Chairs and seats – Rocker-mounted – With means to limit or inhibit rocking motion
Patent
1982-10-12
1985-08-13
McCall, James T.
Chairs and seats
Rocker-mounted
With means to limit or inhibit rocking motion
297310, A47C 302
Patent
active
045345910
ABSTRACT:
Controlled rocking action furniture such as a rocking chair is formed with curved side frame pieces for rocking engagement with the ground. Each curved side frame piece comprises a major smooth curved portion in turn composed of at least three component arcs of curvature of increasing radius. A seat frame joins the curved side frame pieces and defines an operating space near the base of the furniture. An upright stop mechanism is housed in the operating space and includes extendable and retractable legs which may be extended and retracted between a position substantially within the operating space and a position extending outside the seat frame in contact with the ground for stopping the chair in upright position. The side frame pieces are formed with first and second minor reverse curved portions at each end of the major curved portion providing forward and backward rocking stops. The rocking action may be designed over a wide angle of rotation for therapeutic application in orthopedic recliners and rockers generally.
REFERENCES:
patent: 667085 (1901-01-01), Grader
patent: 1138270 (1915-05-01), Ziegler et al.
patent: 1421260 (1922-06-01), Kurnick
patent: 2269834 (1942-01-01), Wagner
patent: 2325716 (1943-08-01), Streit
patent: 4367870 (1983-01-01), Birch
Kane, Jr. Daniel H.
McCall James T.
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