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Class 267/248 - Coil spring


Subclass of Class 267 - Spring devices
Definition: Spring Device wherein the spring element comprises a coil-spring*.
No. of patents: 38
Last issue date: 06/26/2007


NumberTitleIssue Date
7234664Draw spring linkage, particularly for light aircraft
A draw spring linkage includes a hollow rod formed with a shoulder structure at the first end of the rod and with a slot that extends longitudinally of the rod and is located between the shoulder structure and the second end of the hollow rod. A tongue member includ...
06/26/2007
7140337Valve gear mechanism
In a valve gear mechanism of an internal combustion engine, there is provided a valve opening and closing a combustion chamber, a spring device which generates a force pressing the valve toward a valve seat, a drive mechanism driving the valve in an opening directio...
11/28/2006
7104560Stabilizer and air leaf suspension using the same
Disclosed are a stabilizer with conventionally unattainable, extreme swift effectiveness and an air leaf suspension using the stabilizer. The stabilizer has a stabilizer bar 18 which is U-shaped when seeing from above and which has a portion 18a
09/12/2006
6962378Adjustable safety bumper
A fully adjustable bumper system that absorbs impact and thereby, avoiding damage to the bumper. The bumper system includes a bumper assembly mounted to a vertically pivoting assembly through horizontally and vertically adjustable assemblies. A stop assembly is atta...
11/08/2005
6883790Coil spring with lateral bias
The invention comprises a vehicle strut assembly. A strut has a first seat mounted to the strut and a second seat mounted to a vehicle body. A spring is mounted between the first seat and the second seat and is disposed around the strut. The spring has a compressed ...
04/26/2005
6543757Helical compression spring for a vehicle suspension
The present invention is directed to a helical compression spring which is mounted on a vehicle body to be compressed between an upper seat and a lower seat. The spring is formed to provide an end coil center line connecting the centers of an upper end co...
04/08/2003
6193225Non-linear non-circular coiled spring
A non-linear non-circular coiled spring comprises a first coil portion of rectangular cross-section having a lateral length "a" and a longitudinal length "b", a second coil portion of rectangular in cross-section having a lateral length "b" and a longitud...
02/27/2001
6082748Wheel suspension for motor vehicles
A wheel suspension for motor vehicles, particularly passenger cars, has a wheel control link extending in the transverse direction of the vehicle. On its end away from the wheel, the transverse control link is coupled to each of a spring element and an in...
07/04/2000
5839742Cam operated vehicle suspension system
A suspension system with a contained force system which concentrates loads in the suspension geometry control elements. The suspension system permits elimination of large, heavy load bearing structures in remote areas of the vehicle, use of a compact, mod...
11/24/1998
5782484Short long arm independent suspension
A vehicle wheel suspension for steerable drive wheels has a wheel carrier with a tie rod to steer a wheel. A strut assembly is present which is coupled with a mounting member. A lower arm, which has two legs, each leg having an end to be coupled with the ...
07/21/1998
5620173Double-acting distributed pressure vibration proof structure
A double-acting distributed pressure vibration proof structure is comprised of three or more than three relatively iter-linked bodies, whereof each inter-linked body is coupled with the respective end joint hinges and the middle joint hinge to the V-shape...
04/15/1997
5364114Vehicle steering and suspension system
A steering and suspension mechanism for use with a vehicle (1) and including a steering gear (14) interconnected to a steering wheel (8) through a series of universal joints (10, 11, 12, 13, 87). An output of the steering gear (14) is connected to a Pitma...
11/15/1994
5244190Vehicle wheel suspension method
The invention has for its object a suspension with dynamically variable flexibility or stiffness. The suspension process uses one or several elastic elements mounted opposite each other, so as to impress on the vehicle suspension a variation of stiffness ...
09/14/1993
4778162Device for connecting a helical compression spring to the trailing arm in the wheel suspension of a motor vehicle
A device for connecting a helical compression spring to the trailing arm in the wheel suspension of a motor vehicle. Bending stresses on the spring are prevented by supporting it on the trailing arm through a support that is mounted in a bushing rigidly a...
10/18/1988
4742962Device for suspension of a distributor bar for spreading plant-protective liquids
This invention relates to a device for suspension of a distributor bar for spreading plant-protective liquids, wherein it comprises two symmetrical elements each composed of--a connecting rod pivoting with respect to the frame;--a bent rocking lever of wh...
05/10/1988
4715614Vehicle rear-suspension system
A vehicle rear-suspension system comprises a trailing arm one end of which is connected to the vehicle body by way of a resilient bushing for up-and-down pivotal movement, a wheel hub for supporting a rear wheel for rotation, a ball joint connecting the w...
12/29/1987
4715615Vehicle rear-suspension system
A trailing arm type rear-suspension system having a trailing arm which is connected to a wheel hub for supporting a rear wheel for rotation at one end and to the vehicle body for vertical pivotal movement at the other end by way of a resilient bushing is ...
12/29/1987
4682760Constant force cable self adjusting device
A constant force self adjusting cable control device comprising a first member and a second member pivoted to one another about a pivot point, a tension spring connected to the first and second members and yieldingly urging the first and second members in...
07/28/1987
4653604Suspension and or shock-absorbing device for a support arm of a vehicle wheel
Suspension and/or shock-absorber device of a rotary support arm of a vehicle wheel such as the rear wheel of a motorcycle, comprising disposed on one side of the support arm, a three arms lever mounted rotary-wise on a lever axle integral with the chassis...
03/31/1987
4652009Rear suspension system for vehicle
In a rear suspension system, a suspension mounting frame extends in the transverse direction of the vehicle body and is supported on the vehicle body at the right and left ends thereof by way of resilient material bodies. A pair of trailing arms pivoted o...
03/24/1987
4640500Inherently effectively damped coiled spring
The present invention relates to an improved inherently effectively damped coiled spring construction including a first coiled spring having a pair of ends, and a second coiled spring having a pair of ends, the second coiled spring being in the form of at...
02/03/1987
4603882Vehicle rear suspension mechanism
A vehicle rear suspension mechanism capable of producing a toe-in displacement under a side force, a brake force, an engine brake force and an engine drive force to obtain a stabilized steering property. The mechanism includes a suspension member connecte...
08/05/1986
4566717Light trailer with independent wheel suspensions
A motorcycle trailer with two independently suspended wheels has a frame comprised of front and rear U-shaped members. The legs of the rear one project forward between the rearwardly projecting legs of the front one and are secured at their front ends to ...
01/28/1986
4561640Wheel suspension system
In wheel suspensions of automotive vehicles, equipped with a wheel suspension system comprising a coil spring, a specific mutual association is required for functional reasons for the individual components of the wheel suspension, forcing constructional c...
12/31/1985
4542920Vehicle rear-suspension mechanism
A body side support member such as the semi trailing arm of a semi trailing type rear-suspension, the strut of a strut type rear-suspension or the like is connected to a wheel hub for a rear wheel by way of a resilient connecting means such as a pair of r...
09/24/1985
4536007Vehicle rear suspension mechanism
A vehicle rear suspension mechanism capable of producing a toe-in displacement under a side force, a brake force, an engine brake force and an engine drive force to obtain a stabilized stearing property. The mechanism includes a suspension member connecte...
08/20/1985
4530513Vehicle rear suspension mechanism
A body side support member such as the semi trailing arm of a semi trailing type rear-suspension system, the strut of a strut type rear-suspension system and the like is connected to a wheel hub for a rear tire by way of a ball joint and a pair of rubber ...
07/23/1985
4529221Vehicle rear suspension mechanism
A body side support member such as the semi trailing arm of a semi trailing type rear-suspension system, the strut of a strut type rear-suspension system and the like is connected to a wheel hub for a rear tire by way of a ball joint and a pair of rubber ...
07/16/1985
4529223Vehicle rear-suspension mechanism
In a rear-suspension mechanism for vehicle, each wheel hub for a rear wheel is supported on a body side support member such as the semi trailing arm of a semi trailing type rear-suspension, the strut hub of a strut type rear-suspension or the like by way ...
07/16/1985
4529222Vehicle rear suspension mechanism
A vehicle rear suspension mechanism capable of producing a toe-in displacement under a side force and an upward bump force, and possibly under other forces to obtain a stabilized stearing property. The mechanism includes a suspension member connected with...
07/16/1985
4526400Vehicle rear suspension mechanism
A vehicle rear suspension mechanism capable of producing a toe-in displacement under a side force, a brake force, an engine brake force and an engine drive force to obtain a stabilized steering property. The mechanism includes a suspension member connecte...
07/02/1985
4516640Rotary drill bit
The present invention relates to an improved rotary drill bit having a bit body with at least one bearing pin attached thereto for rotatably carrying a roller cutter over a bearing system. The bearing system includes at least a forward bearing and a rear ...
05/14/1985
4497500Spring action ride-on toy
An animal-simulating child's ride-on toy has head and foreleg members that are capable of being turned independently of the body, and has a unique suspension system that is accommodated in the body without disfiguring structure, thereby enhancing the life...
02/05/1985
4466635Vehicle suspension mechanism
A suspension mechanism for a wheeled vehicle, comprising a suspension arm having a pair of arm portions aligned with each other in a lateral direction of the vehicle body and pivotally connected to the vehicle body for being rockable about a first axis fi...
08/21/1984
4190263Wheelchair with shock absorber
The invention consists of a device which can be mounted on a conventional wheelchair to provide shock absorbing qualities to the wheelchair. Each wheel on the wheelchair is removed from its standard mounting position with a shock absorbing device of this ...
02/26/1980
4168086Radius arm support for a driving axle
A vehicle suspension system is disclosed which has radius arms for connecting an axle assembly to a frame to accomodate the necessary relative movement therebetween. An improved connection is provided for rigidly securing the radius arms to the axle assem...
09/18/1979
4077619Helical compression spring made of wire of circular cross section, especially for use in motor vehicles
A helical compression spring having a partially progressive characteristic which has a cylindrical portion of constant wire thickness coterminously and integrally joined to a truncoconical portion whose coil of greatest coil diameter is disposed away from...
03/07/1978
4029338Twin trailing link rear suspension system
A twin trailing link suspension system for nonsteerable solid rear axles wherein each link has a one-point connection with the vehicular frame and a vertically aligned two-point connection with the rear axle for reduced weight and complexity....
06/14/1977
 
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