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Class 74/97.1 - Snap action


Subclass of Class 74 - Machine element or mechanism
Definition: Mechanism wherein the energy of the driving member is stored
No. of patents: 69
Last issue date: 05/13/2008


1    
NumberTitleIssue Date
7371285Motorized chamber lid
A semiconductor processing chamber having a motorized lid is provided. In one embodiment, the semiconductor processing chamber generally includes a chamber body having sidewalls and a bottom defining an interior volume. A lid assembly is coupled to the chamber body ...
05/13/2008
7196836Rearview assembly having an integral crush zone
A rearview assembly comprising a rearview element, a rearview element support assembly supporting the rearview element and a mount adjacent the housing. The mount is configured to connect the rearview assembly to a windshield. At least one of the rearview element su...
03/27/2007
7152854Spring mechanism and cell contact mechanism for small electronic device
In a cell cover according to the present invention, a compressed coil spring formed by deforming a linear elastic member is fixed to a plate member provided with a raised bent portion as a projection on a first side. The raised bent portion engages with an engagemen...
12/26/2006
7108116Clutch actuator
A clutch actuating apparatus for engaging a clutch on an engine, such as an engine that drives an oil or gas well pump. The clutch actuator includes a first prime mover for rotating a clutch operating shaft in one direction toward a clutch-engaging position, but whi...
09/19/2006
6530294Vehicle control device for agricultural vehicles
A vehicle control device, in particular a clutch mechanism for a tractor, includes a control lever and guide mechanism in which the lever is selectively movable from a first rest position to a second engaged position. The control lever is subjected to the...
03/11/2003
6467371Vehicle control device for agriculture vehicles
A vehicle control device, in particular a clutch mechanism for a tractor, includes a control lever and guide mechanism in which the lever is selectively movable from a first rest position to a second engaged position. The control lever is subjected to the...
10/22/2002
6443029Vehicle control device for agricultural vehicles
A vehicle control device, in particular a clutch mechanism for a tractor, includes a control lever and guide mechanism in which the lever is selectively movable from a first rest position to a second engaged position. The control lever is subjected to the...
09/03/2002
6168120Operator for a railroad implement
An operator for a railroad implement is provided with a linkage which mechanically isolates an actuator from impact forces transmitted through the linkage. Isolation provided by the linkage permits the use of a low power actuators which easily lend themse...
01/02/2001
6145397Simple lift assist module
A compact lifting device whose load arm is fixed to a cover of lid of a processing chamber provides, a tubular pan body with an externally easily adjustable spring counterweight type member passing through the tubular center of the pan body. The spring me...
11/14/2000
6134979Anti-saw-through spring guide and spring retainer
A spring guide and spring retainer for switches or toggle mechanisms with cooperating curved surfaces to decrease the rate of wear....
10/24/2000
5944172Biasing assembly for a switching device
A biasing assembly for a switching device is formed in a modular enclosure that may be mounted on either left or right sides of the switching device. The biasing assembly interfaces with the switching device to rapidly move the switching device between fi...
08/31/1999
5899631Assisted steering linkage for a riding power trowel
A torque applying device for use with a steering mechanism for a riding power trowel, wherein the torque applying device is pivotally attached to a steering lever at the first end, and to the frame of the power trowel at a second end and in longitudinal a...
05/04/1999
5857385Vehicle parking brake
A snowmobile having a lightweight fabricated frame assembly. The frame assembly includes a number of reinforcing elements, some of which comprise heat exchangers for the liquid cooling system of the engine, so as to provide high rigidity and light weight....
01/12/1999
5845530Cam and roller overcenter handle mechanism
An overcenter mechanism (10) includes a housing (12) and a first shaft (14) mounted on the housing. The first shaft has a first axis (34). A second shaft (20) is mounted on the housing and the second shaft has a second axis (41) that parallels the first a...
12/08/1998
5845536Transmission shift control mechanism
A shift control mechanism has a shift tower including a mounting bracket on which a shift lever is mounted to permit fore-aft pivotal movement and transverse pivotal movement. Fore-aft movements provide a ratio selection and transverse movements provide a...
12/08/1998
5839694Luggage compartment system especially for a passenger aircraft
A luggage compartment system especially for a passenger cabin of an aircraft is equipped with shells or bins (2) that are suspended from a support structure forming part of the aircraft body, by a four-bar or four-link system, the journals or pivots of wh...
11/24/1998
5768094Bistable mechanism for collapsing and elevating a keyboard in a portable computer
A notebook computer is provided with a collapsible keyboard in which a dome sheet with elastomeric key return dome members thereon is horizontally shiftable through elevation and retraction strokes to respectively shift the keys between elevated operating...
06/16/1998
5540308Parking lock for vehicle
A parking lock includes a support structure with steerable and rotatable wheels operatively mounted on the support structure. A locking wheel is operatively mounted on at least one of the steerable and rotatable wheel. A locking lever is pivotally mounted...
07/30/1996
5528956Vehicular parking brake control with stored energy assist for applying the brake
A spring acts on an operating member of a parking brake control and, when the brake is released, not only reduces the flyback energy resulting from the release but also stores such energy for use as a power assist during the next application of the brake....
06/25/1996
5520063Displacement mechanism for inside rearview mirror of motor vehicle
A displacement mechanism of a motor vehicle inside rearview mirror having a mirror plate mounted on the frame which is articulated on the lower end of a supporting arm having an upper end connected to an inside ceiling of the motor vehicle, the displaceme...
05/28/1996
5513552Single lever control system with torque-amplifying device
This invention provides a three-function control mechanism that employs a single control lever for controlling a first, a second and a third actuator and which may be used in connection with a bulldozer. A torque-amplifying device is provided for assistin...
05/07/1996
5401096Spring-controlled support arm for a desk top
A desk having a desk top that is movable with respect to a storage compartment under application of an external force through an open position, an intermediate position, and a closed position. A support member is provided to support the desk top as it mov...
03/28/1995
5319169Molded case circuit breaker having rectangular knee pin non-rotatably keyed to toggle linkage
A molded case circuit breaker having an operating mechanism including a collapsible toggle linkage, an operating handle and a movable frame. The collapsible toggle linkage includes a rectangular cross section knee pin non-rotatably held within an open rec...
06/07/1994
5215176Device for operating a clutch, especially an automotive clutch
A device for operating a clutch, especially an automotive clutch, has a clutch lever with two end positions, a past-dead-center spring that acts on the clutch lever, which spring exerts a force on the clutch lever when the clutch lever is positioned betwe...
06/01/1993
5187998Shift lever for automatic transmission
In order to eliminate play between the elements of a shift mechanism wherein when a shift lever is moved toward control wire, the control wire is moved toward the shift lever and versa. A torsion spring which produces a force greater than the force which ...
02/23/1993
5165486Implement lock-up system with shock-absorbing cushion springs
An automatic implement lock-up system with shock absorbing cushion springs for releasably raising and lowering implements mounted to a vehicle. An implement is pivotally attached to a vehicle mounting bracket via an implement support arm. A lock-up bracke...
11/24/1992
5154239Reversible plow with spring-biased trip shanks
A reversible plow having a plurality of spring-biased trip assemblies for mounting moldboards to a tool bar, the trip assemblies having angled, elongate slots and a pivot pin extending therethrough and adapted to allow a tripped assembly to be reset witho...
10/13/1992
5144857Steering mode selector assembly
The improved steering mode selector assembly includes a selector member having a slot, a carrier and a selector lever mounted on such carrier. The selector lever is movable along the slot between a first position, a second position and a third position, e...
09/08/1992
5123291Snap-action spring drive for load-reversing switches of multiple contact switches
Snap-action spring device for load-reversing switches of multiple contact switches whose spring can be loaded by a drive. In conventional load-reversing switches, a gear moves a cam disk to and fro between two end positions, so that the contacts which clo...
06/23/1992
5105673Setting-up apparatus of over-centering coil spring
A setting-up apparatus of over-centering coil springs comprises a base plate having a first opening, an oscillating member having a second opening and journalled on the base plate so as to be displaced between a first position and a second position, a coi...
04/21/1992
5092639Lock requiring reduced opening force
The lock is formed from a fork which engages a striker pin and is itself engaged at one end by a catch; its main characteristic is that between the fork and catch there is interposed a rotatable insert which pivots at one end against the catch and is arra...
03/03/1992
5076645Armrest for vehicle seat
An armrest for a vehicle seat, wherein armrest is rotatable between a use position for supporting an arm of an occupant and non-use position where the armrest body stands upright along the vertical direction of the seat back of the seat, under the force o...
12/31/1991
4867289Vehicle brake lock having throttle pedal release
A brake lock system for a motorized wheeled vehicle having a throttle pedal and a primary brake pedal operable to effect braking of the vehicle, includes a brake lock pedal supported proximate the primary brake pedal to enable actuation by the operator du...
09/19/1989
4845324Interrupter operating mechanism
Apparatus for opening and closing a switch, which apparatus comprises a lever mounted on a frame for pivotal movement between a first position and a second position, a first spring biasing the lever from the second position to the first position, a cam an...
07/04/1989
4798922Spring actuated latch, load and trip mechanism for switchgear
Improved blade-type, air dielectric switchgear apparatus is provided having spring loaded, fast acting, operator independent mechanism for selective opening and closing of internal switch contacts. Preferably, the operating mechanism includes a pair of op...
01/17/1989
4761524Switch operating mechanism
A switch operating mechanism for a multi-position switch utilizes a stored energy member to store input energy applied to the mechanism and then release the stored energy to move an associated switch responsive to a predetermined input to the mechanism. A...
08/02/1988
4743721Circuit breaker actuator device
A circuit breaker actuator device of the type comprising an operating wheel (R) whose rotation drives the moving circuit-breaking members, said wheel being connected to a first spring (S'1) by a first chain (C1) passing over a first pulley (P1) and fixed ...
05/10/1988
4741477Air-conditioning control apparatus
An air-conditioning control apparatus for an automobile, in which an angle of opening and closing an air-mixing door is varied to thereby set a temperature of output air, has an operating lever formed with a switch operating portion for switching an intak...
05/03/1988
4723933PTO linear control latch
A linear control latch assembly controls the clutching operation of a power take-off system. A driving means produces kinetic mechanical energy which is taken off by a power take-off means. Clutch means effects a union between the driving means and the po...
02/09/1988
4718605Reversible gear oscillating sprinkler
A gear driven oscillating sprinkler head includes a reversible gear train for transmitting drive from a drive motor to the oscillating sprinkler head with a shifting mechanism, including a shiftable carrier on which a pair of driving pinions are mounted f...
01/12/1988
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