Class 74/577S - Single tooth

Subclass of Class 74 - Machine element or mechanism
No. of patents: 72
Last issue date: 04/08/2008

Number	Title	Issue Date
7353730	Foot depressing parking brake apparatus A foot depressing parking brake apparatus including a brake pedal main body 3 pivotably supported by a support shaft 2, a ratchet plate 4 having ratchet teeth 4b and attached to the brake pedal main body 3, a ratchet pole	04/08/2008
7246383	Fit adjustment mechanism for helmets A fit adjustment mechanism for the headband of a helmet including a bridge and a buckle. The bridge has ratchet teeth extending from the exterior surface. Each of the ratchet teeth has a tapered surface, a top land, and a retention surface with an undercut face bene...	07/24/2007
6736025	Vehicular foot-operated parking brake control apparatus A vehicular foot-operated parking brake control apparatus includes a mounting bracket and a pedal arm that is rotatably mounted on the bracket. The bracket is provided with a plurality of ratchet teeth and a pawl is rotatably mounted on the pedal arm for rotation be...	05/18/2004
6684724	Shape memory alloy step drive mechanism for providing step motion to a system A shape memory alloy step drive mechanism includes at least one shape memory alloy element (1) with a fixed end, the other end being connected to one end of a lever (2). The lever (2) is provided with a pawl (4) which is located to move on the teeth of a ...	02/03/2004
6527094	Freewheel arrangement, in particular for a guide wheel of a hydrodynamic torque converter A freewheel arrangement, in particular for a guide wheel of a hydrodynamic torque converter, permits a relative rotation between two elements in essentially only one relative rotational direction with respect to one another about an axis of rotation. At l...	03/04/2003
6510934	Parking lock device for a saddle riding type vehicle When the claw of the engagement piece abuts the raised portion of the lock gear, the engagement piece cannot move further and is held off at the position. When the lock gear turns a small amount then the indentation (indented portion between gear teeth on...	01/28/2003
6497163	Dual dial rods speed changing controller capable of linear displacement A linearly-displacing dual dial rods speed changing controller comprises a base, a wire hub seat, an advancing member, and a withdrawing member. The wire hub seat is fastened with a guide wire of a speed changer. The wire hub seat is controlled by dial ro...	12/24/2002
6477915	Tensioning device for cables A tension device for cables, in particular for the handbrake cable of automobile vehicles. It includes a simple mechanism with a cable finishing part (10) with a spherical end (5) that can become wedged between a disc (4) and a bowl (3) mounted on a bushi...	11/12/2002
6116580	Reversible winch ratchet mechanism A mechanical winch includes a ratchet lever having a single pawl which may be positioned in either one of two orientations in order to preclude clockwise or counterclockwise movement of the winch, drum or reel. In each orientation, the ratchet lever may a...	09/12/2000
6085770	Remote cylinder valve opener A method and apparatus for remotely opening a manual valve of a gas cylinder from a remote location. The gas cylinder is first connected to a purge system which is purged of oxygen and pressurized with an inert gas to a pressure near that of the gas cylin...	07/11/2000
5964335	Parking device for automatic transmission A parking control mechanism to prevent generation of noise and shock when a parking range is released after a vehicle has been parked so that a driver does not feel uncomfortable. A parking apparatus of an automatic transmission has a parking gear; a park...	10/12/1999
5816111	Actuator for a hand brake of a motor vehicle An actuator for a cable-controlled hand brake of a motor vehicle including a ratchet carrier attached to the vehicle body, a brake actuating lever hingedly supported on the ratchet carrier, a spring-biased drive pawl formed as a rocker and having a circum...	10/06/1998
5511447	Automatic ratchet block A ratchet block comprised of a frame, movable sheave assembly, ratchet assembly, ratchet assembly and cam wherein the ratchet automatically engages under load permitting rotation of the sheave in only one direction, and disengages when the load is removed...	04/30/1996
5488882	Tilter catch mechanism A tilter catch mechanism for a tipping device. The tipping device has a frame and a flat tiltable platform tiltably supported on the frame and for movement between a first horizontally aligned position and a second position inclined to the horizontal. An ...	02/06/1996
5319997	Automatic ratchet block A ratchet block comprised of a frame, moveable sheave assembly, ratchet assembly and cam wherein the ratchet automatically engages under load permitting rotation of the sheave in only one direction, and disengages when the load is removed permitting rotat...	06/14/1994
5294035	Ratchet device having a stopper member for preventing excessive rotation of ratchet wheel, and tape feeding apparatus using the ratchet device A ratchet device is disclosed which includes a body, a ratchet wheel rotatably supported by the body, a feed pawl having an engaging portion engageable with teeth of the ratchet wheel, a support member for holding the feed pawl, a member for biasing the f...	03/15/1994
5269195	Vehicle park lock mechanism In a vehicle park lock mechanism having a rotatable lock arm (5) for locking a gear (3) which is fixedly mounted on a transmission shaft (2), a pawl device integral with the lock arm is comprised of first and second locking pawls (6F, 6R) which are operab...	12/14/1993
5078022	Tilt type steering apparatus A tilt type steering apparatus comprising a support bracket fixed to a vehicle body, a steering column having one end thereof pivotally supported on the support bracket by a first cross member, a first engagement member having first engagement teeth forme...	01/07/1992
4984481	Automotive anti-theft steering lock An anti-theft steering lock includes a locking sleeve fixed to a steering shaft and having substantially radial teeth. Pivoted levers each having a pointed tip are freely pivoted on axes extending parallel to the steering shaft and fixed to a fixed suppor...	01/15/1991
4983097	Tray tier stacking apparatus A tray stacking apparatus includes a pawl having a projection piece, a roller for opening the pawl, a roller for returning the pawl, and an urging device for urging the pawl into an open position or a closed position. The pawl is opened during its descent...	01/08/1991
4955556	Shoulder harness reel assembly with automatic reel lock An improved dog used with a ratchet which is subject to rapid withdraw which dog has a biased probe extending outwardly from the ratchet contacting face of the dog. The biased probe reduces or eliminates the tendency of the dog to bounce along the teeth o...	09/11/1990
4907681	Park locking mechanism for an automatic transmission A park locking mechanism for a four-speed automatic transmission in which the rollers have oversized bores to reduce the reaction loads transmitted to the carrier pins so as to increase the service life of the carrier pins and rollers....	03/13/1990
4723729	Seat belt retractor with curved tooth auxilliary gear Retractor for front seat belt having inertia responsive pivoted latch bar for engaging main ratchet sprocket gears to arrest belt extraction, and an auxilliary sprocket gear with radially elongated teeth engaged by pivoted lever finger actuated by inertia...	02/09/1988
4685632	Clicker-type brake for fly-fishing reel A fly-fishing reel comprising a stationary housing mounted on a fishing rod and a rotatable spool having a clicker gear engaged by a pivoted pawl which can apply resistance to the rotation of the spool with the aid of a pair of spring devices. A single kn...	08/11/1987
4673144	Seat belt retractor A seat belt reel has a sprocket at each end and a reel shaft extending through elongated slots in a frame to mount the reel for rotation. A rapid unwinding of the belt from the reel imposes a force on the reel and the reel shifts bodily in the direction o...	06/16/1987
4671133	Parking lock system for a vehicle A parking lock system for a vehicle having an automatic transmission, a cover being secured to a case of the automatic transmission. The system comprises a shaft bridging to the case and the cover, a parking pawl rotatably mounted on the shaft, a cam for ...	06/09/1987
4667783	Park lock device for use with automatic transmission Herein disclosed is an improved arrangement of a park lock device for use with an automatic transmission, by which the transmission casing can be constructed simple and compact in size. The park lock device comprises a parking gear secured to the output s...	05/26/1987
4662578	Gravity actuated, unidirectional regulated tissue dispensing system Described is a mechanical device designed to dispense tissue paper or cloth web by gravity-actuated release gear system. The release gear system is activated by pressing a lever that is connected to the unidirectional gear release system. The gear mechani...	05/05/1987
4606242	Parking device A parking device for an automatic transmission system in automotive vehicles includes a parking gear connected to the engine output shaft, a pawl having one end pivotally mounted to the transmission housing and the other end pivotable towards and away fro...	08/19/1986
4598607	Programmer control device This programmer control device comprises a programme-cam unit and a reversing cam unit disposed coaxially and driven for step by step rotation by rocking pawls, notably a pawl cooperating with concentric sets of teeth. The beak of this pawl comprises a st...	07/08/1986
4596310	Driving apparatus for an energy accumulator of a circuit breaker A drive mechanism for an energy accumulator of a stored energy circuit breaker includes a toothed ratchet wheel intermittently coupled to a shaft connected to an energy accumulating spring through a crank arm. A pair of drive levers are rotatably mounted ...	06/24/1986
4553714	Fishing reel with a variable pressure click pawl A fly fishing reel having a rotatable drum and a surrounding cage carrying the drum, in which a check mechanism comprises a check wheel mounted co-axially on the drum has radially disposed teeth engaged by a check tongue adjustably mounted on the cage....	11/19/1985
4543982	Automatic rewinding water hose reel A hose reel assembly including a housing of substantially cylindrical shaped configuration, a water inlet area axially disposed relative to the longitudinally axis of the cylinder, a transfer hose to allow communication of a fluid inlet to the hose dispos...	10/01/1985
4527753	Dual-control fly-fishing reel A fly-fishing reel has a rotatable spool provided with a click gear engaged by a pivoted pawl which can apply resistance to rotation of the spool in opposite directions by independently adjustable spring means. A pair of exteriorly exposed adjustment knob...	07/09/1985
4524636	Slot machine handle locking device A device for locking a slot machine handle for causing the rotation of reels until a coin is inserted, is disclosed. When a coin is inserted, a solenoid is activated to move an interlock lever from a first position to a second position. When the interlock...	06/25/1985
4516442	Ratchet device A ratchet device is provided and includes a ratchet mechanism mounted in a housing assembly and a work arm protruding therefrom. The ratchet mechanism includes a ratchet wheel which is secured to the work arm and which is rotatably mounted on an axle and ...	05/14/1985
4490060	Printing apparatus using snap finger feed assembly and method of assembly There is disclosed printing apparatus composed essentially of molded plastics material which has relatively few parts, is easy to manufacture and maintain, and is lightweight and portable. The apparatus is illustrated as being of the table top type which ...	12/25/1984
4486007	Emergency pawl release system for winches A hinged pawl and an emergency pawl release system for heavy duty winches such as those used to anchor semi-submersible drilling rigs. The pawl includes two sections hinged together at an overcenter knuckle joint and provided with flat bearing surfaces wh...	12/04/1984
4477038	Click device with a line sagging prevention mechanism for a fishing reel A spinning reel includes an anti-reverse mechanism for selectively preventing a rotor from rotating in a reverse direction, and a click device for selectively producing clicks when the rotor rotates in the reverse or forward direction. The click device in...	10/16/1984
4475854	Lashing device A lashing device for securing objects on ship's decks. The lashing device comprises a U-shaped frame member having two legs and an attachment part. Between the frame member legs extend a strap winding-on drum and a spring-biased shaft, and a holding pawl ...	10/09/1984

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Class 74/577S - Single tooth