Abstract: An automatic wheelchair locking system including: a first lock for a first wheel; a first persistent driver configured to engage and disengage the first lock; at least one processor configured to control the first persistent driver; and a memory having stored thereon instructions that, when executed by the at least one processor, control the at least one processor to: in response to receiving instructions to disengage the first lock while the first lock is engaged, control the first persistent driver to disengage the first lock; and in response to receiving instructions to engage the first lock while the first lock is disengaged, control the first persistent driver to engage the first lock.

Abstract: A wheelchair brake system comprises: a brake which is provided in a wheel of a wheelchair; and a brake actuation controller which connects with the brake and locks and releases the brake, wherein the brake is usually in a lock mode, but the brake actuation controller controls the brake to be switched over from the lock mode to a release mode if sensing that a user sits down on the wheelchair or the wheelchair is folded up.

Abstract: A walker device includes: a main frame having opposite front and rear ends; a backrest rod unit; a hand-grip rod unit; and at least three rollers, wherein the backrest rod unit is mounted on the rear end of the main frame, the hand-grip rod unit is mounted on the front end of said main frame while each of the three rollers are mounted rotatably to a lower portion of the main frame via a leg unit. The backrest rod unit includes a seat-carrier rod projecting therefrom, a seat mounted on the seat-carrier rod and a slidable backrest provided with a safety belt.

Abstract: A walker device for assisting a user while walking or engaging in exercise on various types of terrain. The walker device includes a frame having a front and rear end. A front fork extends from the front end of the frame and a pair of parallel rear forks extend from the rear end. A wheel is each rotatably secured to the front fork and the rear forks. A handle is adjustably disposed on each of the pair of rear forks via a track so as to allow a user to adjust the height of each handle. The frame is disposed along a single plane and can support a substantial portion of a user's weight, such that the user may be assisted while walking along an unleveled terrain. In some embodiments, a container and firearm bracket are mountable to the frame so the walker device can be used when hunting.

Abstract: A wheel chair with several new and useful features is provided. Those new and useful features provide the wheel chair with enhanced lateral stability, automatic cocking of an automatic locking device whenever an occupant sits in the wheel chair, and a holding mechanism that enables the wheel chair to be freely wheeled about when there is no occupant, and automatically move to a cocked state as soon as an occupant sits on the chair. The result is an automatic locking system for a manual wheelchair that unlocks the wheels for intentional motion when the chair is occupied, and locks the wheelchair wheels immediately when it is unoccupied, yet in no way interferes with the typical locking mechanism of the standard manual wheelchair when so desired.

Abstract: In some embodiments, a child mobility assisting device may include a body having a body support surface which may be formed by an upper torso supporting arm, a lower torso supporting arm, a central depression, a right wing, and a left wing. One or more transportation conveyances may be coupled to the body opposite the body support surface. Each transportation conveyance may support the body above a ground surface on a terminal surface while reducing the friction between the body and the ground surface. An arresting brake may also be coupled to the body opposite the body support surface. All or portions of the arresting brake may be positioned between the terminal surface of a wheel and the body support surface of the body so that if a transportation conveyance dips below another transportation conveyance, the arresting brake may then contact the ground surface and arrest the movement of the device.

Abstract: A battery that supplies electric power to a battery-driven work vehicle, includes: battery cells; a casing including storing the battery cells in a space surrounded by the top, the bottom, and the sides thereof; an inlet hole open to the side to introduce a gas into the casing; an outlet hole open to a side facing the side to which the inlet hole is open, and discharging the gas from an inside of the casing; and a fan introducing the gas from the inlet hole into the casing to make the gas flow in contact with the top and bottom surfaces of the battery cells, and then discharging the gas from the inside the casing, wherein the casing includes rod-shaped members extended from the inlet hole to the outlet hole, and wherein the rod-shaped members come in contact with the bottom surface of the battery cell.

Abstract: Several new and useful concepts for a manually propelled vehicle such as a wheel chair are provided. In one concept, the vehicle is configured to be selectively placed in an automatic lock condition in which (i) the wheel chair can move in a conventional manner while an occupant is seated in the wheel chair, and (ii) the wheel chair is automatically locked against movement when an occupant begins to rise from a seated position on the wheel chair. In another concept, a particularly secure structure is provided for locking the wheel of the wheel chair against movement. In yet another concept, important components of the wheel chair are formed in a manner that facilitates assembly of those components into the wheel chair, by an internal fastening system and in a modular fashion.

Abstract: An automatically engageable and releasable brake apparatus adaptable to be attached to a wheelchair is provided, including a connection mechanism adapted to be positioned on a rear frame portion of the wheelchair frame, a seat actuation member adapted to be positioned on the wheelchair seat, a brake actuating member coupled to the connection mechanism and in fluid communication with the seat actuation member defining a closed fluid system therewith, and a brake member coupled to the brake actuating member and adapted to contact a ground surface on which the wheelchair is located. Occupational ingress into the wheelchair causes fluid to flow from the seat actuation member to the brake actuating member, which causes the brake member to move from a first position in substantial contact with the ground surface on which the wheelchair is located to a second position spaced a distance above the ground surface.

Abstract: Second spring seats 62 each have a first support component 63, a second support component 64, and a reinforcing plate 66. The first support component 63 supports the ends of second coil spring 61a in the rotational direction. The second support component 64 extends in the rotational direction from the first support component 63 and supports the end of the second spring 61a in the radial direction. At least part of the reinforcing plate 66 is embedded in at least one of the first and second support components 63 and 64. The reinforcing plate 66 directly or indirectly supports the end of the second spring 61a along with the first and second support components 63 and 64.

Abstract: A wheelchair braking device providing a braking action that automatically disengages when an occupant is seated in the wheelchair. The braking device includes a support structure to which a sensing lever is pivotably mounted and to which a braking arm is slidably mounted. A biasing element is coupled to the braking lever to bias the braking arm in a first direction relative to the support structure and into engagement with a wheel of the wheelchair, thereby inhibiting rotation of the wheel. The sensing lever and braking arm are interconnected such that the biasing element operates through the braking arm to bias the sensing lever in an upward direction against the wheelchair seat. The interconnection between the sensing lever and braking arm causes the braking arm to disengage from the wheel when the sensing lever rotates in a downward direction.

Abstract: A seat brake apparatus having a small number of components. A pivot member connected to a seat is pivotally supported by a front plate of the battery compartment. A contact plate is connected to the front plate. A torsion spring supported by the front plate has a first end portion contacting the pivot member and a second end portion contacting the contact plate.

Abstract: A platform included as part of a mower, the platform providing a surface upon which an operator stands while operating the mower. The platform is springably or suspendably mounted on the frame of the mower to cushion the operator and thereby decrease the amount of physical exertion which may be experienced by the operator over long periods of operation. The platform is further associated with a power control mechanism operatively connected with the platform whereby operation of the mower attachment(s) are selectively controllable by the operator stepping onto or off of the platform.

Abstract: A wheelchair braking system, for use on a wheelchair having a frame and a pair of wheels, comprising an outer plate assembly, an inner plate assembly, and an axle assembly attached to one of the wheels. The axle assembly is supported by the outer plate assembly. The axle assembly has a sprocket gear comprising a plurality of sprocket teeth. When weight upon the wheelchair is reduced when a passenger gets up from the wheelchair, an outer plate assembly moves downward with respect to an inner plate assembly, bringing a foremast teeth into contact with a sprocket gear, and braking the wheels. A manual release lever extends rearward from a housing so that a person standing behind the wheelchair can selectively operate the manual release lever to free the foremast from the sprocket gear and allow the wheels to rotate.

Abstract: The invention presents a vehicle seat with an adjusting mechanism, for example with a height adjustment of the seat area or with a length adjustment of a longitudinal guiding (20, 22), whereas the adjusting mechanism is provided with an electromotor (36), a step-down gear (34) and an adjusting device having a first adjusting element as well as a second adjusting element which may be adjusted relative to the first adjusting element. The adjusting mechanism is additionally provided with a constantly engaged brake (38) that is leading to a braking moment in both senses of rotation of the electromotor (36), the braking moment being calculated so as to be considerably smaller than the active driving moment of the electromotor (36) but so as to be bigger than the passive torques occurring during normal operation of the vehicle due to all kinds of acceleration and loads.

Abstract: A wheelchair braking system, for use on a wheelchair having a frame and a pair of wheels, comprising an axle assembly attached to one of the wheels. The axle assembly is supported within a block assembly. The axle assembly has a locking gear comprising a plurality of gear teeth. The block assembly is mounted within a housing and is capable of controlled vertical motion within the housing. The housing is rigidly mounted to the frame. A main spring is located between the housing and block, such that weight upon the wheelchair compresses the main spring and allows the block to move upward within the housing. A foremast assembly having a foremast body is mounted to the housing such that when the block is lowered sufficiently within the housing, the foremast body engages the gear teeth and stops the gear from rotating.

Abstract: An automatic braking wheelchair having an automatic braking assembly which automatically locks one or both wheels of a wheelchair when the patient attempts to rise.

Abstract: A vehicle safety automatic braking apparatus having a driver seat weight sensor, a velocity sensor, an emergency brake actuator, and an engine kill switch which are interfaced with a controlling microprocessor. A microprocessor monitors the weight sensor and velocity sensor and, upon detection of the weight in the driver's seat falling outside a predetermined range and the speed of the vehicle being below a predetermined threshold, the emergency brake actuator and engine kill switch are activated to arrest motion of the vehicle.

Abstract: A brake system for off-road vehicles of the type including an operator seat, a brake pedal and a hydraulic brake responsive to operator actuation on the brake pedal. The brake system includes a tank for hydraulic fluid, an electric pump hydraulically connected to the tank, a pressure modulating valve actuated by the brake pedal and a flow control valve for controlling the flow of pressurized hydraulic fluid between the pump, pressure modulating valve and brake. During normal braking operation, a switch responsive to operator actuation of the brake pedal causes to provide pressurized hydraulic fluid to the brake through the flow control valve. The return flow of pressurized fluid to the tank is modulated by the pressure modulating valve in response to operator actuation of the brake pedal to control the braking pressure. The flow control valve is responsive to the presence of an operator in the operator compartment, and is coupled to a switch.

Abstract: A shock absorbing seat is provided in a personal watercraft or boat. The seat has an elongated configuration and is mounted at the front end thereof to the hull or other structural member of the watercraft for limited pivoting motion relative to the hull or structural member. A shock absorber assembly which includes a fluid filled cylinder, a piston therein, and a coil spring externally mounted to the cylinder piston combination, or an elastic envelope filled with pressurized air, is mounted for limited motion relative to the hull or other structural member of the watercraft, and to the seat so as to support at least a substantial portion of the weight of the seat and occupant thereof, and to absorb forces generated between the hull and the seat while the watercraft is in motion.

Abstract: A deadman brake assembly incorporating a turnover spring in a link mechanism thereof to exert a spring force in a direction in which a seat supporting plate is kept in a state it enters when a driver sits on the driver's seat and to exert the spring force in another direction in which the seat supporting plate is lifted when the driver leaves the driver's seat, suppressing as much as possible the lifting force acting on the driver's seat when the driver sits thereon.

Abstract: A shock absorbing seat is provided in a personal watercraft or boat. The seat has an elongated configuration and is mounted at the front end thereof to the hull or other structural member of the watercraft for limited pivoting motion relative to the hull or structural member. A shock absorber assembly which includes a fluid filled cylinder, a piston therein, and a coil spring externally mounted to the cylinder piston combination, is mounted for limited motion relative to the hull or other structural member of the watercraft, and to the seat so as to support at least a substantial portion of the weight of the seat and occupant thereof, and to absorb forces generated between the hull and the seat while the watercraft is in motion.

Abstract: An automatic braking wheelchair having an automatic braking assembly which automatically locks one or both wheels of a wheelchair when the patient attempts to rise. The automatic braking assembly includes a movable seat, a locking bar connected to the movable seat having a cavity therein for receipt of the axle, and a locking member rigidly connected to the hub of the wheel which is received in the cavity of the locking bar to selectively lock the hub and wheel in a stationary position.

Abstract: In a skid-steer loader of front type, the present invention offers a safety apparatus for the operator by way of providing a seat bar securely retainable in its desired position, a pair of supporting blocks and a pair of mounting blocks for retaining the seat bar. The safety device further includes a pair of actuating mechanisms for the parking brake operable in response to the pivotal movement of the seat bar.

Abstract: An automatic wheelchair brake is provided which automatically locks both wheels when a patient attempts to rise from the wheelchair. While seated the patient manually operates a three-way lever brake with manually locked, manually unlocked and automatic positions. If the patient attempts to rise while the brake lever is in the manually unlocked position, the lever automatically returns to the automatic position and both wheels still lock automatically. After the patient has exited, the wheelchair may easily be moved by shifting the operating lever to the manual unlock position.

Abstract: There are disclosed a brake system and a brake connection assembly for a bicycle that is actuated when the bicycle seat tilts in the fore-and-aft direction and that responds to the tilting by simultaneously and independently actuating a front wheel brake and a rear wheel brake. The brake assembly includes a connection body securely mountable on a post under the bicycle seat, a spindle connected to the seat frame to respond to tilting of the seat, and brake cable attachment members rotating with the spindle and, thus, operating a pair of brake cables operatively connected to the front and rear brakes, respectively.

Abstract: A seat brake is provided for use in a vehicle having a seat movable between a lower position when weight is placed on the seat and an upper position when weight is removed from the seat, and having a brake selectively engageable to brake the vehicle. The seat brake causes the brake to be engaged when the seat moves to the upper position and causes the brake to be disengaged when the seat moves to the lower position. The seat brake also includes a lockout assembly for selectively causing the brake to be locked in disengagement.

Abstract: A parking apparatus for a three-wheeled motorized vehicle having one front wheel, two rear wheels, and a front body portion which is transversely swingable relative to a rear body portion. The apparatus comprises a locking mechanism provided between the front and rear vehicle body portions for disabling the front body portion from swinging, a parking brake mechanism operatively cooperating with a normal wheel brake, or alternatively being independent thereof, and a common operating member for operating both the locking and parking brake mechanisms simultaneously.

Abstract: A brake and transmission control system for a vehicle having a hydraulically controlled power shift transmission and a spring applied hydraulically released parking brake. Both the transmission control and the brake are interconnected hydraulically with the operator's seat whereby when the operator leaves the seat the transmission is automatically shifted to neutral and the parking brake is automatically applied.

Abstract: This brake assembly, for use with a conventional foldable wheelchair, provides a pair of rearwardly extending brake arms connected to adjacent side frames underneath the seat. Each brake arm includes a transverse forward portion pivoted to the side frame and having a brake shoe biased into engagement with a drive wheel. The rearward portion of each brake arm is provided with a post engageable by the wheelchair seat to pivot the brake shoe out of engagement with the wheel when the seat is depressed and moved downwardly by the weight of an occupant. The wheelchair side frames are connected by a tension spring to ensure that the brake is engaged when the wheelchair is unoccupied.

Abstract: A seat operated parking brake assembly for lift trucks and the like normally imposes an overload force on a caliper-type brake thereof, after the brake has been engaged. The present invention provides an arrangement (34 or 34') for maintaining a brake (20) of this type in its disengaged condition when a seat (11) is maintained in a first position under the weight of an operator and for isolating continued movement of the seat (11) from the brake (20), after the brake (20) has been engaged in response to initial movement of the seat (11).

Abstract: PCT No. PCT/US80/00017 Sec. 371 Date Jan. 7, 1980 Sec. 102(e) Date Jan. 7, 1980 PCT Filed Jan. 7, 1980.This invention relates to a control system (8) for moving a frictional coupling between an engaged (15) and disengaged (17) position. A power device (40) is provided for moving the frictional coupling (18) to the engaged position (15) in response to a control device (26) being at a first position (27) and the disengaged position (17) in response to the control device (26) being at the second position (29). A switch device (70) deactivates the power device (40) at the engaged (15) and disengaged (17) position of the coupling and a maintaining device (60) releasably maintains the coupling at the engaged (15) and disengaged (17) positions. Thus the brake is held in the engaged and disengaged positions in the absence of electrical power. The control system (8) is particularly useful on a lift truck (18) parking brake system.

Abstract: A vehicle brake control system includes a brake having an engaged position and a disengaged position, a seat having an element movable between a first position corresponding to an occupied seat and a second position corresponding to an unoccupied seat, a control system connected to the brake for selectively operating the brake in the engaged and disengaged positions and being responsive to movement of the element to the second position for automatically placing the brake in the engaged position, and a brake actuating assembly having a control member movable between a brake engaged position and a brake disengaged position, the brake actuating assembly connected to the control system and being of a construction sufficient for automatically moving the control member to the brake engaged position in response to movement of the element to the second position.

Abstract: An electro-hydraulic automatic seat brake system which is effective to automatically set the hydraulic service brakes and shut down the engine of an industrial vehicle whenever the operator's seat is unoccupied. In order to release the brakes after the seat is reoccupied, the operator must turn on the engine ignition circuit and close a separate brake release switch. The system is charged immediately upon starting the engine by means of an engine-driven pump before other hydraulic components can be operated, and the charge is maintained when the engine is shut down by means of an accumulator. According to one aspect of the invention the hydraulic pressure on the service brakes is automatically released when a mechanical handbrake is set. According to another aspect of the invention means are provided to allow the engine to keep running when the operator's seat is unoccupied, provided that the vehicle transmission is in a neutral condition.

Abstract: A body motion actuated, bicycle seat brake comprises a seat resiliently mounted on the seat tube of a bicycle such that at least the forward end of the mounting member may be deflected downwardly by the action of a rider shifting his weight forwardly relative to the mounting member forward end. A brake member is pivotably mounted at one end thereof to the forward end of the mounting member and is slidably mounted at an intermediate location thereof to at least the seat tube of the bicycle such that the distal end of the brake member is disposed in spaced proximity to the rear wheel when the forward end of the mounting member is in an undeflected position, and is urged into abutting, braking relationship with the rear wheel when the forward end of the mounting member is deflected. The seat may also be slidably mounted on the resilient mounting member.