Electricity: circuit makers and breakers – Electric switch details – Cases and bases
Patent
1980-01-14
1981-09-08
Shepperd, John W.
Electricity: circuit makers and breakers
Electric switch details
Cases and bases
200308, 200 38A, 74548, H01H 916, H01H 1900
Patent
active
042886716
ABSTRACT:
A means for preventing the bypassing of the timer protective mechanisms in an automatic washing machine is provided by a shield freely rotatable on the timer shaft fully covering the indicator dial across its face and over its edges and being transparent so as to allow the indicator to be seen, while preventing manual access to the control components associated with the timer shaft.
REFERENCES:
patent: 2501008 (1950-03-01), Schramm
patent: 2825772 (1958-03-01), Jones
patent: 2933581 (1960-04-01), Naimer
patent: 3114013 (1963-12-01), Morschel
patent: 3210040 (1965-10-01), Thurlow
patent: 3393657 (1964-01-01), Fukunishi
patent: 3473408 (1969-10-01), Bettinger
patent: 3566063 (1971-02-01), McConnell
patent: 3902375 (1975-09-01), Herrick et al.
Shepperd John W.
Whirlpool Corporation
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