Class 267/275 - Helical torsion coil

Subclass of Class 267 - Spring devices
Definition: Spring device wherein the spring element is in the form
No. of patents: 26
Last issue date: 03/18/2008

Number	Title	Issue Date
7344102	Method and apparatus for variable tension cord recoil and tethered user interface Variable tension is applied to a cord as it is drawn from a spool. More tension is applied to the cord as more cord is drawn preventing impulse stress. Cord used to attach user interface device for receiving input and presenting information. ...	03/18/2008
7128191	Actuator assembly An actuator assembly includes an actuator, an output member, and a spring arrangement having at least one spiral return spring. The output member has a neutral position, a first actuated position, and a second actuated position. The neutral position is between the f...	10/31/2006
6978985	Mechanism type non-sectional locking buffer device A non-sectional locking buffer device. The device utilizes a screw ascending and descending principle as a buffering function, wherein ball bearings or outer screw grooves are configured on a central shaft of the buffer device to operate in coordination with inner s...	12/27/2005
6869089	Roll decreasing structure of a suspension for the front and dead axles of a commercial vehicle A roll decreasing structure of a suspension for front and dead axles of a commercial vehicle, wherein an axle is inserted into a body of a mounting member mounted at a frame. A base arm mounted with a wheel attached to an external side of the axle via a key, whereby...	03/22/2005
6762871	Switchable mirror glass using magnesium-containing thin film The present invention provides a switchable mirror material comprising (1) a magnesium thin film having a thickness of 40 nm or less, or a magnesium-nickel alloy thin film having an alloy composition represented by MgNix (0.1	07/13/2004
6575531	Reclining chair with adjustment telescopic tube A reclining chair comprises a telescopic tube assembly connected to a seat for adjusting the inclination of the seat and a backrest, and a lock unit mounted on the telescopic tube assembly for locking releasably an inner tube against an outer tube of the ...	06/10/2003
6527264	Torsion spring for counter balancing weights particularly in sectional doors A torsion spring which is coiled or wound from spring steel wire is provided for counterbalancing weight, particularly in sectional doors. At least one of the two spring ends of the torsion spring has a connection diameter which is reduced with regard to ...	03/04/2003
6453768	Pedal A pedal (2), in particular for a motor vehicle, has a pedal arm (6) which can be deflected at its first end region (8) by a force (4), in particular a foot force, is mounted at its second end region (10) in a manner such that it can pivot about a pivot sp...	09/24/2002
6408970	Cab suspension system for terminal tractors The invention is a mechanical suspension system for cab-over tractors, specifically those used in terminal transport having two front cushion dual suspension components on the front pivot area of the cab to tractor frame connection and a single rear cushi...	06/25/2002
6311578	Pedal A pedal having a pedal arm (3) which is mounted pivotably and is prestressed into an initial position by a restoring spring (5), which is designed as a leg spring, has a frictional damper (7) having a slotted sleeve (8) whose end regions overlap and are p...	11/06/2001
5464197	Torsion spring having an adjustable spring rate A helical torsion spring is provided having an adjustable spring rate. The torsion spring includes a main spring formed from a coil of wire having a first end and a second end. The wire extends away from the first end to form a first arm and away from the...	11/07/1995
5390904	Attenuated hinge spring assembly An attenuated hinge spring assembly for a trunk lid of an automotive vehicle includes a coiled spring which is connected to a bracket secured to the vehicle, a threaded stud which is secured to the bracket, a plate which is slidably mounted on the bracket...	02/21/1995
5370586	Tension regulating device for belt drives There is provided a belt tensioning apparatus for maintaining the tension in the belt of a serpentine belt drive system. The belt tensioning apparatus utilizes a double wrap spiral spring which will approximately double the amount of travel of the tension...	12/06/1994
5168743	Life cycle indicator torsion spring A crimping tool comprises a pair of handles, crimping jaws, dies, and/or die nests, positioned at one end of the handles and in alignment with each other to receive a connector therebetween, a linkage extending between the handles and joining same togethe...	12/08/1992
5167304	Drum brake torsion/compression strut spring The torsion/compression strut spring (60) is disposed about a forked end (54) of a parking brake strut (50) in a drum brake (10). The forked end (54) is received loosely about the web (12A) of an associated drum brake shoe (12) and a parking brake lever (...	12/01/1992
5078371	Device for the resilient and cushioned suspension of a load particularly for a vehicle This device comprises an arm (15) for supporting the load, such as a roller member of a vehicle, articulated about a bearing axle (2), together with a resilient leaf (1) forming a spiral about the axle (2) and a cushioning strip (12) of an elastomeric mat...	01/07/1992
4925164	Coil spring with guide rollers A coil spring has a series of short length plastic rollers received on the spring coils so that the rollers engage either a cylinder wall in which the spring works or a rod received through the spring, or both. The rollers act as roller bearings to preven...	05/15/1990
4901396	Ice discharge apparatus of ice dispenser An ice discharging apparatus of an ice dispenser comprises an openable door normally urged resiliently to a closed state by means of a torsion coil spring and adapted to be openable by a door actuator under the control of a control apparatus. The torsion ...	02/20/1990
4828235	Torsion spring assembly A torsion spring assembly particularly adapted for use in closing the throttle valve of an automotive throttle body or carburetor. The spring assembly includes a torsion spring having a series of intermediate coils and having reduced diameter end coils. T...	05/09/1989
4593882	Zone control valve A zone valve of the type using a heat motor includes a biasing spring that operates on a lever, the lever operating on a valve. The spring includes arms that slidingly engage the lever. The arms each include a bent portion adjacent the point of contact wi...	06/10/1986
4582653	Double coil throttle return spring A double coil spring assembly to serve as a closing force for throttle valves of carburetors or throttle bodies, the spring assembly including an integral spool with inner and outer arbors supported on a closed end to separately support inner and outer co...	04/15/1986
4576762	Throttle return spring assembly A throttle return spring assembly having inner and outer torsion springs contained between end housings is preassembled and then mounted as a unit about a throttle body shaft....	03/18/1986
4571217	Variable pulley structure A variable pulley structure (10) arranged to be mounted to a shaft (17) with at least one of the sideplate elements (14) thereof movably mounted to the shaft for both axial and rotational movement. Disposition of the movable sideplate element (14) is cont...	02/18/1986
4403978	Derailleur for a cycle This invention concerns a derailleur for a cycle, comprising a yoke provided with a chain-guide pinion and a chain-tensioning pinion...	09/13/1983
4027899	Motorcycle trailer A trailer for a motorcycle including a hitch formed of two parallel flat plates attached to the trailer by a hinge having a transversely disposed horizontal axis. Another flat plate is sandwiched between the two parallel plates and the plates are fastened...	06/07/1977
3966181	Suspension spring adjuster In a snowmobile suspension system, it is known to provide suspension system adjustment with an eye bolt-nut combination which provides an increase or decrease in tension in a torsion spring which acts on a suspension arm of the suspension system. This inv...	06/29/1976

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Class 267/275 - Helical torsion coil