Signals and indicators – Indicators – Operator movable
Patent
1978-07-10
1980-04-08
Yasich, Daniel M.
Signals and indicators
Indicators
Operator movable
74548, 403289, F16D 350, G05G 714
Patent
active
041966910
ABSTRACT:
Manually rotatable control or selector knob member adapted to be connected to an operating shaft for an electrical or electronic device, such as a rotary switch, a volume control, etc., said operating shaft having a forward end portion fluted in the longitudinal direction thereof, which has a locking hole formed centrally therein and an annular lining of resilient material provided inside the wall of the locking hole. With this construction, the knob member can be fastly coupled to the operating shaft, while being locked in place at any desired angular position with respect to the forward end portion of the shaft.
REFERENCES:
patent: 2098581 (1937-11-01), Jones
patent: 2156067 (1939-04-01), Rubinstein
patent: 3000656 (1961-09-01), Hollander
patent: 3619594 (1971-11-01), Morez
patent: 3853090 (1974-12-01), Watson et al.
patent: 3902152 (1975-08-01), Van Benthuysen
patent: 3932048 (1976-01-01), DuPont
patent: 3973206 (1976-08-01), Haselwood et al.
patent: 3990013 (1976-11-01), Badger
patent: 4015253 (1977-03-01), Goldstein
patent: 4041401 (1977-08-01), Kitamura et al.
patent: 4121160 (1978-10-01), Cataldo
General Research of Electronics Inc.
Yasich Daniel M.
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