Back support apparatus

Details Back support apparatus Back support apparatus

1987-10-06

1989-06-06

Hafer, Robert A.

Undertaking

A63G 900

Patent

active

048365343

ABSTRACT:
A back support comprising a frame having a first end and a second end displaced from the first end, to define a gap, a resilient member attached adjacent the first end and arranged to resiliently support the frame with the first end disposed above the second end and a belt attached in spread manner to the frame, the gap in the frame being dimensioned to allow a user to pass through it into and out of the frame.

REFERENCES:
patent: 1061669 (1913-05-01), Hawk
patent: 1097097 (1914-05-01), Jensen
patent: 3420522 (1969-01-01), Elliott
patent: 3528657 (1970-09-01), Krupsky
patent: 4296836 (1981-10-01), Cooper
patent: 4704749 (1987-11-01), Aubert
Playthings, Sep. 1968, Swing Gym, p. 69.

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