Matches 1 - 50 out of 112 1 2 3 >
Match Document Document Title
7258219 Planetary gear actuator apparatus and method  
A traction cable actuator has a sun gear, with a lever, at least two planetary gears engaged with the sun gear, and a housing with a toothed race engaging the planetary gears. The housing further...
7191886 Actuating drive with a wrap spring arrangement  
An actuating drive for transmitting drive torque to a power takeoff, comprising a drive unit; a braking device comprising a cylindrical surface; and a wrap spring having a plurality of turns which...
6973952 Anti-reverse transmission apparatus and window blind using the same  
An anti-reverse transmission for use in a window blind includes a fixed axle, a rotatable input shaft, an output shaft sleeved onto the fixed axle, a transmission shaft sleeved onto the output...
6877597 Clutch mechanism  
A clutch mechanism for seating units of the type having an adjustable support member. The clutch mechanism includes a housing having first and second opposite ends, and a generally cylindrical...
6561587 Variable clutching seat recliner mechanism  
Variable clutching seat recliner apparatus includes a drum coupled to a seat back, a band wrapped about the drum inhibiting rotation thereof, a tightening mechanism coupled to opposed ends of the...
6173825 Lift control device for a roller shade  
A lift control device for a roller shade includes a support rod having one end containing an insert socket, a spring mounted on the support rod, a roller cap rotatably mounted on the support rod...
6164428 Wrap spring shade operator  
A shade positioning system which employs a wrap spring clutch system includes a shade operator, a shade roller, and an idle end bracket for supporting the shade roller when mounted. The shade...
6158563 Winding mechanism  
A winding mechanism for an architectural covering such as a blind or shade in which a fixed shaft 10,110 is surrounded by an inner sleeve 16,116 and an outer sleeve 22,122. A one way clutch 20,32...
6158295 Linear actuator  
A linear actuator includes a housing, a spindle rotatable in both directions, a threaded nut driving a piston rod, and a motor capable of driving the spindle through a transmission, a disengagement...
6095312 Adjusting device  
Infinitely operating two-way adjusting device having a rive element 1, an output element 2 adjustable in angle by operating the drive element 1, and a stepped switching mechanism mounted between...
6070938 Adjustable support apparatus and architecture for adjusting support apparatus  
Adjustable support apparatus comprising a support structure including a first seating element and a pivotally attached second seating element each for receiving a selected portion of a body of a...
5950948 Coil spring anti-reverse mechanism for a fishing reel  
An anti-reverse mechanism that is adaptable to have application in a majority of conventional fishing reel designs and configurations. More particularly, a coil-spring, anti-reverse mechanism that...
5909791 Spring clutch  
A helical spring for a spring clutch including: (i) at least one right hand wound section (B); (ii) at least one left hand wound section (A); and (iii) tabs (2,3,4 & 5) projecting from...
5842659 Lever actuator  
Lever actuator assembly includes the use of at least one clutch member for providing selective adjustment of the length or tension of a cable. The clutch member provides for a stationary position...
5681005 Lever actuator  
Lever actuator assembly includes the use of at least one clutch member for providing selective adjustment of the length or tension of a cable. The clutch member provides for a stationary position...
5542505 Torque limiting device with restraining mechanism  
A torque limiting device that includes a shaft and a wrap extending around the shaft. The wrap is frictionally engaged with the shaft, and the wrap has an inner and an outer surface. The device...
5529157 Combination brake and clutch assembly for electric motors  
A brake and clutch assembly mounted on an electric motor's drive shaft comprises, in succession and outwardly from the motor, a brake pad, a drive disk, a clutch plate, a pulley, a compression...
5507374 Clutch controlled roller shade mechanism with integral overrunning ratchet  
A bi-directional sprang clutch further including a ratchet and pawl so as to permit substantial torque to be transmitted to the shade roller only in one direction. In the other direction, the...
5464083 Torque limiting spring hinge  
A spring hinge and method of making same are disclosed. The spring hinge has a housing enclosing the spring and its associated shaft. The housing includes projections adjacent the ends of the...
5328007 Reverse rotation preventing device  
A reverse rotation preventing device comprising: a fixed ring disposed in proximity to the external peripheral surface of a coil spring; an input coupling rotatably driven; an output coupling, to...
5287950 Fall-arrest apparatus with constant winch braking  
A fall-arrest apparatus comprises a drum (1) which holds a cable (3) for attachment to a load and has a brake (7-11, 13-15) which automatically stops the drum if it exceeds a certain unwinding...
5275262 Pedal parking brake device  
A pedal parking brake device makes it possible to provide a brake retaining state at the maximum braking position. The pedal parking brake device performs a rotational locking of a brake pedal by a...
5261732 Braking system with nonbackdriveable actuator  
A vehicle braking system is provided. In a preferred embodiment, the system has an actuator frame with a bore fluidly connected to the wheel brake and to a master cylinder. A piston, mounted within...
5230410 Pedal parking brake device  
A pedal parking brake device comprising a rotation lock of the brake pedal including a coil spring having a hook portion. The coil spring is outwardly inserted to a core bar positioned at the...
5228759 Braking system with nonbackdriveable actuator  
A vehicle braking system is provided. In a preferred embodiment, the system has an actuator frame with a bore fluidly connected to the wheel brake and to a master cylinder. A piston, mounted within...
5219213 Anti-lock braking system with nonback driveable actuator  
A vehicle braking system is provided. In a preferred embodiment, the system has an actuator frame with a bore fluidly connected to the wheel brake and to a master cylinder. A piston, mounted within...
5211368 Angle adjusting device for a display device  
An angle adjusting device for a display device, wherein at least one coil spring having a free end and another end fixed on a rotatable axis is mounted closely on the inner wall of a fixed axis so...
5058720 Methods for reducing lost motion and wire distortion in spring clutches  
A spring clutch for limiting lost motion during release is provided. The spring clutch includes a shaft, a helically wound coaxially mounted spring for making frictional contact with the shaft, and...
4984666 Speed governor for toilet or the like  
Braking of independently-movable pivotable members is carried out by independent one-way clutch mechanisms which provide minimal braking force to the pivotable members in the vicinity of the limit...
4953676 Spring coupler  
A spring coupler comprises a casing, a drive member rotatably mounted within the casing including a main portion and a core portion fixedly connected thereto by staking manner, a driven member...
4926987 One-way transmission device  
Disclosed herein is a one-way transmission device, which comprises a housing having a cylindrical inner wall formed therein; a first coil spring coaxially received in the housing and resiliently...
4690379 Electric chain block  
An electric chain block includes a driving shaft connected to a rotating shaft of an electric motor, and a driving gear provided on the driving shaft, and further includes an intermediate driven...
4683995 Actuating device in particular for a vehicle window glass raising device  
The actuating device comprises a mechanism for displacing the window glass in translation including a gear pinion (10) freely rotatively mounted on a driving shaft (4), the pinion (10) being...
4651854 Spring coupler brake  
A spring coupler including a drive member, a driven member, a pair of coil springs interconnecting the drive and driven members, and a cylindrical housing providing a unidirectional drive either...
4646888 One-directional drive apparatus  
A dependable and reliable one-directional drive apparatus with drive prevention in the other direction is presented wherein a first and second reinforcement ring members are used to protect...
4646887 Gear drive apparatus  
A gear drive apparatus is provided which includes a rotatable drive shaft, a driving member, a driven member and a pinion gear. The rotatable drive shaft contains a handle and a stem. The driving...
4623051 Load bearing, one-way, spring clutch assembly  
A load bearing, one-way, spring clutch assembly for use in a load bearing assembly where the load bearing assembly includes a housing, a shaft rotatably mounted to the housing, a drive for applying...
4614257 Spring coupler apparatus  
Spring coupler apparatus including a driving member and a driven member coaxially mounted in a case, the driving member including a substantially circular annular body having a pair of fan-shaped...
4606276 Motion retarder  
A motion retarder particularly useful for regulating rotary movement of a shaft, for example, includes an inner and outer tension unit carried on a bolt shaped rod. Arcurate end segments of a...
4579201 Bidirectional, torque-limiting, no-back clutch mechanism  
The bidirectional, torque-limiting, drive and brake mechanism has an input and output drive shafts and a helical spring which is normally in interference fit with the mechanism housing and, in the...
4533027 Friction brake assembly  
A friction brake assembly for stopping the transmission of motion between drive and driven shafts comprising a brake drum, a coiled braking spring having several turns adapted to frictionally...
4516667 Rotary motion damping means  
Damping members are provided for damping momentum in a rotary member to stop it at a desired normally stopped position without any override therefrom, the members include a friction plate moveable...
4372432 Bi-directional clutch  
There is disclosed a bi-directional clutch, particularly useful in window shade applications. The bi-directional clutch includes a first or core member and an unwrap spring, that is, a spring...
4371065 Brake-type spring coupling for adjustment gears, particularly in seat adjusters  
A brake-type spring coupling for transmission gears for an adjuster comprises a shaft, a transfer cam rigidly secured to the shaft, a pair of follower segments freely rotatable about the shaft on...
4369616 Centrifugal clutch and brake for lawnmower  
An apparatus which automatically prevents the rotation of a rotary blade or the like when a power plant is operating at idling speed and which drivingly engages the rotary blade when the power...
4281747 Override lock assembly for a driving means  
An override lock assembly comprises a driven element and a driving element both rotatably arranged on a common fixed shaft. Between the two elements there is arranged a clamping member engaging...
4278032 Two direction brake for a drafting table  
Drafting board apparatus features a dual-spring brake to enable the angle of tilt of the drafting board to be selectively altered. Use of oppositely-coiled springs secures the board against...
4267909 Unilaterally alternating backlash torque lock  
Disclosed is a unilaterally alternating torque backlash lock mechanism that overcomes the disadvantages of prior art single part loop spring braking parts. The invention comprises a control element...
4267908 Unilaterally alternating backlash torque lock  
Disclosed is a unilaterally alternating backlash torque locking mechanism which comprises a frame member, a control member having a longitudinally extending tubular portion, a longitudinally...
4246991 Linear motion mechanism with means for preventing back forces  
A mechanism is disclosed which produces linear motion from a rotating input while preventing the transmission of back forces in either direction. The mechanism includes a housing with an output...
Matches 1 - 50 out of 112 1 2 3 >