Supports – Stand and bracket – Having adjustable bracket
Patent
1987-08-05
1989-11-14
Ramirez, Ramon O.
Supports
Stand and bracket
Having adjustable bracket
248145, 248282, 248415, 362427, 362431, 362432, 403164, F16L 300
Patent
active
048801933
ABSTRACT:
A swing arm lamp has the swing arms thereof connected to each other through a swivel assembly that includes a first swivel element and a second swivel element all disposed and interconnected so as to rotate with respect to each other about an axis of rotation through the swivel assembly, but so that relative sliding movement along the axis of rotation of the elements with respect to each other is substantially prevented and so that the relative rotation is limited to just about 360 degrees. The swivel elements are formed of tubular stock with one element having a reduced outer diameter at one end thereof, having a circumferential groove formed about such reduced outer diameter, and having a stop extending therefrom. The reduced outer diameter end portion of the one swivel element, in turn, seats in an enlarged inner diameter end portion of the other swivel elements. First and second lugs are formed from the material of such other swivel element by displacing the wall thereof in a swaging process.
The first such lug is so formed to project into the circumferential groove and coact with the side walls thereof, so as to permit the rotational movement and prevent the relative sliding movement. The second lug is formed to project into the path of rotation of the stop to prevent further rotation thereof and thus limit relative rotation of the swivel members to just under 360 degrees.
REFERENCES:
patent: 3010013 (1961-11-01), Gunther et al.
patent: 3044798 (1962-07-01), Gerner
patent: 4247886 (1981-01-01), Warshawsky
patent: 4347557 (1982-08-01), Warshawsky
patent: 4381538 (1983-04-01), Warshawsky
patent: 4517632 (1985-05-01), Roos
patent: 4548373 (1985-10-01), Komura
patent: 4726552 (1988-02-01), Warshawsky
Feldman Stephen E.
Ramirez Ramon O.
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