Chairs and seats – Legrest or footrest interconnected to move relative to... – With means to move bottom relative to and concurrently with...
Patent
1979-08-06
1981-08-25
McCall, James T.
Chairs and seats
Legrest or footrest interconnected to move relative to...
With means to move bottom relative to and concurrently with...
5 37R, 5 81R, 5 86, 297DIG4, 297 64, A47C 1716, A47C 1300, A47C 102
Patent
active
042855411
ABSTRACT:
A combined chair and bed which can be utilized selectively as a chair and a bed comprises a frame assembly, a seat assembly including a back rest, a leg support and a seat hinged at one side edge to the back rest and at the opposite side edge to the leg support, and at least one link mechanism operable to set the combined chair and bed in selective one of chair and bed modes. While the seat assembly is mounted on the frame assembly through the link mechanism, the link mechanism comprises a fulcrum about which the back rest pivots accompanied by an angular movement of the hinge between the back rest and the seat about the same fulcrum, thereby shifting the seat selectively upwardly and downwardly depending upon the direction of the pivotal movement of the back rest and a pair of links which, when the back rest is moved to the laid-down position, are erected to support the seat in flush with any one of the back rest and the leg support. A transmission system for transmitting the movement of the back rest to the leg support is also included.
REFERENCES:
patent: 2629425 (1953-02-01), James
patent: 4079990 (1978-03-01), McMunn
patent: 4099277 (1978-07-01), Watkins
patent: 4104747 (1978-08-01), Bell et al.
patent: 4119342 (1978-10-01), Jones
Behr Omri M.
McCall James T.
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