Manual control knob with adjustable pointer assembly

Details Manual control knob with adjustable pointer assembly Manual control knob with adjustable pointer assembly

1982-09-27

1985-02-19

Silverberg, Fred A.

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Sash balances

Spring

16DIG30, 74553, G05G 110

Patent

active

044996306

ABSTRACT:
An adjustable knob assembly for operating a gas valve includes a rotatable knob affixable to the shaft of the gas valve and having a hub with an axially extending ridge. An annular pointer is angularly displaceably affixed to the hub and has opposed sets of adjacent grooves selectively alignable to engage the ridge on the hub, to permit angular displacement of the pointer with respect to the shaft.

REFERENCES:
patent: 1477785 (1923-12-01), Szukalski, Jr.
patent: 1498985 (1924-06-01), Van Deventer
patent: 2541892 (1951-02-01), Schulze
patent: 2651281 (1953-09-01), Nathan
patent: 3176541 (1965-04-01), Keeling, Sr. et al.
patent: 3396604 (1968-08-01), Samuels et al.
patent: 3561287 (1971-02-01), Lawrence, Jr.
patent: 3902375 (1975-09-01), Herrick et al.

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