Snap action removable knob

Details Snap action removable knob Snap action removable knob

1983-04-29

1984-12-11

Silverberg, Fred A.

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

Sash balances

Spring

16DIG30, 16DIG40, 24241S, 24607, 74553, 403348, B65D 2528, B25G 100

Patent

active

044869185

ABSTRACT:
A knob assembly is provided which includes a knob having an integral shaft. The knob further includes a circular groove therein, and first and second cams situated in the groove. A knob receiving member includes an aperture in which the shaft of the knob is situated. Two snap fingers of flexible material extend from the sides of the aperture to engage the knob when the knob is pressed into the aperture. The knob is conveniently removed from the aperture by rotating the knob until the first and second cams contact and push the first and second snap fingers, respectively, out of the groove.

REFERENCES:
patent: 2271265 (1942-01-01), Kost
patent: 3011794 (1961-12-01), Vaughn
patent: 3390903 (1968-07-01), Sabonis
patent: 3413953 (1968-12-01), Kuhl et al.
patent: 3476421 (1969-11-01), Torres
patent: 3887222 (1975-06-01), Hammond
patent: 3986780 (1976-10-01), Nivet
patent: 4043685 (1977-08-01), Hyams

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