Chairs and seats – Legrest or footrest interconnected to move relative to... – Common actuator controls vertical adjustment and relative...
Patent
1988-09-09
1989-08-01
Zugel, Francis K.
Chairs and seats
Legrest or footrest interconnected to move relative to...
Common actuator controls vertical adjustment and relative...
297 85, 297330, 297DIG10, A47C 102
Patent
active
048529397
ABSTRACT:
Disclosed herein is a lift base for converting a manual reclining chair to a powdered lift and reclining chair. The base is readily attached to the reclining hinge and drives the hinge parts as well as the chair frame. A simplified base linkage uses linkage plates as a common pivot mount for link connections inbetween the base and the chair.
REFERENCES:
patent: 3572823 (1971-03-01), Hampton
patent: 3743349 (1973-07-01), Crum et al.
patent: 4007960 (1977-02-01), Gaffney
patent: 4083599 (1978-04-01), Gaffney
patent: 4365836 (1982-12-01), Jackson et al.
patent: 4453766 (1984-06-01), Di Vito
patent: 4570996 (1986-02-01), Rogers
Orthokinetics, Inc.
Zugel Francis K.
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