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Class 280/304 - Extensible or sliding


Subclass of Class 280 - Land vehicles
Definition: Props extensibly or slidably mounted on the velocipede.
No. of patents: 47
Last issue date: 07/15/2008


1    
NumberTitleIssue Date
7398842Articulating quad-drive wheelchair
A self-propelled wheelchair with independently driven wheels and dual support frames connected in an articulating relationship. A front frame supports a seat and a rearward extended pivot connector. A pair of front wheels and left and right front drive units are con...
07/15/2008
7364179Frame integral suspension system
A suspension system that requires minimal or no welding and can be easily adapted for use with a variety of frame configurations without adversely affecting the frame integrity. One embodiment includes a top bearing (21), a base bearing (31), an upper ...
04/29/2008
7347439Non-rotating bicycle wheel display disk
The present invention describes a non-rotating bicycle wheel display assemblies that remains absolutely upright in relation to the rotation of a bicycle wheel and in relation to a parked bicycle wheel. The invention consists of a pair of disk assemblies mounted to b...
03/25/2008
7281724Wheeled work chair
A wheel work chair has all the attributes and style of an office chair but is equipped with wheelchair-type supporting wheels The chair is height adjustable with the upper portion of the chair moving relative to the lower portion of the chair. Wheels connected to th...
10/16/2007
7261308Cycle accessory system for child strollers
The cycle accessory system for child strollers can convert an ordinary child stroller into a multi-child transport unit. The multi-child transport unit can have at least four modes. The first mode (referred to herein as the “child control” mode) allows the lead ...
08/28/2007
7226067Flexible training wheel assembly
A flexible training wheel assembly fitted on each side of the rear wheel (10) of a bicycle, each training wheel assembly comprising: an upper bracket (1) removeably attached to the bicycle axle (11), a visco-elastic connector (2) attached...
06/05/2007
7222871Tricycle push handle
A push handle for a child's vehicle has an elongated body with at least two elongated tubes of different diameters configured in a telescoping relation where the tube(s) of smaller diameters are slidable within the tube(s) of larger diameters between an extended sta...
05/29/2007
7040641Transport chair for a patient
Disclosed is a wheelchair for transporting a patient. The wheelchair comprises a support frame having a front, a rear, and opposing sides with the front and rear facing in respective forward and aft directions and the opposing sides facing in opposing lateral direct...
05/09/2006
6994368Bicycle auxiliary wheel attachment
The auxiliary wheel attachment for a bicycle comprises flat metal strip material forming a frame that is rigid and strong enough to support the weight of an adult rider. The use of flat strip material allows the auxiliary wheel attachment to be fabricated using conv...
02/07/2006
6976663No tip
A stabilizing device having two elements. One of the elements is secured to an object, and the other element is secured to the first element to prevent the object from tipping over. ...
12/20/2005
6976698Manually operable standing wheelchair
A manually operable standing wheelchair includes an actuator for moving an occupant from a sitting position to a standing position. The manually operable standing wheelchair has a lifting mechanism, including, for example, a ratchet, cable, pulley, and telescopic tu...
12/20/2005
6948047Apparatus for providing a CPU cluster via a disk I/O bus using a CPU brick which fits into a disk cavity
A general purpose computer apparatus including a central processing unit, a main memory and a system bus. The general purpose computer apparatus further includes means for interfacing the central processing unit to the system bus and means for interfacing the centra...
09/20/2005
6942053Vehicle of novel configuration and operation
A vehicle having two primary wheels and two or more retractable wheels that may be operated in either two-wheeled or multi-wheeled configuration with a sliding panel system for open or complete enclosure, with both the wheelprint and the open/enclosed panel system b...
09/13/2005
6923278Adjustable anti-tip wheels for power wheelchair
A power wheelchair with front anti-tip wheels for substantially eliminating partial tips of the wheelchair is described. The anti-tip wheels are attached to the end of an extension arm which is attached to the frame of the wheelchair. A spring connects the anti-tip ...
08/02/2005
6845999Motorcycle automatic balancing stand and methods
An automatic balancing stand and a method for supporting a motorcycle in an upright position are disclosed. The stand comprises a motion sensor coupled to a controller housed in an housing that signals a pump when the motorcycle changes speed. The housing is coupled...
01/25/2005
6237929Pedal mounted bicycle stand
A bicycle stand, which includes a prop that may be attached to a bicycle pedal. Attachment of the prop to the pedal may be by a "socket-bolt" having a hole in one end and a threaded hole in the other. The socket-bolt replaces the lock nut normally located...
05/29/2001
6206394Health exercise equipment propelled by simulated rowing motion
An exercise apparatus to exercise the upper and lower body that is powered by a simulated rowing motion is described. The exercise apparatus includes a frame, front and rear wheels, a slide rail, a lever arm, a steering mechanism and a drive mechanism tha...
03/27/2001
6168180Bicycle stand
A removable stand comprising a mounting block and support post supports a bicycle at an angle. The support post is nonrotatably friction fit within a socket formed in the mounting block. The mounting block is mounted upon a single frame element, such as a...
01/02/2001
6150929Warning device of auxiliary leg support of motorcycle
A warning device is intended to alert a motorcyclist to retract the auxiliary leg support of the motorcycle before operating the motorcycle. The warning device comprises a detection control unit fastened with the body frame of the motorcycle, a detection ...
11/21/2000
6113122Stabilizer training wheel for bicycle
This invention is a side wheel attachment for removably attaching an auxiliary side wheel to a bicycle. The side wheel attachment comprises a single structural rod which is folded in the desired shape, i.e. forms a helical torsion spring. In natural unbia...
09/05/2000
5901931Retractable supporting arm
A supporting arm includes a plurality of links coiled upon one another in retracted position in a housing. When the support arm is withdrawn from the housing, an extension means then urges the links of the arm into load-supporting position. A latch holds ...
05/11/1999
5607173Adjustable parking frame of bicycle
An adjustable bicycle parking frame comprises a fastening plate, an inner rod, a support rod and an adjustment rod. The parking frame can be turned and located by a spring, an outer tube and a fitting ring, which are disposed between the fastening plate a...
03/04/1997
5492354Apparatus for mounting auxiliary wheels on bicycles
An apparatus for mounting an auxiliary wheel on a bicycle wheel. A resiliently flexible arm, such as a coil spring, laterally spaces from a wheel of the bicycle a smaller auxiliary wheel. A pintle is connected to the arm at an end remote from the bicycle ...
02/20/1996
5395130Bicycle balance trainer
An attachment for a two wheeled bicycle allowing a mentor to provide a graduated correcting and stabilizing force to the bicycle for aiding a novice rider to maintain balance and gain confidence. The attachment comprises two substantially parallel rigid t...
03/07/1995
5388848Motorcycle kick stand
A new and improved kick stand apparatus for a two-wheeled vehicle, such as motorcycle, includes respective independently operable, first and second leg assemblies, each respective leg assembly being connected to the vehicle and capable of being placed in ...
02/14/1995
5372375Coiled bicycle stand
A bicycle stand includes a flexible supporting arm adapted to be retracted into coiled condition within an associated housing. When extended from the housing, the arm is angularly oriented by guide means on the housing. A brake keeps the supporting arm ex...
12/13/1994
5358265Motorcycle lift stand and actuator
Disclosed is an improved automatically actuated motorcycle lift stand. The stand comprises upper and lower stand units on each side of the motorcycle. This configuration enables independent raising of the motorcycle when resting on either side, as well as...
10/25/1994
5181733Anti-tip device for wheelchair
An easily adjustable anti-tipping device for a wheelchair. The device is arranged so that a knob or lever adjacent the foot of the handicapped person can be turned to rotate the anti-tipping bar to its useful position. The device may be added to the tubul...
01/26/1993
5169165Scooter vehicle having auxiliary balancing wheels
A scooter apparatus includes a base plate, with the base plate mounting a steering tube rotatably at a forward end of the base plate for rotation and steering of a front wheel by use of handle bars mounted to an upper terminal end of the steering tube. A ...
12/08/1992
5067739Structure of motorcycle stand
For supporting a motorcycle in place, a motorcycle stand comprising a substantially H-shaped tubular frame defining therein two cylindrical side chambers vertically disposed at two opposite side with a cylindrical cross chamber transversely disposed there...
11/26/1991
4997200Combination wheelchair-gurney apparatus
The present invention relates to an improved combination wheelchair-gurney apparatus. The improved wheelchair-gurney includes a pivoting back rest and foot rest which permit the wheelchair to be transformed into a gurney and vice versa. The combination wh...
03/05/1991
4986557Motorcycle stand
A motorcycle stand includes a spring loaded support rod slidably captured within a sleeve pivoted to the cycle frame and having an enlarged pad swingably mounted at the outer free end of the rod for fore and aft and side to side movement thereby accommoda...
01/22/1991
4917398Bicycle training handle
A handle device for bicycles provides an adjustable rider training support point for training helpers. A handle and extension member is pivotally mounted to the rear axle and the pivoting motion conveniently places the handle proximate to the rider, avoid...
04/17/1990
4877260Anti-tip wheelchair accessory
A wheelchair anti-tip mechanism including an adjustable base that is bolted to the lower frame of a wheelchair inside of the wheels and below the center of gravity. Telescoping legs are placable into the sides and rear of the base in an outrigged fashion ...
10/31/1989
4817977Stand for motorcycle
A housing having a telescopingly extendible and retractable leg is carried by the frame of a motorcycle. A camming mechanism which drives the leg is secured to a reversible motor through a limited torque coupling whereby the extension of the leg is automa...
04/04/1989
4642853Seat belt guide loop
A seat belt guide loop is comprised of a stamped metal bracket having an aperture adapted to receive a bolt for pivotally mounting the guide loop on a vehicle body pillar. The stamped metal bracket has a belt slot therein of a width somewhat greater than ...
02/17/1987
4637624Hydraulic righting motorcycle kickstand
A hydraulic righting and kickstand device includes a pivotal connection to a centrally located lower frame of the motorcycle, an upper kickstand member extending downwardly toward the ground, a fluid actuated cylinder structurally connected to the upper k...
01/20/1987
4580804Jack stand for motorcycles
A pair of retractable leg assemblies for use in raising the frame of a motorcycle from the ground to permit servicing the same is disclosed. Each leg assembly includes a pair of telescopically engaged members having a cooperating pin and slot arrangement ...
04/08/1986
4494764Motorcycle lift and method
A support leg (24) is attached to a rear portion (12) of the frame (10) of a motorcycle (2) on the same side of the frame (10) as the kickstand (8), between the kickstand (8) and the rear wheel (6). A pair of laterally spaced ears (42) project upwardly fr...
01/22/1985
4474385Removable wheel assembly for wheelchairs
An assembly which can be mounted to a wheelchair to provide easy removal of the drive wheels yet retain mobility of a wheelchair includes a connector block mounted on a wheelchair frame, which connector block has a first orifice extending therethrough for...
10/02/1984
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