Class 267/41 - Cantilever

Subclass of Class 267 - Spring devices
Definition: Device wherein the spring element is connected at one end
No. of patents: 35
Last issue date: 11/06/2007

Number	Title	Issue Date
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
6945551	Trailer hitch cover assembly A trailer hitch cover assembly for a hitch receiver including a main body operatively connected to a hitch tube and adapted to allow insertion of a hitch into the hitch tube. The trailer hitch cover assembly also includes an insulating member disposed between the ma...	09/20/2005
6857647	Vehicle suspension system An air spring suspension for a rear axle of truck is stabilized using a trailing link constructed from a hollow, rectangular tube. The air spring is positioned between a portion of the trailing link extending beyond the rear axle and turning inwardly on the vehicle ...	02/22/2005
6811169	Composite spring design that also performs the lower control arm function for a conventional or active suspension system The present invention includes a flexible, resilient composite spring pivotally connected to the vehicle wheel assembly by standard means such as a ball joint and knuckle. The composite spring is formed having a sinusoidal profile with rectangular cross-section pref...	11/02/2004
6764087	Cargo carrier suspension A cargo carrier suspension for installation on a cargo carrier having a seat and wheels, skis or rollers on which the seat rides, the cargo carrier suspension comprising: a leaf spring connectable on a cargo carrier between the seat and the wheels, skis or rollers, ...	07/20/2004
6688586	Integral transverse spring-axle An integral transverse spring-axle combines the functions of both an axle and a suspension by locating the wheels laterally and longitudinally, in the manner of an axle, and allowing vertical displacements of the wheels, in the manner of a suspension. Thi...	02/10/2004
6672606	Suspension for personal mobility vehicle An improved suspension system is disclosed for a personal mobility vehicle comprising an arm assembly pivotably mounted to a fame section. A wheel assembly is connected to the arm assembly. A spring is interposed between the arm assembly and the second fr...	01/06/2004
6406007	Leaf spring assembly having full-leaf leaf spring component and half-leaf leaf spring component A leaf spring assembly for use as an active component in vehicle suspension systems includes a full-leaf leaf spring component and a half-leaf leaf spring component connected thereto. The full-leaf leaf spring extends substantially the entire length of th...	06/18/2002
6341657	Suspension for central drive vehicle A central drive personal mobility vehicle is disclosed comprising a frame having a right and a left frame mounting located in a trailing frame portion of the frame with a seat being mounted to an intermediate portion of the frame. A right and a left leaf ...	01/29/2002
6332618	Double sided gasket A metal gasket for preventing leakage of radio frequency signals when mounting shielded radio electronics includes gasket body having a first surface and an opposite second surface and a plurality of spring arms. Each spring arm includes a free proximal p...	12/25/2001
6076421	Shift-lever devices with support for plate spring A shift-lever device includes a shift lever rotatably supported to a casing, a restraining lever rotated with the shift lever and formed with a groove, a plate spring having one end pressed on the groove of the restraining lever and a middle portion betwe...	06/20/2000
5531284	Powered 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
5478104	Cantilevered leaf spring assembly A cantilevered leaf spring suspension is disclosed for two separate pairs of wheels (16) which are independently sprung from each other via free ends of respective leaf springs (20) cantilevered from a cross beam (18) of the frame (12) of the top dresser ...	12/26/1995
5358210	Device for filtering vibration, and a fixing system comprising a plurality of such devices for fixing a load on a support The invention relates to a vibration-filtering device and to a system for fixing a load on a support by means of a plurality of such devices. The device of the invention for fixing a load on a support comprises: a first fastening zone including fastening means for ...	10/25/1994
5351774	Powered 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...	10/04/1994
5301931	Suspension device for a perambulator, comprising a composite strip of variable stiffness A device for slow speed and lightweight vehicles, which includes a body fixed on an underframe of the vehicle, a support articulated on the body, and a spring elastically linking the body and the support, wherein the spring is a composite strip fixed at o...	04/12/1994
5251886	Semi-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
5226634	Platform spring A resilient spring defining a platform surface (250) and including a pair of side-by-side spring arms (244) extending in a common axial direction from the platform surface. Each of the spring arms defines an end (252) in an adjacent relationship to the ba...	07/13/1993
5129672	Suspension system for a vehicle A suspension system comprising a pair of fiber reinforced plastic spring arms, right and left, and a beam assembly connecting the respective free ends of the arms, said springs arms having a free-end-side portion and being vertically bendable, each spring...	07/14/1992
4993695	Flexible strut assembly A flexible strut device for supporting a pair of lifter wheels for a sugar beet harvester includes a mounting bracket secured to the tool bar of the sugar beet harvester. A fixed fulcrum plate is secured to the mounting bracket and is secured to a movable...	02/19/1991
4948162	Tail wheel spring arm assembly A mechanism for connecting a trailing wheel to an implement, incorporates a spring arm which will absorb shock. The tension on the spring is adjustable....	08/14/1990
4927171	Vehicle suspension system A vehicle suspension unit has two arms joined together at one end by a cr-member. Each arm is formed from two fiber reinforced plastic springs separated by the cross-member at the end, by a spacing member of resilient material, and secured together at an...	05/22/1990
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
4773631	Mounting device for a resilient leaf made of a composite material working in flexure Mounting device for a resilient leaf made of a composite material working in flexure having in its vertical plane of symmetry and over at least a part of its length, a thickness increasing towards one of its ends, and in its horizontal plane, a width decr...	09/27/1988
4717131	Welding clamp The welding clamp is used to hold a first metal structure against a second metal structure for welding both structures together. A mounting bracket means having longitudinal rod means extending therefrom is temporarily tack welded to the first structure t...	01/05/1988
4687224	Dual offset cantilevered spring suspension A vehicle suspension system is provided with dual offset cantilevered leaf springs. A forward and a rearward extending leaf spring are both mounted to a vehicle axle in a longitudinally overlapping transversely offset manner. The forward and rearward spri...	08/18/1987
4576389	Cart for transporting shock sensitive loads, or unstable loads A cart with extensible axles for transporting shock sensitive loads, computers, luggage and the like, which cart is provided with a wheel base that is adjustable to fit the various sizes and weights of the loads supported on the cart. In a first embodimen...	03/18/1986
4448131	Suspension system for rail vehicles A suspension system for rail vehicles which have at least two wheelsets hng axles which are supported in a frame and within which a cross member extends parallel to the axles. The cross member is supported in the vehicle frame in a spring-cushioned manne...	05/15/1984
4422666	Suspension mechanism for automotive vehicles A vehicle suspension system comprises a combination of cantilevered spring members which extend in opposite directions across the front and rear ends of the vehicle and are supported between upper and lower bearing members which are spaced to regulate the...	12/27/1983
4196918	Utility trailer frame assembly A knock-down utility trailer frame and suspension system characterized by an elongated hollow spine adapted to extend lengthwise of a trailer body, and a trailer hitch draw tongue carried within the spine and slideable longitudinally therein between exten...	04/08/1980
4180881	Folding transportable boat A folding boat comprising two sections, one of which may be folded back on the other for transportation, said boat being preferably formed by molding resin-impregnated fiberglass and including a frame embedded in the lower of the two folded sections and b...	01/01/1980
4154349	Excavating implement stabilizer A loader bucket is provided with a plurality of leaf springs appended to the bucket for interaction with the bucket support linkage. The leaf springs impose forces on the bucket link pins preventing undesirable movement between the bucket and the support ...	05/15/1979
4134604	Vehicle suspension A retractable tag axle assembly, including a hydraulic cylinder for up-and-down reciprocation of the tandem axle, is provided with structure for protecting the cylinder against damage from shock forces imparted to the suspension spring through the ground-...	01/16/1979
4093197	Leaf spring suspension A pair of leaf plate members. A seat support structure includes upper and lower housing members with scissors linkage members extending therebetween, one leaf plate member being attached to the scissors linkage members and the other being attached to the ...	06/06/1978

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Class 267/41 - Cantilever