Umbrella locking sleeve

Details Umbrella locking sleeve Umbrella locking sleeve

1981-07-20

1982-10-12

Skogquist, Harland S.

Joints and connections

Structurally installed in diverse art device

108 50, 403196, A47B 3704

Patent

active

043536590

ABSTRACT:
A locking sleeve for the post of a shade umbrella or the like comprises a tubular body adapted to be fitted into a hole in a table or other article of furniture and formed with a longitudinal slot allowing outward spreading of the body upon the tightening of a screw threaded therein against the post.

REFERENCES:
patent: 1191078 (1916-07-01), Hutton
patent: 1696288 (1928-12-01), Underwood
patent: 1787669 (1931-01-01), Ledbetter
patent: 2465844 (1949-03-01), Brushaber
patent: 2522172 (1950-09-01), Gates
patent: 2743146 (1956-04-01), Wheeler

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