Class 267/47 - Structure

Subclass of Class 267 - Spring devices
Definition: Device limited to the structure of the leaf-spring element,
No. of patents: 104
Last issue date: 12/25/2007

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Number	Title	Issue Date
7311166	Snowmobile ski This invention relates to an improved snowmobile ski having a vertical fin on the topside of the ski with a surface area large enough to minimize or prevent sideways slippage of the ski during a turn. The fin, if a single fin is used, is located adjacent the outboar...	12/25/2007
7213825	Leaf spring retaining bracket A one-piece leaf spring retaining bracket may be welded to a longitudinal member of a vehicle frame. The leaf spring retaining bracket is symmetrical along two planes, and the same bracket may be used on either side of the vehicle frame. The bracket has an upper sec...	05/08/2007
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
7181948	Method of making structural components Elongated structural components having regions of different thicknesses, especially for use in automobile bodies, are produced by flexible rolling metal strip so as to form along a length thereof rolled-strip segments of different wall thickness. The sheet bars are ...	02/27/2007
7175190	Horizontal mount of suspension element to axle A clamp arrangement is utilized to secure a suspension element to an axle. The clamp arrangement includes a pair of spaced clamp halves that are tightened to cam a pair of holding frame elements together and hold the suspension element to the axle. Preferably, a pai...	02/13/2007
7175232	Rocking chair A rocking chair comprises a base portion and a seat portion and includes a pair of C-springs for coupling the base portion to the seat portion. The C-springs flex to provide the seat portion with a desirably smooth and soft rocking motion while providing excellent s...	02/13/2007
7172181	Curved elastomeric spring A compression spring created from a preform made from an elastomer which is free of spring-like characteristics and has a ratio of plastic strain to elastic strain greater than 1.5 to 1. The spring has elongate body with first and second longitudinally spaced free e...	02/06/2007
7114359	Method for producing bent spring rails from an endless spring band The invention relates to a method for producing bent spring rails from an endless spring band. The method is characterized by the following steps: continuous bending of a section of spring band; cutting the bent section of spring band into a spring rail; discontinuo...	10/03/2006
7083199	Chassis part consisting of fiber-reinforced plastics, equipped with an integrated sensor The present invention pertains to a chassis part for connection and force transmission between a vehicle chassis of at least one wheel, consisting of fiber-reinforced plastics or plastic composite systems, preferably for a passenger car or utility vehicle. Th...	08/01/2006
7077066	Axle guide The invention relates to an axle guide consisting of a fiber-synthetic material composite for guiding an axle in the running gear of a rail vehicle, in particular a high-speed rail vehicle. Said guide has two end sections (11, 11′) for connecting the guide ...	07/18/2006
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
7032624	Low-vibration shedding system A novel rod linkage for driving a heddle shaft includes at least one strap (16), which for damping oscillation has a sandwich structure (37) oriented in the longitudinal direction (L) of the strap assembly (16). The sandwich structure includes a...	04/25/2006
7029017	Wheel suspension for a motor vehicle with a transverse leaf spring A wheel suspension with a transverse leaf spring (1a–1c) which is articulated at both ends on wheel carriers. The transverse leaf spring shaped symmetrically to the vehicle longitudinal axis (L) has a curved profile with a middle region...	04/18/2006
7017888	Attachment arrangement for a composite leaf spring which accommodates longitudinal movement through shear displacement A suspension system includes a composite leaf spring attachment system having a bracket, a mount and a shear damper mounted therebetween. The mount is rectilinear in cross-section to receive a rearward leaf spring segment of the composite leaf spring. During flexing...	03/28/2006
6991223	Composite leaf spring having an arcuate attachment arrangement for vehicle mounting A suspension system includes a composite leaf spring having an arcuate segment that is located between a retaining pin and a bumper. The retaining pin includes a shank surrounded by a resilient tube. The bumper is located adjacent a rear wall of the bracket opposite...	01/31/2006
6955192	Vehicle running assisting fabric In a fabric to assist a vehicle to run in the presence of snow, sand, or mud, or in an unleveled land, a core fabric is formed by weaving the weft and the warp. An upper convexity warp which is disposed over the core fabric forming warp and is woven with an upper co...	10/18/2005
6702082	Leaf spring arrangement, especially for attaching the pressure plate of a pressure plate assembly to a housing A leaf spring arrangement, especially for connecting a pressure plate to a housing, comprises a plurality of adjacent leaf spring elements, where each leaf spring element has a first attachment area for establishing the connection the pressure plate, a se...	03/09/2004
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
6679487	Hybrid leaf spring with reinforced bond lines A hybrid leaf spring includes an elongated primary leaf having a compression surface, an opposite tension surface, and a first modulus of elasticity. At least one composite material layer is provided having a second modulus of elasticity different from th...	01/20/2004
6619637	Leaf 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
6530562	Automotive beam spring A beam spring capable of substantial elastic deformation in two planes to provide for independent wheel suspension and to commonize suspension mounting systems in a vehicle chassis....	03/11/2003
6461455	Method of producing a hybrid leaf spring In a method for making a hybrid leaf spring at least one layer of composite material is provided and a metal primary leaf. The layer of composite material and metal primary leaf are positioned adjacent one another in a mold having an interior cavity defin...	10/08/2002
6460838	Fiber reinforced suspension member The present invention provides for a fiber reinforced suspension member having an integral pivot opening. The suspension member includes a first portion, a second portion and a central portion disposed in between the first portion and the second portion. ...	10/08/2002
6435485	Composite bow mono-leaf spring A fiberglass composite monoleaf bow spring for use in a vehicle chassis system capable of multi-linear response when compressed. The fiberglass composite monoleaf bow spring extends longitudinally below a vehicle frame and is secured at each end of the ve...	08/20/2002
6422540	Leaf spring of composite material, and relative fabrication method A leaf spring, in particular for automotive suspensions, wherein a central core, e.g. of varying thickness, made of a polymer material having predetermined mechanical characteristics and no reinforcing fibers, is covered on two opposite work surfaces with...	07/23/2002
6361032	Composite leaf spring with improved lateral stiffness A method of increasing lateral stiffness in fiberglass composite leaf springs used in suspension systems. The increase in lateral stiffness is accomplished by introducing two carbon fiber inserts to the longitudinal side regions of a fiberglass composite ...	03/26/2002
6361026	Vehicle suspension system The present invention discloses a method and apparatus for a Vehicle Suspension System for a vehicle. The present invention comprises a left spring coupled to the chassis of a vehicle. The leaf spring couples to a rigid arm, which in turn couples to a piv...	03/26/2002
6189904	Vehicle wheel suspension with transverse leaf spring and mounts providing a high roll ratio A vehicle wheel suspension has a composite, transversely oriented, leaf spring which is vertically thick and stiff in end regions extending inward from each end of the spring past the vehicle body support area but is vertically thin and compliant in a mid...	02/20/2001
6082750	Closed joint leaf spring mounting assembly The closed joint leaf spring mounting assembly for a mobile vehicle with a body and at least two axles may have a suspension bracket configured to be permanently fixed upon an axle housing for enclosing one of the axles and to include a plurality of verti...	07/04/2000
6056276	Leaf spring for a suspension of a vehicle Leaf spring, in particular for a suspension of a vehicle, of the multiple-leaf type, and preferably of the double-leaf type: a first, upper leaf is provided at respective ends with corresponding eyelets for attachment to a vehicle, and is made of metal ma...	05/02/2000
6012709	Hybrid leaf spring and suspension system for supporting an axle on a vehicle In a hybrid leaf spring, an elongated primary leaf element is provided having a first modulus of elasticity, a tension surface, and a compression surface. At least one layer of composite material is substantially parallel to and bonded to the tension surf...	01/11/2000
5938221	Tapered convolute leaf spring for truck suspensions A leaf spring for use in a suspension system is disclosed which includes an eye for attachment with the frame member on one side of a vehicle chassis. A front cantilever portion of the leaf spring extends from the eye to a predetermined point of the leaf ...	08/17/1999
5730427	Trailer spring assembly A leaf spring assembly for the suspension of an axle of a vehicle, particularly a trailer, has a plurality of superposed steel plates, the ends of the longest of the plates being adapted or formed into means, preferably hooks, for mounting the leaf spring...	03/24/1998
5683076	Leaf spring for a rigid axle of a vehicle A leaf spring for suspension of a rigid axle of a vehicle. The spring is joined at its first and second ends to a frame of a vehicle. The spring has a first portion extending from a first end to the junction with the axle in which the thickness of the spr...	11/04/1997
5662314	Wheel spring support frame for vehicles A wheel spring support frame for attaching a leaf spring to the underside of the frame of a vehicle. The support frame has a substantially U-shaped cross-section with parallel sidewalls connected by an upper member attached to the vehicle's frame. The sid...	09/02/1997
5556081	Suspension arm made of fiber reinforced plastic and manufacturing method thereof A suspension arm has a rigidity in the side direction of the vehicle but has a flexibility in the longitudinal direction. The suspension arm has a wheel-side connecting member connected to a portion of a wheel, at least one vehicle-side connecting member ...	09/17/1996
5365646	Method of manufacturing an elongated spring member A compact suspension system for a wheeled vehicle and method for its manufacture. The suspension includes a tapered, vertically mounted elongated arm having an integral eye at one end. The integral eye rotatably connects the elongated arm to the vehicle w...	11/22/1994
5366238	Lightweight suspension system for a wheeled vehicle, spring arm and method of manufacture A compact suspension system for a wheeled vehicle and method for its manufacture. The suspension includes a tapered, vertically mounted elongated arm having an integral eye at one end. The integral eye rotatably connects the elongated arm to the vehicle w...	11/22/1994
5354091	Wheeled vehicle suspensions Air-ride suspensions for vehicles include composite leaf springs having fibers embedded in a resin matrix. Air springs are interposed between the leaf springs and the vehicle adjacent free ends of the leaf springs....	10/11/1994
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

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Class 267/47 - Structure