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Class 267/214 - Friction surface formed on or biased by additional spring


Subclass of Class 267 - Spring devices
Definition: Spring device including a second element which exhibits
No. of patents: 12
Last issue date: 01/29/2008


NumberTitleIssue Date
7322568Damping spring for use in agricultural implements
A damping spring assembly particularly but not exclusively useful for damping the motion of rake wheels in agricultural wheel rakes. The damping spring includes a pair of extended U-bolts and a coil compression spring. The extended U-bolts are connected to spring ho...
01/29/2008
7260971Apparatus for locking a sheet of metal suitable to be shaped in a press
An apparatus for locking a sheet of metal to be shaped in a press, comprising at least one fluid-operated actuator for translational motion of a first sheet presser, adapted to support, in an initial operation step a sheet of metal to be shaped, arranged above a fir...
08/28/2007
6910681Retaining U-bolts to a tubular axle housing
A tubular axle housing is provided with pairs of tabs that protrude or extend from the axle to a height or length sufficient to prevent the intermediate section of a U-bolt from sliding over the tab. The tabs also help locate and guide the U-bolt between the tabs du...
06/28/2005
6520493Lift support strut with directional damping
A lift strut with directional damping comprising a housing comprising a wall that defines a housing chamber, the housing defining an axis; spring means located in the chamber; piston means movable through the chamber along the axis in a first direction an...
02/18/2003
6361664Method of reducing corrosion with electrical charge
A vehicle system component is provided with an electrical charge to resist corrosion. Preferably, the electrical charge is generated by movement of components adjacent to the suspension component. Friction surfaces may be placed in contact with each other...
03/26/2002
5655632Damper device for a mechanical system
A damper device comprising a first and second assembly suitable for guided relative displacement. The first assembly is supported stationarily with respect to a reference. The second assembly is supported for guided relative displacement with respect to t...
08/12/1997
4763882Coated coil spring
A coated coil spring wrapped in a coating member prepared from a soft synthetic resin foam, wherein the coating members of the respective coil spring turns constituting at least the effective region of the coil spring are provided with a helical clearance...
08/16/1988
4463936Apparatus for controlling friction between the leaf springs of a laminated leaf spring assembly of a vehicle
An apparatus for controlling the friction between the leaf springs of a laminated leaf spring assembly comprises a clamping mechanism, a hydraulic cylinder mechanism, a hydraulic control mechanism and a detecting mechanism. The clamping mechanism includes...
08/07/1984
4456232Apparatus for controlling friction between leaf springs of a laminated leaf spring assembly
An apparatus for controlling friction between the leaf springs of a laminated leaf spring assembly comprises a clamp. The clamp includes a spring supporting member and a pressure member which clamp the laminated leaf spring assembly therebetween. The appa...
06/26/1984
4452435Apparatus for controlling friction between leaf springs of a laminated leaf spring assembly
An apparatus for controlling friction between the leaf springs of a laminated leaf spring assembly comprises a clamp mounted on the laminated leaf spring assembly for clamping the assembly in the direction of its thickness, and a hydraulic cylinder urging...
06/05/1984
4358096Vehicle suspension system
A spring and damper suspension system which comprises one or more elastomeric spring elements in compressive load bearing relation to the members to be supported. A tubular housing surrounds said spring elements and supports a frictional surface or surfac...
11/09/1982
4304397Two-shoe draft gear
A draft gear is described as having rubber cushion pads and a friction clutch with a wedge and two friction shoes. The housing of the draft gear is provided with strategically located openings through which bars can be passed to neutralize the spring forc...
12/08/1981
 
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