Stable back rest

Details Stable back rest Stable back rest

1988-09-26

1990-03-20

Trettel, Michael F.

Beds

Ground mat

Having head rest

5432, 297352, A47G 900

Patent

active

049088912

ABSTRACT:
In accordance with an illustration embodiment of the invention, a stable, portable back rest includes front and rear panels hinged together and set up in an inverted Vee, the front panel having an opening in its lower section which defines a horizontal edge, the end portion of a beach towel being inserted through the opening and wrapped more than one full turn around the lower section. When the user sits on the towel and leans back against the front panel, forces are applied at such edge while resist collapse and overturning of the panels.

REFERENCES:
patent: 1930942 (1933-10-01), Pringle
patent: 2304700 (1942-12-01), Manville
patent: 3822424 (1974-07-01), Messer
patent: 4466517 (1984-08-01), Spiegelman

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