Adjustable bed-frame

Details Adjustable bed-frame Adjustable bed-frame

1978-05-16

1979-11-20

Nunberg, Casmir A.

Beds

Bedsteads

Extension

5201, A47C 1904

Patent

active

RE0301515

ABSTRACT:
A pair of improved adjustable cross-frame members are incorporated with a pair of side frame members to form a bed frame readily adjustable to a wide variety of widths. Each improved cross-frame member has a first and second elongated elements, each of which is pivotably connected to respective side members in a standard manner. The first element is provided with a pawl mounted near its free end and the second element is provided with a plurality of teeth. The teeth are shaped to allow for easy movement when the side frame members are moved toward each other and to allow for resistance when the side frame members are being pulled apart from each other.

REFERENCES:
patent: 1035765 (1912-08-01), Ballard
patent: 1230446 (1917-06-01), Thirlwall
patent: 1433741 (1922-10-01), Parker
patent: 2880427 (1959-04-01), Atwood
patent: 3795022 (1974-03-01), Harris
patent: 3952345 (1976-04-01), Spitz
patent: 4019211 (1977-04-01), Spitz

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