Portable back rest

Details Portable back rest Portable back rest

1989-11-24

1990-08-14

Trettel, Michael F.

Beds

Having safety device

Side guard

5419, A47C 2000

Patent

active

049474995

ABSTRACT:
A portable back rest which can be used for support of a person's back at the beach or similar location, yet can be collapsed into a small compact unit for carrying or storage, and includes a single, elongated base member to which four arms are pivotally connected enabling them to extend outwardly to support at their extremities canvas or other flexible material, but can be pivoted inwardly to a collapsed disposition adjacent the base member for portability and storage.

REFERENCES:
patent: 839501 (1906-12-01), Munro
patent: 1363697 (1920-12-01), Viera
patent: 1480930 (1924-01-01), Bullard
patent: 1584448 (1926-05-01), Garnham
patent: 2233806 (1941-03-01), Bucknell
patent: 4363517 (1982-12-01), Scott
patent: 4711260 (1987-12-01), Wiens et al.

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