Tent – canopy – umbrella – or cane – Umbrella
Patent
1977-06-17
1978-09-05
Schroeder, Werner H.
Tent, canopy, umbrella, or cane
Umbrella
16144, 52726, 2481884, 2481886, 248354S, 248405, 248463, 403 93, 403102, 403118, A45F 116
Patent
active
041112172
ABSTRACT:
A support which includes two or more pole sections hingedly interconnected by a hinge permitting the support to be folded for storage purposes. At least one of the pole sections has a pair of portions disposed in telescopic relation for sliding movement providing a fast coarse adjustment to the length of the support. The sliding movement is lockable at various relative positions by a quick release coupling which, upon locking the sliding telescopic movement, converts to a screw thread fine adjustment for changing the length of the support. A releasable lock mechanism is also provided for locking the pole sections when they are in line in an end-to-end position.
REFERENCES:
patent: 2311355 (1943-02-01), Thornquist
patent: 2389811 (1945-11-01), Ozlek
patent: 3187373 (1965-06-01), Fisher
patent: 3224800 (1965-12-01), Fisher
Berman Conrad L.
Her Majesty the Queen in right of Canada as represented by the
Hicks Richard J.
Johnson Stanley E.
Schroeder Werner H.
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