Lift chair with rocker and wheel frame attachments

Details Lift chair with rocker and wheel frame attachments Lift chair with rocker and wheel frame attachments

1976-04-16

1978-04-11

Mitchell, James C.

Chairs and seats

Convertible

Alternately usable seat mounts

248393, 297130, 297329, 297330, 297346, 297347, 297DIG10, A47C 1300, A47C 102

Patent

active

040835995

ABSTRACT:
A lift chair has a lift base, a seat, and an extensible and retractable power-actuated ram connected between the lift base and seat to selectively raise and lower the seat. One or another accessory base provided with accessories such as a rocker or wheel assembly is also connected to the seat and is positioned to contact the floor before the ram is fully retracted so that the full retraction of the ram lifts the lift base off the floor and transfers the entire weight of the chair to the accessory base. When the ram is extended, the initial extension of the ram reseats the lift base on the floor and lifts the accessory base off the floor, thus transferring the weight of the chair from the accessory base back to the lift base, which supports and stabilizes the chair during the lifting thereof and until the ram is fully retracted again.

REFERENCES:
patent: 864374 (1907-08-01), Honig
patent: 2528452 (1950-10-01), Riley et al.
patent: 3023048 (1962-02-01), Barton
patent: 3091426 (1963-05-01), Bogart
patent: 3138402 (1964-06-01), Heyl et al.
patent: 3378276 (1968-04-01), Fulmer

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