Class 74/576 - Noiseless

Subclass of Class 74 - Machine element or mechanism
Definition: Devices comprising pawls held out of engagement with the
No. of patents: 36
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
6969023	Locking pawl A locking pawl for a mechanism for blocking a belt retractor of a safety belt comprises a first locking pawl element made of a first material and adapted to block said belt retractor, and a second locking pawl element made of a second material and adapted to control...	11/29/2005
6289766	Foot-operated parking brake A foot-operated parkin brake apparatus for a vehicle has a base plate, a pedal lever, a sector gear, and a locking pawl. The base plate has a pivot and is fixed with respect to the body of the vehicle. The pedal lever is rotatably supported by the base pl...	09/18/2001
6202813	Pawl noise dampening mechanism for a bicycle freewheel A ratchet mechanism for a bicycle hub includes a first hub member and a second hub member, wherein the first hub member and the second hub member are rotatable relative to each other. A pawl is supported by the first hub member, a ratchet tooth is support...	03/20/2001
6155394	Bicycle coasting mechanism The present invention is directed to a bicycle coasting mechanism. The coasting mechanism includes a plurality of pawls which are rotatably mounted and which are configured to engage a plurality of ratchet teeth. A linkage engages each pawl and causes the...	12/05/2000
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
5544925	Spring mounting device for automotive door lock apparatus An automotive door lock apparatus comprises a lock body having a latch for engaging with a striker and a ratchet for preventing the latch from pivoting in reverse direction, the lock body defining a cavity for receiving the latch and the ratchet, a spring...	08/13/1996
5540117	Locking system for articulated fittings of car seats, in particular for wobble fittings A locking system for articulated fittings of car seats with a free-swivelling backrest. In particular, a wobble fitting is used with the articulated fitting and is made up of at least one notch, with which a pawl engages in a locking position, and a first...	07/30/1996
5485903	Reversal preventive mechanism of a silent type for use in a fishing reel A reversal preventive mechanism of a silent type is provided for use in a fishing reel which is capable of playing out a fishing line smoothly when the fishing line is played out by means of the reversed rotation of the handle. A spring is wound on a port...	01/23/1996
5318243	Spinning reel having a device for preventing backward rotation of a rotor A spinning reel includes a rotor rotatable relative to a reel body and supporting a bail. The rotor defines a plurality of teeth on an inner peripheral wall thereof. The reel body has a pawl mounted in a forward position thereof for engaging the teeth. Th...	06/07/1994
5205386	Pawl and ratchet clutch with pawl holdback A pneumatic starter (10) incorporates a pawl and ratchet clutch assembly (50) having a ratchet member (46) mounted to a drive member (40) powered by an air expansion turbine (20), and a plurality of ferromagnetic pawls (48) disposed circumferentially abou...	04/27/1993
5184701	Device for compensating the controlled clearance on brake drums of lorries and semi-trailers Device for compensating the clearance between brake linings and drums accomplished by means of ratchets (21) engaged during displacement of the operating system of the camshaft (10) with the peripheral teeth (14) of an intermediate ring (11) fixed to the ...	02/09/1993
4984665	Anti-reverse actuator for a spinning reel An anti-reverse actuator for a reel of the type having a line carrying spool, a crank assembly consisting of a crank shaft and a handle operable to rotate the crank shaft about an axis, structure responsive to rotation of the crank handle in a first direc...	01/15/1991
4824045	Spinning reel A spinning reel is provided which includes a reel body, a driving shaft supported rotatably relative to the reel body, and anti-reverse rotation gear supported non-rotatably relative to the driving shaft to impede reverse rotation thereof, and a retaining...	04/25/1989
4773775	Tape-ribbon cartridge A tape-ribbon supply cartridge for supplying tape and ribbon to a lettering apparatus having a mechanism for creating a lettering force and a mechanism for positioning a character to be lettered into lettering position. The cartridge includes an improved ...	09/27/1988
4633733	Ratchet mechanism A ratchet mechanism comprising a disc rotatable on a pivot pin, said disc being provided with radially disposed ratchet teeth on a face of the disc, an engagement plate provided with channels corresponding to and engageable with the teeth of the disc, the...	01/06/1987
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
4588140	Reverse prevention device for fishing reel A device for preventing reversing of a fishing spinning reel of the type having a rotor for retaining a fishing line and fixed to a rotary shaft sleeve adapted to rotate in accordance with the rotation of a handle shaft, so that the fishing line is wound ...	05/13/1986
4546932	Spinning type fishing reel with selectably clicking or non-clicking ratchet mechanism This spinning type fishing reel includes a main body with a handle shaft and a spool cup shaft driven therefrom rotatably supported in it. A ratchet is mounted on the spool cup shaft, and a pawl is biased towards the ratchet so as, when pressed thereagain...	10/15/1985
4523726	Anti-reverse mechanism An improvement in an anti-reverse assembly of the type having a pivotable, planar pawl with a tooth engaging a ratchet associated with a rotatable crankshaft to prevent reverse rotation of the crankshaft. A pocket is provided by spaced walls integrally ca...	06/18/1985
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
4492347	Anti-reverse mechanism A spin casting style fishing reel is provided with an anti-reverse mechanism that prevents the crank assembly from being rotated in one direction. A pawl actuator is rotated by the crank assembly rotating in one direction to activate an anti-reverse pawl ...	01/08/1985
4480802	Silencer of anti-reverse fishing reel A silencer of an anti-reverse fishing reel comprises a rubbing block adhered onto a catch which prevents the reverse rotation of a ratchet of the fishing reel and a buffer recess with a wide opening formed on the catch. Whenever normally rotating the ratc...	11/06/1984
4474339	Fishing reel with anti-reverse-rotation control mechanism A fishing reel which has a spool journalled to a pair of side frames and a handle journalled to one side frame so that rotation of the handle is transmitted to the spool through a transmission mechanism including a master gear, the transmission mechanism ...	10/02/1984
4463916	Silent and selective anti-reverse mechanism Anti-reverse mechanism having an actuator (60) associated with the crankshaft (40) of a reel by means of a C-shaped part (90) of the actuator frictionally engaging the crankshaft and parts (92,94,96) of the actuator extending into interengagement with an ...	08/07/1984
4416427	Spinning reel for fishing A fishing spinning reel of a type having a housing and rotatably carrying a rotary shaft having a handle, a rotor mounted on a front part of the housing and including a bail arm for retaining the fishing line for rotation with the rotary shaft, and a spoo...	11/22/1983
4408728	Anti-reverse actuator mechanism An anti-reverse actuator mechanism having an actuator defined by a coil spring (20) associated with the center shaft (15) of the reel and which has an end coil (90) extending therefrom to engage a part (92) of an anti-reverse pawl (70). The coil spring is...	10/11/1983
4391418	Silent, anti-reverse actuator mechanism An anti-reverse actuator mechanism having an actuator (50) associated with a center shaft (15) by mounting on a member (20,70,90) rotatable with the center shaft and having parts frictionally engaging said member whereby there is a yieldable drive connect...	07/05/1983
4359197	Silent-selective anti-reverse mechanism This invention comprehends a spin casting style fishing reel that has an anti-reverse mechanism that prevents the crank assembly from being rotated in the reverse direction when desired. The anti-reverse mechanism is silent in operation and can be selecti...	11/16/1982
4357050	Silent seat back recliner with quick release The disclosure relates to a quick release latch mechanism for controlling reclining movement of a vehicle seat back. A spring loaded pawl is engageable with an articulated slidable arm to latch the seat at a desired reclining position. The pawl is pivoted...	11/02/1982
4340189	Return feed locking mechanism for fishing reels A return feed locking or anti-reverse mechanism is provided to prevent reverse (unwinding) rotation of fishing reel winder. The fishing reel includes a crank operated driving shaft for rotating gearing connected to a driven shaft and line winder. The anti...	07/20/1982
4300730	Disengageable locking mechanism in a fishing reel In fishing reels, more particularly non-rotary type reels, there is provided a device comprising a disengageable anti-reverse mechanism in the form of a pawl and ratchet mechanism and being characterized by an actuating means operable by the hand crank of...	11/17/1981
4220294	Safety belt retractor An improved safety belt retractor comprising a ratchet means, a locking means which is engageable with the ratchet means, and an actuating means which is actuable in response to a predetermined acceleration for engaging the locking means with the ratchet ...	09/02/1980
4183260	Tool for rotating nuts, bolts and like fasteners This disclosure relates to a tool for rotating elements, such as nuts, bolts, screws or like fasteners, and includes a ring having ratchet teeth, the ring being driven by a lever, a pawl carried by the lever for engaging the ratchet teeth, a flexible tens...	01/15/1980
3974978	Anti-reverse mechanism for fishing reels Anti-reverse mechanism for fishing reels is provided which includes a notched wheel having a pair of dogs resiliently urged into engagement therewith, one dog having an anti-torque spring to produce silent operation and the other dog as it is urged into e...	08/17/1976

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Class 74/576 - Noiseless