Collapsible exercise back pack

Details Collapsible exercise back pack Collapsible exercise back pack

1980-07-28

1982-06-01

Pinkham, Richard C.

Undertaking

224215, A63B 2112

Patent

active

043323790

ABSTRACT:
A collapsible training device to be worn by a person during physical exercise. The device includes a flexible weight carrying member, with at least one opening in the member positioned at its bottom for containing a flexible weight member. Straps attached to the weight carrying member secures the device about the person's shoulders and waist. The flexible weight member is adapted for containing a flexible and disposable weight material. When the weight member is empty, the device occupies a minimum size and has a reduced weight.

REFERENCES:
patent: 432607 (1890-07-01), Dwyer
patent: 447669 (1891-03-01), Dwyer
patent: 2428795 (1947-10-01), Frazee
patent: 4096978 (1978-06-01), Noice
patent: 4236657 (1980-12-01), Brunton

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