H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/328
H01H 3/30 (2006.01)
Patent
CA 1303656
ABSTRACT OPERATING MECHANISM OF A THREE-POSITION SWITCH An operating mechanism of a three-position switch comprises a tumbler device with an energy storage spring associated with a toggle, a main operating crank controled by a switching shaft, and an earthing crank mounted in rotation on a first operating spindle. Opening and closing are performed by means of a second operating spindle, offset from the operating shaft and operating in conjunction with a transmission system designed to drive the toggle. A latching lever of the main crank is unlocked by a boss when the toggle is in the vicinity of the dead-point.
561821
Micoud Robert
Vernay Jacques
Gerin Merlin
Robic
LandOfFree
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