Mechanical control device for an electrical switchgear with...

Details Mechanical control device for an electrical switchgear with... Mechanical control device for an electrical switchgear with...

2007-06-05

2007-06-05

Enad, Elvin (Department: 2832)

Electricity: circuit makers and breakers

Multiple circuit control

Operating means

C200S04800A, C218S154000

Reexamination Certificate

active

11267493

ABSTRACT:
A control device (10) for an electrical switchgear with three switching positions including a closed position, an open position and an earthing position. The switchgear includes a main shaft (14) and a drive shaft (28). The control device includes a mode selector lever (30) designed to select one operating mode among a motor driven switching mode, a manual switching mode between the open position and the closed position of the electrical switchgear, and a manual switching mode between the open position and the earthing position of the electrical switchgear. The mode selector lever has an opening with a curved contour, and the control device includes a cam disk (50) with a cam (54) capable of moving inside the opening (40). The control device may be applied to an isolating switch.

REFERENCES:
patent: 1803163 (1931-04-01), Beebe
patent: 4475021 (1984-10-01), Mochizuki et al.
patent: 5938008 (1999-08-01), Wehrli et al.
patent: 6160234 (2000-12-01), Wehrli et al.
patent: 6285147 (2001-09-01), Andersson
patent: 1 271 588 (2003-01-01), None
patent: 1 271 589 (2003-01-01), None
patent: 1 465 222 (2004-10-01), None

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