H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/196
H01H 35/24 (2006.01) B60R 16/02 (2006.01) H01H 35/38 (2006.01) H01H 1/16 (2006.01) H01H 11/00 (2006.01)
Patent
CA 1270023
Abstract of the Disclosure An electrical pressure switch that can be readily adapted for either normally open or normally closed operation and that has opposed annular seats, a movable contact and ball valve movable between and individually engageable with the seats, and an O-ring uniquely associated with the ball valve and a related sealing surface in seated, unseated and all intermediate positions of the valve to maintain an effective seal at all times against fluid pressure to which the switch is connected.
502425
Lectron Products Inc.
Macrae & Co.
Miller Ellsworth S.
LandOfFree
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