Chairs and seats – Legrest or footrest interconnected to move relative to... – Bottom and back movable as unit relative to legrest
Patent
1981-04-30
1984-01-03
McCall, James T.
Chairs and seats
Legrest or footrest interconnected to move relative to...
Bottom and back movable as unit relative to legrest
297 68, 297 83, A47C 102
Patent
active
044239033
ABSTRACT:
An incliner chair has a combined seat and backrest member moveable from a normal occupant sitting position to an occupant inclining position by means of a mechanism attached to a stationary chair frame, by an occupant-operable handle. The handle causes a rotary element connecting identical mechanisms on either side of the chair to actuate linkages that simultaneously thrust out a footrest member and pull down and forward the rear of the seat part with its attached back while thrusting up and forward the front of the seat. A two link control assembly is provided to control and guide the back from moving backward from its normal position to the inclined position and comprise a control link attached intermediate its length to a toggle plate which is itself pivotably connected to the chair frame upwardly and rearwardly of the axis of the rotary element. The toggle plate is pivotably attached to a primary thrust lever at a point allowing the back control lever to be pivoted intermediate it and the toggle frame pivot point. One end of the back control link is attached to the rear of the seat bottom and the other end is attached to a guide link which is in turn attached to the chair frame, and is the second link in the control assembly.
REFERENCES:
patent: 3357739 (1967-12-01), Knabusch et al.
patent: 3433527 (1969-03-01), Re
patent: 3743349 (1973-07-01), Crum et al.
patent: 4113305 (1978-09-01), Hampton
patent: 4212494 (1980-07-01), Dabney
patent: 4319780 (1982-03-01), Rogers, Jr.
patent: 4346933 (1982-08-01), Jacobs
Hill K. Maxwell
McCall James T.
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