Shelter frame couplings

Details Shelter frame couplings Shelter frame couplings

1983-04-14

1985-03-19

Callaghan, Thomas F.

Joints and connections

Articulated members

Lockable at fixed position

403170, 403174, 403297, F16B 700

Patent

active

045056099

ABSTRACT:
Co-operating coupling members for securing together elongated tubular frame elements in the construction of a shelter. The said coupling members comprise two configurations, each of which is adapted to be received in the open end of an associated frame element. With these two coupling configurations, as many as five or more frame elements can be connected at a juncture at selected angles to each other.

REFERENCES:
patent: 1154883 (1915-09-01), Portman
patent: 2212455 (1940-08-01), Reed
patent: 3545796 (1970-12-01), Nicholls
patent: 3922481 (1975-11-01), Lewis

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