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Class 267/262 - Sliding


Subclass of Class 267 - Spring devices
Definition: Spring device wherein the connecting structure constrains
No. of patents: 25
Last issue date: 04/22/2008


NumberTitleIssue Date
7360778Traction device
A traction device for a motor vehicle provides a rear support assembly positioned proximate to a rear axle and an adjacent portion of a leaf spring and a front rocker support assembly. The front rocker support assembly includes a front leaf spring bracket assembly a...
04/22/2008
7249780Air assist adaptation for leaf spring suspension systems
An air spring and a linear guide are used to boost the effectiveness of a leaf spring suspension system for a motor vehicle. The air spring mounts between the axle and the vehicle frame. The aft end of the leaf spring mounts to the linear guide to allow the leaf spr...
07/31/2007
7210673Method 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
6619637Leaf spring arrangement for automotive vehicle
A suspension spring arrangement for a vehicle having an upper elongated spring leaf (12) and a lower elongated spring leaf (14) with an upper elongated spring leaf (12) is provided with a slot (22) and a lower elongated spring leaf (14) is provided with a...
09/16/2003
5531284Powered wheelchair with a detachable power drive assembly
A wheelchair (20) including a wheelchair frame (22) and a seat assembly (24) carried by the wheelchair frame (22). A detachable power drive assembly (32) having power driven wheels (40, 40') is releasably coupled to the wheelchair frame (22) and is mounte...
07/02/1996
5251886Semi-elliptical spring suspension with automatic spring rate varying capacity
A semi-elliptical spring suspension system is provided in conjunction with a trailing arm and the suspension system may be readily mounted from the longitudinal side members of a vehicle frame. The suspension system semi-elliptical spring comprises a comp...
10/12/1993
5228665Leaf-spring assemblies
A leaf spring assembly comprised of at least three leaf springs, at least one of the leaf springs having a rolled over portion for the spring eyes and wherein the leaf springs are prevented from lateral shifting or splaying by rib guides and grooves forme...
07/20/1993
5219151Floating leaf spring separator pad and method for installing same
A separator pad is loosely positioned between a leaf spring end and a top wall of a mounting slot in a vehicle spring hanger. The separator pad is preferably slid between the spring end and the slot top wall when the load on the leaf spring is relaxed or ...
06/15/1993
5193642Engine mounting apparatus for vehicle
An engine mounting apparatus for a vehicle comprises an arm member projecting from an engine, a shell member mounted to the arm member, an insulator made of a relatively soft elastic material and received in the shell member, and a pin inserted into the i...
03/16/1993
5039071Running gear of a railway vehicle
Running gear (1) of a railway vehicle, which is suspended on the undercarriage (2) of the railway vehicel by blade support springs (3) and suspension attachment (8), with the additional arrangement of an additional blade spring as absorption spring (12); ...
08/13/1991
4969634Attachment of components to composite members
When attaching components to composite members, for example leaf springs of composite fibre reinforced resin material, it is necessary to avoid stress concentrations and also the access of foreign matter between the spring and the component since this can...
11/13/1990
4887802Leaf spring assemblies
A leaf spring of composite material has a slipper end assembly comprising two members engaging opposite surfaces of the spring leaf and extending beyond the free end of the spring leaf where they are secured together. Away from the free end of the leaf th...
12/19/1989
4865250Automotive oil level control valve apparatus
A fluid level control valve has a base with an aperture formed therein. A cover is slidingly disposed over the aperture and is biased by a thermostatic element in a direction tending to close the aperture. The thermostatic element is an elongated strip ha...
09/12/1989
4763921Compound axle assembly
A compound axle assembly having two or more wheel axles for trailers, the wheel axles of which are supported by longitudinal guides and are spring-suspended by pairs of leaf type springs, the central portions of which are connected to the axle bodies. The...
08/16/1988
4505459Leaf spring assembly for a vehicle
A spring assembly for a vehicle having a "slipper" connection between a main leaf spring and a boot comprises a lower additional leaf spring mounted on the boot and having a hooked free end which bears upwards against the end of the main spring, and engag...
03/19/1985
4502707Tandem axle suspension system
A 4-spring, tandem axle suspension system comprising a pair of semi-elliptic compound leaf spring assemblies positioned on each side of the vehicle frame in fore-and-aft alignment. The remote ends of each pair of leaf springs are retained by engagement wi...
03/05/1985
4458918Rear wheel suspension with a transverse leaf spring
A rear wheel suspension for a motor vehicle having front wheel drive includes a telescopic strut rigidly mounted to a wheel support member and having its upper end pivotably mounted to the vehicle chassis. Two laterally extending control arms are pivotabl...
07/10/1984
4412690Suspension system
A leaf spring suspension system for supporting a vehicle is disclosed wherein one end of the spring is longitudinally moveable in load-transferring relationship with the vehicle at varying longitudinal positions along the vehicle frame. Thus, regardless o...
11/01/1983
4371189Heavy vehicle suspension assembly with free floating springs and axle stabilizing torque rod
A first embodiment of a leaf spring suspension assembly for a tractor trailer or the like having single or multiple axles includes a first and second hanger with a camelback spring slidingly secured to an axle bracket assembly with a single torque rod ext...
02/01/1983
4220349Trailer vehicle
The vehicle, such as a trailer, is of the type comprising a platform assembled with a chassis provided with coupling means. The platform-chassis assembly is carried by at least one set of wheels provided with springs. The chassis is angularly movable rela...
09/02/1980
4195859Vehicle suspension
A vehicle suspension system capable of accommodating considerable upward and downward movement of individual wheels and having a lever which is pivotable relative to the chassis about an axis extending longitudinally of the vehicle against the action of a...
04/01/1980
4175772Vehicle suspension system having auxiliary spring for lightly loaded conditions
A vehicle suspension system in which an auxiliary spring having a lower spring rate than the mainspring provides a resilient ride under empty or lightly loaded conditions by urging the mainspring toward the lower limit of its vertical travel. The auxiliar...
11/27/1979
4061363Trailer suspension
A trailer suspension and chassis suspension for resisting deflection of tracking of a wheel and including at least one pair of Y-shaped wheel frames each of which has a wheel axle projecting from the joined ends of two diverging frame members, longitudina...
12/06/1977
4033606Vehicle tandem suspensions
An equalized suspension system is provided for the truck of a truck-trailer combination of the tandem axle type. The suspension on each side of the vehicle includes independent semi-elliptic leaf springs mounted in tandem relationship one behind the other...
07/05/1977
3933367Dual leaf spring suspension
For a motor vehicle suspension of the type including dual leaf spring assemblies and a connecting rocker arm, a pair of elongated generally coextensive downwardly arched leaf springs in laminar coactive load-supporting relation include a front end attachm...
01/20/1976
 
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