Land vehicles – Wheeled – Occupant propelled type
Reexamination Certificate
2005-06-07
2005-06-07
Lerner, Avraham (Department: 3611)
Land vehicles
Wheeled
Occupant propelled type
C280S250100, C180S907000, C297S338000
Reexamination Certificate
active
06902178
ABSTRACT:
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 directions. The wheelchair further comprises at least two main wheels mounted on the support frame and a seat base disposed upon the support frame between the main wheels. The seat base is configured for selectively raising and lowering the patient between a first level and a second level with the aid of at least one security beam disposed adjacent one of the main wheels. The security beam may have a substantially vertical orientation and may be configured as a hand hold for steadying the patient when transferring onto and off of the seat base.
REFERENCES:
patent: 3023048 (1962-02-01), Barton
patent: 3398974 (1968-08-01), Edwards et al.
patent: 3905436 (1975-09-01), Karchak et al.
patent: 4506930 (1985-03-01), Lambert
patent: 4511157 (1985-04-01), Wilt, Jr.
patent: 4744578 (1988-05-01), Stearns
patent: 4948156 (1990-08-01), Fortner
patent: 5255934 (1993-10-01), Wilson
patent: 5601302 (1997-02-01), Beard et al.
patent: 2003/0042779 (2003-03-01), Yamasaki et al.
Lerner Avraham
O-Matic Corp.
Stetina Brunda Garred & Brucker
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