Material or article handling – Land vehicle or boat tilting and lifting devices
Patent
1984-10-19
1986-06-03
Paperner, Leslie J.
Material or article handling
Land vehicle or boat tilting and lifting devices
269323, 297DIG4, 410 51, 414680, 414778, 414921, A47C 3100
Patent
active
045926956
ABSTRACT:
A tilting platform lift device for wheelchairs is disclosed. The device (10) securely holds a wheelchair (14) and tilts the wheelchair (14) backward up to 90 degrees to shampoo the hair of the person (12) in the wheelchair (14). The device comprises a tilting platform floor (18) with attached frame (70), a motordriven hydraulic system (24) which includes double-acting hydraulic cylinder (34), four-way control valve (45), electric motor (50), hydraulic pump (48) and hydraulic reservior (52). System (24) is enclosed in case (26) which also acts as a base for platform floor (18). In operation, a person (12) in wheelchair (14) rolls backward up ramp (16) and is secured to platform floor (18) by chains (22), which attach to the arms of wheelchair (14), and chains (23), which attach to the lower frame of wheelchair (14). Platform floor (18) may be tilted forward and backward by operating lever ( 56).
REFERENCES:
patent: 3240935 (1966-03-01), Dougall
patent: 3476404 (1969-11-01), Rachman
patent: 3806109 (1974-04-01), Weber et al.
patent: 3844421 (1974-10-01), Nielsen
patent: 4060271 (1977-11-01), Williams
patent: 4192549 (1980-03-01), Petersen
patent: 4221370 (1980-09-01), Redwine
patent: 4527944 (1985-07-01), Qually et al.
Paperner Leslie J.
Porter George J.
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