Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1983-10-03
1985-06-11
Marcus, Stephen
Electricity: circuit makers and breakers
Liquid contact
Time delay
200160, H01H 2126
Patent
active
045230650
ABSTRACT:
A trigger operated panic safety switch is provided which has a trigger member and a switch enclosure with spaced apart electrical contact members located in an intermediate portion of the chamber. The trigger member drives a carrier with an interconnect member from an initial portion, through the intermediate portion, to an end portion of the chamber, and back again, in accordance with the pressure applied to its trigger member. The interconnect member enables contact members to be electrically connected to turn on the switch when the carrier is positioned in the intermediate portion of the chamber. The safety switch is also disclosed to have an insulator slide member which has an indentation to receive the interconnect member of the carrier in the end portion of the chamber to prevent electrical connection of the switch, and to be moved by the interconnect member until the carrier is returned to the initial portion of the chamber.
REFERENCES:
patent: 2747840 (1960-08-01), Park et al.
patent: 3117206 (1964-01-01), Bush
Kidorf Renee S.
Marcus Stephen
Mednick Robert
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