Folding joint for interconnecting elongate members

Details Folding joint for interconnecting elongate members Folding joint for interconnecting elongate members

1980-12-17

1982-12-28

Shedd, Wayne L.

Joints and connections

Articulated members

Lockable at fixed position

135109, 403328, F16C 1100, F16D 112, F16D 300

Patent

active

043659080

ABSTRACT:
A joint for interconnecting confronting end portions of two elongate members so that the elongate members are movable between first and second positions. In the first position, the elongate members are releasably locked in a coaxial, erect supporting position in which confronting end portions of the members are closely spaced from each other. In the second position, the elongate members are spaced from and substantially parallel to each other. The hinge includes a central block member having a generally U-shaped profile, with guide surfaces and cam slots in its flanges. Guide members having similarly shaped guide surfaces and cam slots are connected in pairs to opposite ends of the block member and cooperate with the guide surfaces and cam slots to control movement of the tubular members between the first and second positions.

REFERENCES:
patent: 521546 (1894-06-01), Oat, Sr.
patent: 694097 (1902-02-01), Freuler
patent: 2149059 (1939-02-01), Leon
patent: 2192830 (1940-03-01), Gerdes
patent: 2219358 (1940-10-01), Economides
patent: 2630730 (1953-03-01), Thornton
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patent: 2915328 (1959-12-01), Walton
patent: 3066320 (1962-12-01), Russell
patent: 3367348 (1968-02-01), Kirkham
patent: 3470579 (1969-10-01), Cencioni
patent: 3929146 (1975-12-01), Maiken
patent: 4069524 (1978-01-01), Carlo

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