheeled frame and including a cuff that can be flexed and moved relative to the wheeled frame, and a braking mechanism. The braking mechanism includes an extension frame movably supported on the wheeled frame, and further includes a braking member supported on the extension frame for movement between a ground-engaging position and a ground-clearing position, and still further includes a link operably connecting the extension frame to the cuff, so that a skater can flex the cuff to angularly move the extension frame to carry the braking member into contact with a ground surface.

Abstract: A security apparatus for a shopping cart or other wheeled vehicle having a plurality of casters has a braking member rotatably mounted on a wheel axle of one of the wheels. The braking member is movable between a raised position spaced above the ground surface and an operative position contacting the ground surface, and has a portion projecting radially outwardly from the outer peripheral rim of the wheel at least in the operative position so as to separate the wheel from the ground and impede movement of the vehicle. A locking device releasably locks the braking member in the raised position, and is released by a trigger device in response to a signal from a signal system extending around an area in which carts are to be retained, at which point the braking member rotates into the operative position, stopping normal movement of the cart.

Abstract: A roller skate swing brake includes a support pivotably attached to the axle of the rear wheel of a skate and containing a brake pad. The support is spring activated to keep the brake pad from contacting the skating surface in the open position in front of the rear wheel, When braking is desired, the skater raises the front wheel of the skate, which action brings a roller, contained by a pivot member located back of the rear wheel, into contact with the skating surface. By linkage, the brake pad is swung down in front of the rear wheel where the movement of the skate and further pivoting of the pivot member will bring the brake pad to its full braking position underneath the rear wheel of the skate. At this point, the skater lowers the front wheel onto the skating surface so as to brake the skate while maintaining the wheels of both skates level on the skating surface. The braking force may be regulated by the shift of the skater's weight over the skate.

Abstract: The invention relates to a braking device for wheeled chairs, the device (1) including at least two brake legs (2, 3) which can be lowered to, or raised from a substructure while being positionally movement-oriented with the aid of tubular members (4, 5) fixed to the chair frame, these vertical leg movements being actuable via urging structure (6, 7) situated above the respective brake leg for performing a turning movement with the aid of a shaft (8), to which they are fixed, this movement resulting in one direction in arresting the chair moving the legs (2, 3) downwards into their braking position, and in the opposite direction in upward movement of the legs into their inactive position.

Abstract: A golf club cart includes two rear wheels, an axle combined with the rear wheels, a horizontal U-shaped frame combined with the axle at a rear end and with a bottom rod at a front end, an inverted U-shaped rod pivotally connected with the frame at a lower end and with a handle and a support rod at an upper end, a third wheel provided under a front end of the frame, and a shock-absorbing device consisting of a torque provided between the frame and the shaft of the third wheel. Then the third wheel is pressed by the torque spring to stand on the ground, with the frame raised up a little and let the bottom rod not touching the ground. The torque spring can absorb or reduce bumping and vibration caused by bumping grounds when the golf club cart is pushed along. Thus, the golf club cart has a simple structure, saving manual force and convenient to handle.

Abstract: An accessory is provided for supporting a four-wheeled wheel-chair in a stable position in which it is tilted backwards and thus enables a disabled user to assume a relaxing recumbent posture. The accessory having a swing leg (3) that swings freely in the vertical plane of symmetry passing through the longitudinal axis of the wheelchair about a perpendicular and horizontal pivot rod (4) substantially located at the top of the back rest (9) between the two side frame posts that support the back rest (9), via rapid or permanent fastening elements (5, 6, 7, 8). The lower portion of the swing leg (3) advantageously has an adjustable length and is provided with a stabilizer foot (10).

Abstract: A locking assembly for a wheeled transportation cart, comprising an adjustment member in rotatable engagement with the frame of the wheeled cart. The adjustment member is selectively adjustable between a locked position thereby preventing rolling movement of the wheeled cart, and an unlocked position thereby allowing rolling movement of the wheeled cart. The adjustment member contains a first knee formed by a first bent section in the adjustment member which is engaged between a first locking element and a first locking channel, and a second knee formed by a second bent section in the adjustment member which is engaged between a second locking element and a second locking channel. As the adjustment member rotates between the locked and the unlocked positions, the adjustment member forces the first and second locking elements downward toward a support surface and engages a first and second locking assembly spring means to urge the first and second locking elements into contact with the support surface.

Abstract: An adjustable mobile base that accommodates machines of different effective footprints and allows them to be selectively moved from place-to-place or fixed at a given location. The mobile base assembly comprises a frame assembly comprised of corner members and side members. The side members are telescopically received within the corner members such that a width dimension and depth dimension of the base assembly can be changed to accommodate machines having different effective footprints. A lock system may be provided which employs one or more lock assemblies. Each lock assembly comprises a lock member that is slidably received within a lock housing and a drive member which is threadably received within the lock housing. Rotating the drive member in one direction elevates one or more wheels of the base assembly and thus frictionally engages the floor surface and prevents movement of the machine on the base assembly.

Abstract: A creeper (10) including a movable main frame (12) and a pad assembly (40) that is longitudinally movable relative to the frame. Pad assembly (40) includes a set of creeper feet (50) that include slots (54), which each receive a cross bar (22, 24) of the main frame (12). Slot (54) includes an arcuate surface (56) that acts as a cam surface while cross bars (22, 24) act as cam followers to raise and lower pad assembly (40).

Abstract: A baby walker safety brake device including a wheel seat having a pivot hole and a slide way formed therein, a fixed guide wheel having a ring groove formed therein on one side thereof and having a shaft tube extend centrally therefrom, a shaft rod rotatably mounted in the shaft tube and received by the pivot hole of the wheel seat, and a fixed piece received within the ring groove of the fixed guide wheel. The fixed piece has a thickness matching a depth of the ring groove. The fixed piece has a central through hole extending around the shaft tube. The fixed piece has wing plates extending outwardly adjacent a bottom edge of the fixed piece. A protective edge extends outwardly beyond the wing plates of the fixed piece. The fixed piece has a protuberance extending outwardly above the central through hole. Two pins each have a length matching the depth of the ring groove. Each of the two pins has a diameter cooperative with an internal space between the fixed piece and the ring groove.

Abstract: A braking device for a roller skate, the roller skate including a boot whose sole is associated to an upper plate of a chassis along a lower part of which are located the skating wheels. The braking device includes a friction element arranged on one end of the chassis in proximity to the ground. The friction element is associated to the chassis by a detachable elastic latching mechanism interposed between the element, directly or via the intermediary of a support and the chassis, so as to allow a rapid assembly and disassembly of the friction element without the necessity of a tool.

Abstract: A roller skate provided with a brake mechanism operable when the foot or feet of the skater inside the boots are arctuated to an arch from the normal straight position inorder to effect braking. The braking system allows the skater to perform a single foot or two feet braking at will without changing the skater's postural position at the point of time when the brake was applied. It capitalize on the principle that when the foot or feet inside the boots are arctuated, they behave like structural arches to designed that when subjected to vertical loads, the feet end supports (namely the heels and phalanges ends) exerts reaction forces with inwardly directed components. It is stable and strong. The highest point or its crown, and the point which has the biggest movement, falls somewhere between the tarsus and metatarsus zones of its respective foot. Preferably, it is crown movement that is being used to drive a brake means inorder to create an effective and controllable braking.

Abstract: Brake assemblies for in-line roller skates utilize a brake pad and a support member having portions extending forward of the front wheel. The brake support may fasten to the forward portion of the skate side rail by two bolts substituted for two of the skate's wheel bolts. Tabs or a groove, and a screw secure the replaceable brake pad to the forward portion of the brake support. The pad extends around the front of the front wheel and also at least partially around to the side of the front wheel on the brake support surface. The brake support member may be formed as an integral part of the side rail extending forward of the front wheel. These arrangements allow the skater to brake safely by tipping the foot downwardly or by dragging the foot to the side.