Metal working – Method of mechanical manufacture – Electrical device making
Patent
1978-04-13
1980-05-06
Husar, Francis S.
Metal working
Method of mechanical manufacture
Electrical device making
H01H 4310
Patent
active
042009740
ABSTRACT:
An electrical switch construction having an electrical switch provided with different operating conditions, the construction having a timer moved actuator operatively associated with the switch for causing the switch to be respectively in one condition thereof a certain percentage of a certain increment of time and in another condition thereof for the remainder of the certain increment of time. The actuator is adapted for selecting the amount of the certain percentage of the certain increment of time within certain limits.
REFERENCES:
patent: 2920153 (1960-01-01), Horstmann
patent: 3699281 (1972-10-01), Harris
patent: 3846597 (1974-11-01), Ziegler
patent: 3925630 (1975-12-01), Harris
patent: 3950624 (1976-04-01), Harris
patent: 3965312 (1976-06-01), Mahon
patent: 3997742 (1976-12-01), Marquis
patent: 4001529 (1977-01-01), Mahon
Crosby Gene P.
Husar Francis S.
Robertshaw Controls Company
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