Manual switch with timed electro-thermal latch release
Patent 4345233 Issued on August 17, 1982. Estimated Expiration Date: 
March 2, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 2, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3562689 3569887 InventorApplicationNo. 06/239872 filed on 03/02/1981US Classes:337/75, Bimetallic element unitary with or comprising latch means307/141, With time delay or retardation means337/79, With signal or indicating means337/81Retarded or delayed action typeExaminersPrimary: Beha, William H. Jr.Attorney, Agent or FirmInternational ClassesH01H 23/00 (20060101)H01H 43/30 (20060101) H01H 43/00 (20060101) AbstractA momentary ON rocker button switch (2) with bimetal detent latching (36) in the ON position and releasable by a heater (42) wound on the bimetal (36), the heater (42) being controlled through the output of a solid state timing circuit (TC, R1, C1) housed in the switch which is energized upon closure of the switch contacts (14a, 18).Field of SearchCyclically or periodically actuatedBimetallic element unitary with or comprising latch means With signal or indicating means With external or auxiliary heater Retarded or delayed action type Retarded or delayed type With delayed action or timing means With biased direct circuit opening means With mechanical timing means (e.g., clockwork) | |
