Height adjustment apparatus

Details Height adjustment apparatus Height adjustment apparatus

1987-02-09

1988-03-01

Machado, Reinaldo P.

Supports

Stand

Standard type

248411, F16M 1100

Patent

active

047280727

ABSTRACT:
A mechanical height adjustment apparatus having a tubular telescopic body portion powered by a spring-loaded nut on a tubular threaded shaft and in which the same spring means acts to close a friction clutch that is selectively releasable by lever means relatively displacing the clutch surfaces as desired.

REFERENCES:
patent: 2060075 (1936-11-01), Herold
patent: 2529861 (1950-11-01), Angell et al.
patent: 2987110 (1961-06-01), Cramer, Jr.
patent: 3164357 (1965-01-01), Hage et al.
patent: 3633964 (1972-01-01), Claude
patent: 3923280 (1975-12-01), Good
patent: 4261540 (1981-04-01), Baker et al.
patent: 4324382 (1982-04-01), Beukema et al.
patent: 4540148 (1985-09-01), Jann
patent: 4613106 (1986-09-01), Tornero
patent: 4627602 (1986-12-01), Sporck

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