Adjustable support

Details Adjustable support Adjustable support

1989-09-01

1990-12-18

Chin-Shue, Alvin C.

Supports

Staff type

Stand or base

2481887, 2481882, F16M 1300

Patent

active

049780980

ABSTRACT:
An adjustable support including a base formed by splayed legs has adjustable feet located about the perimeter of the legs. The feet are formed by transfers rods which interengage with a lever and spring mechanism inside hollow tube constituting the legs so as to permit for adjustment and interlocking of the feet in relatively different vertical positions relative to the legs.

REFERENCES:
patent: 1719435 (1979-07-01), Cowther
patent: 2238708 (1941-04-01), Russell
patent: 2283324 (1942-05-01), Faser
patent: 2722970 (1955-11-01), Steelmann
patent: 3021921 (1962-02-01), Poelvoorde et al.
patent: 3142464 (1964-07-01), Zelenitz
patent: 3236485 (1966-02-01), Staples
patent: 3350043 (1967-10-01), Apple
patent: 3768766 (1973-10-01), Bain
patent: 4036462 (1977-07-01), Sleftel

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