Land vehicles – Wheeled – Occupant propelled type
Patent
1994-08-23
1996-09-17
Ellis, Christopher P.
Land vehicles
Wheeled
Occupant propelled type
2802501, 280648, 297 5, 297DIG10, B62B 900
Patent
active
055561209
ABSTRACT:
An interface is provided to convert a wheelstand to a wheelchair by removal of the prone board from the wheelstand frame. The interface has a rectangular frame member with outwardly extending tabs which are connected to the wheelstand frame by interlock positioning collars, brackets and latches. A seat is connected to the interface frame member.
REFERENCES:
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patent: 3917312 (1975-11-01), Rodaway
patent: 4759562 (1988-07-01), Vinyard et al.
patent: 4934725 (1990-06-01), Owens
patent: 4955624 (1990-09-01), Jeun-Long
patent: 5267745 (1993-12-01), Robertson et al.
patent: 5421598 (1995-06-01), Robertson et al.
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