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| Number | Title | Issue Date |
| 8025130 | Roller disk brake for a winch A power device includes a motor, a drive shaft, and a roller brake system including a cam mechanism. The motor may put out a driving torque in a first and a second rotary direction. The cam mechanism includes first and second cam members. The first cam member may be... | 09/27/2011 |
| 7222700 | Roller disk brake for a winch A brake mechanism having a motor output shaft outputting a driving torque in a power-in and a power-out direction. A camming device operably couples the output shaft to a drive shaft for fixed rotation. A one-way clutch operably couples the drive shaft and a brake d... | 05/29/2007 |
| 7121391 | One-way clutch A one-way clutch. The one-way clutch includes a passive member, an active member, and a rolling member. The passive member has an outer circumferential surface and a sliding portion. The sliding portion extends from the outer circumferential surface to the interior ... | 10/17/2006 |
| 7066425 | Device with retractable anti-roll means, and use thereof in wire dispensing reels The invention a device with retractable anti-roll means designed in particular for a wire dispensing reel (10) having a cylindrical body (11) and end flanges (12, 13). The end flange (12) comprises a circular peripheral rolling edge (2... | 06/27/2006 |
| 6978865 | Safety chock A safety chock (16) for large wheeled vehicles. A torque arm component (26, 24, 20, 21) maintains and positions an underside face (37) of a shoe (30) in proper position relative to the travelling surface (14), when moving the chock... | 12/27/2005 |
| 6874794 | Safety brake using bearings for in-line skates A braking system preferably for an in-line skate includes a brake pad mounted to a forward end of a skate frame and an elevated front wheel attached to the skate frame by two pivot arms. The pivot arms are biased forward which is in a clockwise direction with respec... | 04/05/2005 |
| 5947491 | Brake and retractable rear stabilizer apparatus for a hand dolly Hand truck or dolly apparatus includes a main frame and a pair of main tires and brake elements secured to the main frame, including a pair of plates movable against the tires. The brake plates are actuable either by a foot operation or by hand operation.... | 09/07/1999 |
| 5845746 | Wheelchair dynamic braking system An automatic braking system for wheelchairs which prevents rearward, downhill motion of wheelchairs while having no effect on horizontal or uphill motion. The braking system is made up of circular ratcheted plates which are attached to the axles of the dr... | 12/08/1998 |
| 5779251 | Brake and retractable rear stabilizer apparatus for a hand dolly Hand truck or dolly apparatus includes a main frame and a pair of main tires and brake elements secured to the main frame, including a pair of plates movable against the tires. The brake plates are actuable either by a foot operation or by hand operation.... | 07/14/1998 |
| 5713436 | Solenoid operated unidirectional wheel brake A motorcycle rear wheel brake functions to allow the driver to lock the rear wheel on an upward incline. This prevents the motorcycle from rolling backwards while freeing the driver's hands and feet. A simple hinge arrangement wedges the rear wheel and th... | 02/03/1998 |
| 5625240 | Magnetic bearing and mechanical thrust bearing device for positioning a body rotating relative to a stator body Device for positioning a rotating body movable about an axis in relation to a stator body including a magnetic bearing and a locking/releasing device. The locking/releasing device embodies a plurality of clamps with pads adapted to radially grip a shaft o... | 04/29/1997 |
| 5388672 | Anti-roll-back device A device (10) allows forward (clockwise) rotation of a shaft (12) but prevents reverse rotation unless disengaged. A loop (20) is attached at one end to a slide show (16), passes round a drum (14) on the shaft (12), around a first pin (24) and a second pi... | 02/14/1995 |
| 5277436 | Combination hand truck and stair ramp In combination, a hand truck having a unidirectional wheel control ratchet and an adjustable length stair ramp are operable for transporting heavy loads of cargo up flights of stairs. A ratchet wheel and pawl assembly is attached to the wheels of the hand... | 01/11/1994 |
| 5211414 | Wheelchair A lightweight, optionally foldable wheelchair which allows the user maximum control over both travel direction and seat position. The wheelchair is driven manually by an arrangement of drive gears, which are actuated by a drive gear selector and operated ... | 05/18/1993 |
| 5029674 | Braking devices A manually operable hand braking device for such as but not necessarily confined to, a wheel (23) of a wheel chair. The device including a mounting member fixed adjacent the wheel periphery (23a), and a body part (5) mounted for partial rotation about an ... | 07/09/1991 |
| 4925252 | Automobile brake system An automobile brake system includes a master cylinder, a wheel cylinder and a solenoid actuated valve between the master cylinder and the wheel cylinder. The solenoid actuated valve is actuatable for maintaining high fluid pressure in the wheel cylinder a... | 05/15/1990 |
| 4867282 | Vehicle anti-roll back device The invention relates to an anti-roll back device of particular applicability to motor vehicles but which can be applied to any rotating member where in ordinary useage the rotatable member is required to be rotated in one direction and prevented from rot... | 09/19/1989 |
| 4856959 | Carrier for cylindrical containers A carrier for a cylindrical container possesses function of raising the container from a fallen position to an upright position. The carrier comprises a movable dolly, a lift drive assembly mounted on the dolly, a lift frame provided on the dolly, a clamp... | 08/15/1989 |
| 4638890 | Brake device for a cycle The brakes of a bicycle are actuated in response to rotation of the pedal crank in a reverse direction. The brake actuating mechanism includes an actuating member which is connected to the pedal crank by a freewheel and a slip coupling. The freewheel is d... | 01/27/1987 |
| 4461365 | Bicycle power pack A device for propelling a bicycle or the like comprising in combination, a frame having wheels and an overlying cargo carrier instrumentality, a power pack disposed thereon adapted to drive said wheels, hitching instrumentalities connecting said frame to ... | 07/24/1984 |
| 4410195 | Bicycle with improved safety By providing a bicycle with a one-way brake coupled between the front wheel and the frame of the bicycle, the one-way brake being configured to permit only forward rotation of the front wheel, dangerous reverse rotation of the front wheel, which accompani... | 10/18/1983 |
