U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Celebrity Inventors

Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 188/82.7 - Pivoting or flexing detent (e.g., pawl)


Subclass of Class 188 - Brakes
Definition: Devices in which a tongue-like element is mounted to swing
No. of patents: 61
Last issue date: 11/08/2011


1    
NumberTitleIssue Date
8051960Braking apparatus for blind
A braking apparatus for a blind, used to reduce the speed of a shielding member of the blind when it is lifted and lowered, in which weights are stably supported and operated without an increase in the size of the braking apparatus. The braking apparatus has a casin...
11/08/2011
7350333Brake device for garage doors and the like
A brake device (1) is for use with a cable-operated door (3), such as garage doors (3) and the like. The device (1) is intended to reduce the risk of the door (3) falling, or at the very least slow down its descent, in the event of...
04/01/2008
7281720Drum transport cart
A drum dolly on which an upright drum may be placed. A C-shaped frame is supported on side members which are each supported on front and rear casters. The frame includes a support ledge to receive the rim of the drum. The underside of the support ledge is positioned...
10/16/2007
7219775Attachment for preventing reverse rotation of a shaft
A fan rotor is mounted on a shaft carried on bearings attached to a base plate and there is provided an assembly for preventing reverse rotation of the fan which could damage the motor. A stop plate is mounted on the base adjacent the shaft with an edge adjacent the...
05/22/2007
7048096Incremental braking apparatus and method of braking
An incremental braking apparatus and method includes a first rotating member having a plurality of rigid stops spaced circumferentially around an outer cylindrical surface of the first rotating member, and a plurality of flexible stops arranged in a plurality of row...
05/23/2006
6966573Jack dolly with brake
A dolly (10) for transporting a jack (50) having front arm members (12a, b) attached to cooperating ends of rear arm members (34a, b) by a rod (30). The front arm members are mounted on wheels (22a, b) o...
11/22/2005
6722485Force-limiting rotary lock
A force-limiting rotary lock (20) for a shaft (21) mounted on a housing (22) for rotational and axial movement relative thereto, broadly includes a lug member (28) provided on the shaft, and a pawl (51) mounted on the housing. The ...
04/20/2004
6715596One-way clutch for automatic transmission
The present invention provides a one-way clutch for an automatic transmission, comprising an inner race, an outer race disposed in coaxial with the inner race and rotated relative to the inner race, recessed portions formed in an outer periphery of the inner race or...
04/06/2004
6315089Safety lock device with rotating clover mechanism
A safety lock device including a clover mechanism mounted on a rotating shaft to be used with an unbalanced free-fall dog that precludes rotation of the rotating shaft upon rapid acceleration or excessive speed of the rotation of the shaft. The free-fall ...
11/13/2001
6209690Load brake
A load brake having a load shaft, a flange-like pressure plate fixedly mounted onto the load shaft, and a cogwheel arranged on the load shaft. A tension device produces an axial motion and force in the cogwheel as the wheel rotates with respect to the loa...
04/03/2001
6126105Antibacklash brake with centrifugal operator
In a double bearing type reel (1) for fishing, a spool (3) is fixed to a spool shaft (5) pivotally supported by a reel body so that the spool (3) rotates integrally with the spool shaft (5). A movable body (25) is attached to the spool shaft (5) so that t...
10/03/2000
6059084Sprag clutch assembly
A spray clutch assembly has a first disc having an exterior surface and a second disc spaced apart from the first disc in a generally parallel relationship. A plurality of sprags are circumferentially spaced apart and pivotally mounted between the inner s...
05/09/2000
6019198Mechanically driven ratchet assembly
A mechanically driven ratchet assembly which has a pawl gear attached to a rotationally biased shaft, a pawl assembly having a pawl tooth for engagement with a pawl gear, and a ratchet gear which alternately permits movement when driven by the pawl gear o...
02/01/2000
5986369Actuator having piezoelectric braking element
An electromechanical actuator maintains an external device to which the actuator is connected at an operating position when power is applied to the actuator, and allows the external device to return to a default position when the power is removed. Include...
11/16/1999
5934776Device for slowing the downwards travel of a vertically sliding wardrobe door
A device for slowing a downward movement of a sliding door of a wardrobe includes a free-wheel consisting of a driving portion and a driven portion. The driven portion is coaxially aligned with the driving portion and is provided with an external toothing...
08/10/1999
5848629Non-rotating awning lock
A lock assembly for an awning roller adapted for having an awning rolled thereon and rotationally supported by a rod includes first and second pawls. The first pawl prevents relative rotation between the roller and the rod in one direction and the second ...
12/15/1998
5827149Electrically operated park lock for automatic transmission
An electrically powered park lock actuator for use with an automotive vehicle transmission. The actuator is mechanically independent from a shift actuator which shifts the transmission between gear ranges, and comprises two high-speed, reversible DC elect...
10/27/1998
5794978Return preventing device and buckle pull-out preventing device
A return preventing device preventing return of an object driven when a vehicle suddenly decelerates includes: a gear receiving drive force of a drive device, which drives the object, so as to rotate in a first direction, and transmitting the drive force ...
08/18/1998
5788025Reversing preventing device
A reversing preventing device for preventing the reversing of an object which is driven during a sudden deceleration of a vehicle includes: a gear which rotates and is connected to a driving member for driving the object; a pawl for preventing rotation of...
08/04/1998
5778650Device for stopping a spindle of a textile machine driven by a drive belt
A device for stopping a spindle of a textile machine driven by a drive belt has a roller for removing the drive belt from contact with the spindle whorl of the spindle. The roller is movable from a rest position, in which the roller is disengaged from the...
07/14/1998
5697476Safety brake
A pair of pawl assemblies is mounted on a shaft. Each pawl assembly includes a pawl, an arm and a hub. The arm is attached to the hub by a pivot, and a spring biases the arm toward the hub. The pawl attaches to the end of the arm, and the surface of the p...
12/16/1997
5690202Overrunning clutch mechanism
An overrunning clutch for a torque converter utilizing a housing having an endless inner surface. A plurality of ratchet teeth are located on the endless inner surface of the housing such that each of the ratchet teeth possess a contact surface. A retaine...
11/25/1997
5647577Brake apparatus for an extendable lift apparatus
A braking mechanism for a winch. The braking mechanism includes a sleeve disposed on a motor shaft. The sleeve has slots at intervals which match and align with the slots in the shaft. The sleeve and the shaft are synchronized by a knob that engages the s...
07/15/1997
5647628Linear one way movement device and passenger seat assembly using the device
A specifically configured linear one-way movement device includes first and second members defining respective first and second linearly extending planar surfaces and a coupling arrangement comprised of a series of linearly spaced first pockets in the fir...
07/15/1997
5542619Fishing reel of the multiplier type
A fishing reel of the multiplier type has a frame, a line spool rotatably mounted in the frame, a brake ring coaxial with the line spool and connected to the frame, and a friction brake device connected to the line spool and adapted, in cooperation with t...
08/06/1996
5540307Rescue system
A centrifugal brake for use with a hoist having a rope wound around a rope drum mounted on a support plate, includes a housing adapted for attachment to the support plate, the housing having a rope wheel mounted on one end of a shaft for rotation with the...
07/30/1996
5346046Automation control with improved operator/system interface
An endless manual control for use in automation systems, such as automated recording consoles, which controls levels and other parameters of audio, video and other signals, by generating, storing, sending and receiving electronic control signals. The cont...
09/13/1994
5325790Rollback-preventing apparatus for a rail vehicle
Rollback-preventing apparatus for a rail vehicle for engaging a toothed rack securely joined to the rail track includes a detent pawl attached to the wheel of the rail vehicle. The detent pawl has a ratchet which is shaped for engagement in the toothed ra...
07/05/1994
5324106Brake for an electric drive motor
A drive motor comprises a motor body (5) for rotating a motor shaft (11) in a predetermined forward direction; a brake engagement surface (30) formed at a projection (14) which is projected from a part of the motor shaft; claw piece (15) which engages wit...
06/28/1994
5226342Linear or circular rachet-type locking device with automatic unlocking and self-locking
The locking device (100) includes a pivoting ratchete (10) and a component (30) that is movable between two extreme stop positions. The pivoting ratchet (10) is symmetrical about a plane including its pivot axis (35), and it includes first and second lock...
07/13/1993
5211414Wheelchair
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
5139214Anti-reverse mechanism for use in fishing reel
A fishing reel including a take-up member for taking up a fishing line about a spool and an anti-reverse mechanism. The anti-reverse mechanism has a stopper gear for restricting rotation of the take-up member in a direction for feeding the fishing line, a...
08/18/1992
4927212Rotary electric drive device for anti-skid braking system
A rotary electric drive device for use in a vehicle anti-skid braking system has a rotary armature supported by a thrust race in relation to a housing. One part of the thrust race has external teeth for co-action with a pawl which is disengaged from the t...
05/22/1990
4836340Anti-backlash device for a pump shaft
The present invention is concerned with an anti-backlash device for a pump shaft comprising an asymmetrical idler (3) pivoting around a fixed axis (4) and an elastic device (5) which produces a restoring force that tends to press the idler (3) against the...
06/06/1989
4796733Oil damper
An oil damper is disclosed which comprises a cylindrical case open at one end and having a first engagement section formed upon the inner periphery thereof, an intermediate rotor having an inner cylinder and an outer cylinder, these cylinders being coaxia...
01/10/1989
4722198Slush or ice cream maker
A machine suitable for placement in a freezer for making slush or ice cream in a cylindrical container. The machine comprises a platform which is lengthwise adjustable, at least four rollers which have an adjustable distance support container, a driving m...
02/02/1988
4685632Clicker-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
4671494Excessive load prevention apparatus employable for a hoist or the like
An overload prevention apparatus includes a geared member with a number of teeth formed thereon, an engagement member including an engagement portion of which dimensions are determined so as to allow the latter to enter the valley on the geared member, a ...
06/09/1987
4646984Retracting tensioning mechanism for dispensing an elongated member
A retracting tensioning mechanism for dispensing an elongated member such as a length of yarn wound on a carrier tube in a creel utilizes a rotatably mounted disk coupled to the carrier tube and having a plurality of outwardly extending, spaced-apart elem...
03/03/1987
4560033Multifunction wheelchair handbrake especially adapted for ramp climbing
A multiposition handbrake for a wheelchair or the like is provided in accordance with this invention, which involves a housing in which an elongate handle is pivotally disposed. A portion adapted to be grasped by the user of the wheelchair is provided abo...
12/24/1985
1    
 
Sign InRegister
Username  
Password   
forgot password?