Class 267/48 - Auxiliary tensioning elements

Subclass of Class 267 - Spring devices
Definition: Device wherein the leaf-spring element comprises one or
No. of patents: 20
Last issue date: 05/01/2007

Number	Title	Issue Date
7210673	Method for relieving spring seat mounting stresses A spring assembly includes a spring seat clamped to a leaf spring at a center portion. The spring seat includes a cutout for distributing clamping stresses in a substantially uniform manner across the leaf spring. The cutout provides a relief for a central portion o...	05/01/2007
7052001	Dual rate leaf spring suspension for utility vehicle A dual rate leaf spring suspension supports a frame member over an axle of a small utility vehicle. The dual rate leaf spring suspension includes a full-length leaf spring and a half-length leaf spring. A spacer plate is the only connection point between the full-le...	05/30/2006
6579047	Guide and support device for small machine tools, in particular for rotating-mass balancing machines It is provided a support and guide device for small machine tools, in particular for rotating-mass balancing machines, comprising: a base element (2), at least one moving element (3) in engagement with the base element (2), support elements (4) for the mo...	06/17/2003
6273441	Vehicle suspension stabilizing device An anti-roll suspension stabilizer for a vehicle having a leaf spring suspension system. The device features an elongated stabilizing spring communicating roll resistance to the attached axle of the vehicle at a center section and concurrent force at each...	08/14/2001
6158723	Stabilizer for leaf spring suspension device A load assistance device for increasing a vehicle's ability to carry loads by stabilizing a multi-leaf vehicle spring connected to the axle of the vehicle including a unitary length of metallic spring material adapted to be connected directly to the multi...	12/12/2000
6062549	Leaf spring stabiliser A vehicle spring stabilizer has a leaf spring with a connector pivotally secured to each end eye thereof, the connector in the form of a rigid yoke to embrace a vehicle spring assembly and having anti-friction structure in the form of a sleeve on a spacer...	05/16/2000
5992831	Stabilizer for leaf spring suspension A leaf spring suspension device for stabilizing a multi-leaf type vehicle spring connected to the axle of the vehicle including a unitary length of metallic spring material adapted to be connected directly to the multiple-leaf type vehicle spring at oppos...	11/30/1999
5035406	Variable rate secondary spring for a primary leaf suspension spring A vehicle spring suspension system comprising a primary spring and a secondary spring attached to the primary spring for aiding the primary spring to restore vehicle height and to carry increasing loads placed on or in the vehicle. The secondary spring is...	07/30/1991
4997202	Suspension system A suspension system in a motor vehicle has a suspension including at least a resilient member extending transversely of the motor vehicle and having one end operatively coupled to a knuckle, the resilient member supporting a vehicle body of the motor vehi...	03/05/1991
4919399	Suspension brake torque reaction leaf A vehicle suspension system includes an elongate dual leaf spring assembly mounted at each end thereof to a vehicle frame member and which is adapted to be engaged over an axle of the vehicle at an approximate midpoint along the length thereof. A brake to...	04/24/1990
4567615	Spring-slat arrangement for a bedstead The arrangement comprises mounting supports for the spring slats, insertable in the longitudinal beams of the bedstead, with two upper spring-slats serving as a support for the mattress and undulating spring-slats situated below them. A tiltable holding p...	02/04/1986
4502391	Railway track working machine equipped with a device for blocking the suspension of its axles A railway track working machine is equipped with a device for blocking the suspension of its axles, which device comprises, for each axle box a movable support sliding in a vertical guide fixed to the machine chassis and vertically displaced by a rod of a...	03/05/1985
4492374	Sporting and exercising spring shoe The invention relates to a sporting and exercising unit which includes a foot receiving member and a spring member attached to and disposed at the bottom of the foot receiving member. The spring member includes a spring-leaf-like portion which forms a clo...	01/08/1985
4463936	Apparatus 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
4433833	Apparatus for controlling the spring constant of a laminated leaf spring assembly An apparatus for controlling the spring constant of a laminated leaf spring assembly includes a clamping mechanism mounted on the laminated leaf spring assembly for clamping the laminated leaf spring assembly in the direction of thickness thereof. The cla...	02/28/1984
4208044	Universal spring stabilizer The universal spring stabilizer of the present invention includes a unitary spring stabilizer which is universally adaptable for use with most passenger car multi-leaf type rear springs. The spring stabilizer includes integral mounting constructions which...	06/17/1980
4090700	Spring assister A device supported by a vehicle frame for engagement with a leaf spring, attached to the rear axle of the vehicle, to increase the resistance afforded by the spring in supporting the rear part of the vehicle frame and the load carried thereby....	05/23/1978
4022449	Leaf spring A leaf spring formed of a stack of spring leaves which are connected only at the spring ends and the spring middle, is provided at each spring end with a device which presses together several spring leaves with a preset, constant and load-independent forc...	05/10/1977
4007949	Vehicle wheel loading bar and mounting arrangement A loading bar is mounted on a leaf spring of a racing vehicle rear axle suspension system to increase traction on the vehicle tires during acceleration. Strut tube and strap members are mounted in a spaced relationship on the vehicle leaf spring rearwardl...	02/15/1977
3953011	Vehicle shock absorber A vehicle shock absorber is provided and includes a cylindrical shaped housing rotatably mounted on a central sleeve on a shaft on a vehicle body. A shock absorber band which assumes a circular shape in the form of a leaf spring is disposed around the ins...	04/27/1976

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Class 267/48 - Auxiliary tensioning elements