Clip for self-locking collapsible/expandable structures

Details Clip for self-locking collapsible/expandable structures Clip for self-locking collapsible/expandable structures

1985-06-10

1987-01-20

Friedman, Carl D.

Static structures (e.g., buildings)

Lazy tong extension unit

403170, 403176, 446121, 24 96, 24113R, 52489, 52646, B24B 700

Patent

active

046371800

ABSTRACT:
This disclosure relates to a clip for securing together adjacent collapsible, expandable, self-locking, self-supporting structures which include a plurality of pairs of crossed rod elements pivotally joined in scissored fashion to each other and to hubs having openings therein, the structures having at least one hub of each section adjacent each other, and the clip having at least two stems with each stem being interlockingly received in an associated opening of the adjacent hubs to thereby secure the structures to each other in any one of a plurality of different configurations.

REFERENCES:
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patent: 4159592 (1979-07-01), Gabriel
patent: 4174596 (1979-11-01), Deibele
patent: 4338755 (1982-07-01), Chichester
patent: 4522008 (1985-06-01), Zeigler

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