Back pack with flexible frame assembly

Details Back pack with flexible frame assembly Back pack with flexible frame assembly

1976-11-12

1979-01-09

Blix, Trygve M.

Package and article carriers

Vehicle attached

Carrier attached to special purpose vehicle

403190, A45F 300

Patent

active

041334647

ABSTRACT:
A back pack having a frame adapted for limited flexing responsive to relative hip and shoulder movement of a hiker. A generally inverted U-shaped main frame unit has side bars that rotate under torsional resistance in a fore and aft direction about a transverse support bar. A cross bar support assembly is coupled to the side bars by fittings that provide for relative rotational and pivotal movement between members of the cross bar assembly and the side bars, thereby permitting such frame flexing.

REFERENCES:
patent: 3219243 (1965-11-01), Mack
patent: 3265260 (1966-08-01), Romney
patent: 3598433 (1971-08-01), Savickas
patent: 4018370 (1977-04-01), Wood

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