Latching means for switch operator uncoupling mechanism

Details Latching means for switch operator uncoupling mechanism Latching means for switch operator uncoupling mechanism

H - Electricity

01

H

306/272

H01H 9/22 (2006.01)

Patent

CA 1114868

LATCHING MEANS FOR SWITCH OPERATOR UNCOUPLING MECHANISM Abstract: Disclosed is an operating mechanism for high voltage switches that incorporates certain uncou- pling, drawout, and interlocking features. The operating mechanism is mounted on rollers which roll in tracks on upper and lower mounting brackets attached to the side of the equipment enclosure also containing the high voltage switches. In the test position, the switch operating mechanism is uncoupled from the high voltage switches thereby permitting the switch operating mechanism and its control circuits to be exercised without moving the high voltage switch contacts. In the maintenance position, the switch operating mechanism is accessible for conducting maintenance. A latching mechanism secures the switch oper- ating mechanism in its test and maintenance positions. By operating a drawout latch lever which is located on the control panel of the operating mechanism on the outside of the equipment enclosure, the latching mechanism can release the switch operating mechanism from the test or maintenance positions permitting it to be reinserted or withdrawn farther. The drawout latch lever on the control panel of the switch operating mechanism also indicates when the switch operating mechanism is in the test or maintenance positions. The coupled position of the switch operating mechanism is sensed electrically by a position indicating switch. A locking mechanism prevents any movement of the high voltage switch while the door of the equipment enclosure is in a predeter- mined position or while the switch operating mechanism is uncoupled. An indicator on the control panel indicates the position of the high voltage switch. -2-

326629

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