Class 280/65 - Spring

Subclass of Class 280 - Land vehicles
Definition: Vehicles provided with springs between the wheels and the
No. of patents: 19
Last issue date: 09/09/2008

Number	Title	Issue Date
7422228	Sports board The invention is directed to a sports board (15). In the preferred embodiment, the board comprises an expanded polymer foam core (16), an extruded thermoplastic polymer outer layer (20) having an inner surface (21) and an outer surface (	09/09/2008
7377525	Portable worktable A portable worktable has a frame, top, legs, and latches. The frame has rails, a plate perpendicular to the rails, and supports beneath the rails for wheels. The top mounts upon runners hinged to the front and rear upper legs at the corners of the worktable. The wor...	05/27/2008
7322584	Pedestrian trailer A pedestrian trailer is disclosed. The pedestrian trailer includes a trailer frame for supporting a load and at least one wheel which renders the trailer frame portable. A load-stabilizing towing belt may be worn by a pedestrian and removably engage the trailer fram...	01/29/2008
7017936	Adjustable handle assembly for stroller or toy stroller A handle assembly is coupled with each of two handle-coupling rods (3) of a stroller or a top stroller. The handle assembly includes a handle (1) and a connecting tube (2). The connecting tube (2) includes an upper end (21) receive...	03/28/2006
6758534	Mounting element for the wheels of rolling containers A mounting element for the wheels of rolling containers comprises: a load-bearing member rigidly attachable to a bottom edge of a container designed to be rolled along a surface; an arm supporting at least one wheel designed to enable the container to be rolled on t...	07/06/2004
6354613	Racing sulky A racing sulky, including an arch including a transverse member and a pair of struts, a pair of rails adjacent the arch, the struts extending downwardly and forwardly from the transverse member, wherein the transverse member defining a main plane, support...	03/12/2002
6095536	Racing sulky A racing sulky to be drawn by a horse, the sulky including a pair of rails (12) each having a first end (16) and a second end (18). From the second end (18), a first segment (28) extends forwardly and inwardly, a second segment (30) extends forwardly and ...	08/01/2000
5941542	Load transporting trailer A lightweight, low profile trailer especially suited for transporting bicycles. The trailer includes pivotally interconnected upper load supporting and lower suspension frames which have load supporting, suspension, storage, and parking functions. Bicycle...	08/24/1999
5921565	Sulky A sulky comprises two wheels (7) which are attached via frame members (3) to the sulky's support structure, which consists of a beam section (1) which connects the wheels (7), a seat section (2) and shafts (4). In order to give the horse which is harnesse...	07/13/1999
5857686	Offset sulky An improved horse drawn sulky for harness racing, which is inexpensive to manufacture, and which compensates for the lateral forces caused by banking of the track and turning. The frame of the sulky is formed so that the wheel on the outside of the track ...	01/12/1999
5310200	Vehicle suspension system The body (12) of a vehicle (10) is mounted on forward and rearward wheels (16, 18) by an elongated tie structure (20) extending along the lower elevations of the vehicle. The tie structure (20) is connected to the body (12) to pivot about longitudinal and...	05/10/1994
5123668	Bicycle trailer hitch A trailer hitch and cart suspension system are combined to provide a stable bicycle towing apparatus. The cart is in cantilevered engagement to a yoke attached to two pairs of tension rods extending rearwardly from each side of the yoke. Each pair of tens...	06/23/1992
5062652	Sulky A sulky adapted to be pulled by a horse includes a rigid frame having rear and forward cross members and a pair of transversely spaced thills connected to and extending forwardly from the cross members. An elongate tubular frame member is used to mount a ...	11/05/1991
4679807	Wheelchair cart A sulky or horse cart has a low floor. A wheelchair carrying a paraplegic may be rolled from the ground onto the low floor. Hooks on the floor provide a means for locking the wheelchair to the floor. Other features include a roll bar to protect the rider ...	07/14/1987
4553774	Vehicle suspension A beam axle is passed through 2 separated plates, one pair at each end. A stub axle also passes through the 2 plates at each end and is offset from the beam axle. The innovation is the location of a leaf spring between the plate and between the stub and b...	11/19/1985
4536001	Motorcycle cargo trailer Disclosed is a motorcycle cargo trailer having a low profile and constructed with a swing arm suspension system which allows it to travel close to the road with a low center of gravity. Air adjustable shock absorbers are provided to support the suspension...	08/20/1985
4135730	Racing type sulky A racing type sulky having a frame constructed of rigid tubular material and equipped with springs and shock absorbers between the frame and wheels....	01/23/1979
4077646	Bicycle trailer A bicycle trailer for towing behind a bicycle includes a box-like chassis having a forward end with a tow bar extending forward therefrom for connecting by a universal adjustable hitch means to the saddle post of a bicycle and includes a pair of independe...	03/07/1978
4063361	Power train for two-wheel tractor An off-highway vehicle having a tractor section and a trailing section each having a pair of ground engaging wheels. The tractor section has an axle assembly with aligned front and rear pivot connections defining a roll axis, with a spring suspension devi...	12/20/1977

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Class 280/65 - Spring