Expandable bag with internal biasing means

Details Expandable bag with internal biasing means Expandable bag with internal biasing means

1977-12-05

1979-02-27

Norton, Donald F.

Purses, wallets, and protective covers

Protective cover made of flaccid material

For a racquet

190 43, 190 50, 206526, A45C 700

Patent

active

041413997

ABSTRACT:
An expandable bag having a closure and insert in said bag, said insert comprising a pair of parallel sheet members, a first means biasing said parallel sheet members apart, and restraining means external to the bag and operable maintain the sheet members relatively closely spaced and the bag in a collapsed state whereupon, on removal of the restraining means, the biasing means cause the sheet members to move apart, whereby the bag is expanded.

REFERENCES:
patent: 1045510 (1912-11-01), Campbell
patent: 1051716 (1913-01-01), Eiseman
patent: 2024908 (1935-12-01), Blum
patent: 2151999 (1939-03-01), Stember
patent: 2798579 (1957-07-01), Fox
patent: 3338398 (1967-08-01), Altman

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