Foldable frame for a case

Trunks and hand-carried luggage – Hand luggage – Knockdown or collapsible

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Details

190 24, 190122, 190127, A45C 700, A45C 1304, A45C 1336

Patent

active

054333032

ABSTRACT:
A case with a collapsible frame. The collapsible frame has four straight walls and four connectors. Any two continuous straight walls are connected to each other by means of a connector. Each connector has a link assembly and a buckle assembly which consists of a female buckle and a male buckle. A straight wall is linked to the link assembly which is further linked to the male buckle which is engaged with the female buckle which is linked to another straight wall. The link assembly has several links. Any two continuous links have a first relative position so that they are allowed to pivot relative to each other and a second position so that they are kept from pivoting with respect to each other. The frame is collapsible when the links are in the first relative position and the female buckle is disengaged from the male buckle. The case occupies small space when the frame is folded. A frame is formed when the links are in the second relative position and the female buckle is engaged with the male buckle.

REFERENCES:
patent: 1019547 (1912-03-01), Spiro
patent: 1573721 (1926-02-01), Loeffler
patent: 1834740 (1931-12-01), Rhettt
patent: 2416783 (1947-03-01), Vallieres
patent: 2710084 (1955-06-01), Braverman
patent: 2718943 (1955-09-01), Braverman
patent: 2798579 (1957-07-01), Fox
patent: 2903033 (1959-09-01), Robinson
patent: 3504722 (1970-04-01), Barry
patent: 4176734 (1979-12-01), Wang
patent: 5303805 (1994-04-01), Hauser

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