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Class 280/793 - X-frame type


Subclass of Class 280 - Land vehicles
Definition: Apparatus having members which form an X as the frame
No. of patents: 13
Last issue date: 08/16/2011


NumberTitleIssue Date
7997619Track frame for work machine
A track frame in which stress concentration caused by a work load is avoided and that has increased strength. These are achieved by reducing the weigh of connection legs and providing sufficient welding length for joint surfaces for joining the connection legs. The ...
08/16/2011
7273230Tension shackle x-brace
The present invention provides a device for reinforcing the rear end of a vehicle having a ladder-type frame. The device includes a first bar that is adapted to be secured between the left side rail and right suspension attachment of the vehicle frame and a second b...
09/25/2007
7246821Wheelchair
A wheelchair has a width that can be adjusted. The wheelchair has a pair of side frames connected to each other by one or more X-frame(s) (11). The X-frame (11) has a pair of rotatable arms connected rotatably to each other at their respective centers,...
07/24/2007
7198298Movable subframe for semi-trailers
A movable subframe or slider for semi-trailers includes a pair of spaced-apart, parallel and longitudinally extending main members. The main members are interconnected by a pair of longitudinally spaced, parallel and transversely extending horizontal cross members, ...
04/03/2007
7156421Composite cross member system
In a frame for an over the highway or off-highway truck or tractor, the frame includes a first and second frame rail and a composite cross-member comprising a first sheet, a second sheet and a core material sheet positioned between the first and second face sheet. T...
01/02/2007
7090290Motor vehicle
A motor vehicle in which a floor of the body is reinforced by reinforcing struts arranged in V shapes, in which a body with a high rigidity is achieved by mounting the rear end-area ends of rear reinforcing struts arranged in a V-shape on a connecting area on the bo...
08/15/2006
7055837Strut/shock crossmember
A crossmember device is provided which is adapted to be installed between a pair of strut/shock towers of a vehicle. The crossmember device includes a left brace and right brace each having an upper, intermediate and lower portion. The left and right brace are inter...
06/06/2006
7036834Air ride suspension
This invention generally relates to devices for an air ride suspension system for one or two axle light duty trailers. More specifically, this invention relates a novel air ride suspension system for light duty trailers that eliminates the need for leaf springs, dis...
05/02/2006
6000712Folding collapsible golf cart
A folding collapsible golf cart includes a U-shaped base frame, a U-shaped upright frame pivoted to the base frame and turned between a horizontal position and a vertical position, a brace member pivoted to the base frame for supporting the upright frame ...
12/14/1999
5417454Frame reinforcement means
A device is disclosed for assisting in maintaining the structural rigidity of an automobile frame. It comprises a beam member having spaced apart ends each of which is adapted for attachment to a frame rail of a selected automobile frame at the point of a...
05/23/1995
4941680Multipurpose chassis for commercial and special vehicles
For commercial and special vehicles, such as e.g. weapon transporters, mobile radar stations, mobile satellite control stations and mobile cranes, which must carry very considerable weight, very robust chassis are required. The inventive chassis (1) has a...
07/17/1990
4274654Strut for MacPherson-type suspensions for motor-vehicles
A strut for MacPherson-type suspensions for motor-vehicles comprises an upper tubular member of sheet metal which forms the cylinder of a telescopic shock absorber, and a sheet metal housing having an upper wall with a circular aperture. An additional rei...
06/23/1981
4106789Motor vehicle suspension system
An independent torsion suspension system for a motor vehicle is disclosed. The suspension system incorporates two curved crossover members which cross each other at at least one point but which are preferably not connected to each other at the crossover p...
08/15/1978
 
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