Expandable carrying case with external expansion control means

Details Expandable carrying case with external expansion control means Expandable carrying case with external expansion control means

1988-03-02

1989-08-08

Weaver, Sue A.

Trunks and hand-carried luggage

Hand luggage

Variable volume

190 22, 190108, 190110, 190111, 190112, 220 8, A45C 700, A45C 1304

Patent

active

048544302

ABSTRACT:
An expandable carrying case apparatus, having two pivotably attached members, each of which is substantially rectangular, and each of which is expandable. Expansion is accomplished by individualized displacement mechanisms deployed upon each corner of the members. Each of the displacement mechanisms is attached to a controllable driver which when actuated, expands or contracts an element of the case frame causing the exterior members to expand outwardly or contract inwardly and thereby increase or decrease the volume of the carrying case.

REFERENCES:
patent: 724985 (1903-04-01), Wohlrabe
patent: 892125 (1908-06-01), Bourne
patent: 1052018 (1913-02-01), Spitz
patent: 1490001 (1924-04-01), Gaynor
patent: 2875868 (1959-03-01), Powell
patent: 3319744 (1967-05-01), Smith
patent: 3450237 (1969-06-01), Dyke
patent: 4273223 (1981-06-01), Tomlinson
patent: 4630717 (1986-12-01), Tong

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