Swivel stop

Details Swivel stop Swivel stop

1981-05-29

1984-07-31

Callaghan, Thomas F.

Pipe joints or couplings

Swivel

With rotation limits

285DIG8, 403113, 403348, F16L 2700

Patent

active

044626215

ABSTRACT:
A swivel stop for use in lamps of all kinds comprising a lower tube and an upper tube, a member partially secured within the lower tube and partially extending therefrom and formed with a keyway and a stop, and a sleeve secured within the upper tube and provided with a pair of keys.
The swivel stop preferably is designed in two versions: an extendable version and a non-extendable version.

REFERENCES:
patent: 2242303 (1941-05-01), Irmischer
patent: 2262585 (1941-11-01), Irmischer
patent: 2686067 (1954-08-01), Stephans
patent: 3034809 (1962-05-01), Greenberg
patent: 3104067 (1963-09-01), Stiffel
patent: 3784235 (1974-01-01), Kessler

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