Structure for fixing a knob to a part to be operated through the

Details Structure for fixing a knob to a part to be operated through the Structure for fixing a knob to a part to be operated through the

1979-10-11

1981-08-25

Husar, C. J.

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

Sash balances

Spring

24113MP, 24241S, 745585, 335202, 403 14, E05B 100

Patent

active

042850975

ABSTRACT:
Disclosed is a structure for fixing a knob to a part to be operated through the knob, e.g. a switch of an electric circuit and the like. The fixing relies upon snap-fitting or engagement projections (or recesses) formed on the inner wall of the cap-shaped knob with recesses (or projections) formed on the surface of the part. At least one of the knob and the part is provided with at least one elastic tab unitary therewith, which tab exerts, when the knob is fitted to the part, a resilient force to bias the inner wall of the knob away from the part, so as to eliminate the shakiness of the knob on the part, affording a stable and safe fixing without necessitating unextraordinarily high dimensional precision of the knob and the part.

REFERENCES:
patent: 1815596 (1931-07-01), Stark
patent: 2230916 (1941-02-01), Tinnerman
patent: 2301169 (1942-11-01), Engstrom
patent: 2706774 (1955-04-01), Bowman
patent: 3361174 (1968-01-01), Bedford, Jr.
patent: 3386127 (1968-06-01), Hitzeroth et al.
patent: 3428344 (1969-02-01), Strange
patent: 3561287 (1971-02-01), Lawrence, Jr.
patent: 3810052 (1974-05-01), Yanaga
patent: 3863182 (1975-01-01), Lapointe
patent: 3906222 (1975-09-01), Astier et al.

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