Flexible back pack frame

Details Flexible back pack frame Flexible back pack frame

1976-03-17

1977-08-09

Spar, Robert J.

Package and article carriers

Vehicle attached

Carrier attached to special purpose vehicle

224 8R, A45F 300

Patent

active

040405486

ABSTRACT:
A frame for a back pack having lateral, parallel upright fiberglass laminate braces curved to conform to the wearer's back and having a flat undersurface, the braces being sufficiently flexible to move conformably to the back in response to changes in the wearer's position. Additional cross and diagonal pieces are provided having curvatures conformable with adjacent portions of the wearer's back.

REFERENCES:
patent: 2421244 (1947-05-01), Daiber
patent: 3114486 (1963-12-01), Flexman
patent: 3860157 (1975-01-01), Richards et al.
patent: 3902640 (1975-09-01), Geiben

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