Automatically engaging safety device for a wheelchair or...

Land vehicles – Wheeled – Occupant propelled type

Reexamination Certificate

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Details

C188S00200R

Reexamination Certificate

active

07455309

ABSTRACT:
A safety device for a wheelchair, or similar device, is disclosed. The device is a wheel assembly directed to preventing rearward movement of the device when the person exits or enters the device thus preventing potential accidents.

REFERENCES:
patent: 4019752 (1977-04-01), Leon et al.
patent: 6279936 (2001-08-01), Ritchie et al.
patent: 6688437 (2004-02-01), Usherovich
patent: 6739610 (2004-05-01), Connors et al.
patent: 2002/0175027 (2002-11-01), Usherovich

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