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US 4,770,431 AGranted
Snap on wheel chair bicycle converter
OwnerHelmut Kulikinventor
Life of this patent
Estimating the term…
Abstract
A device is disclosed for detachably coupling a wheelchair to any bicyle such that they are transportable together as a unit without the need of anything or anyone other than the sole operator of the bicycle. The device allows the bicycle to travel in tandem with the wheelchair without any hindrance on mobility or agility. The device connects the wheelchair to the bicycle via the bicycle's front fork, and the device is substituted as the steering device.
Claims1
A wheelchair and bicycle combination comprising the following:
- a bicycle including a steerable front fork, a down tube, a seat tube, a sprocket bearing housing, and a rear wheel;
- a wheelchair including left and right rear wheels and left and right rear wheel mounting bars;
- and a wheelchair bicycle convertor means including left and right turning arms each with an inner end inserted into a hole in each end of a swivel block and each with an outer end attached to a respective one of the rear wheel mounting bars;
- and a transitional bracket with forward and rearward portions hinged together at adjacent inner ends, said forward portion including a forwardly disposed end attached to an upper side of said swivel block by a shoulder bolt, a rearwardly opening fork integral with a distal end of said rearward portion and attached about said down and seat tubes at a point where said down and seat tubes attach to said bearing housing, said forwardly disaposed end being attached between tines of said front forks by a quick-release locking mechanism.
1 more element
Dependencies are inferred from the claim text.