Plug-in-type switchgear

Claim 2

In combination, plug-in support means and a circuit interrupter supported on said plug-in support means, said plug-in support means comprising insulating support means and plug-in type terminal means on said insulating support means, said circuit interrupter comprising a circuit interrupter housing and plug-type terminal means on said circuit interrupter housing, said circuit interrupter removably mounted on said plug-in support means with said plug-type terminal means in plug-in cooperating engagement with said plug-in-type terminal means, mounting and terminal pressure means securing said circuit interrupter to said plug-in support means and providing a contact-pressure bias between said plug-type terminal means and said plug-in-type terminal means.

Claim 3

The combination according to claim 1, said mounting and terminal pressure means comprising bolt means securing said circuit interrupter to said plug-in support means and simultaneously providing a bolted contact pressure bias between said plug-type terminal means and said plug-in-type terminal means.

Claim 4

The combination according to claim 1, said plug-in support means comprising a generally planar front, said circuit interrupter mounted on said plug-in support means at the front of said plug-iN support means with said plug-type terminal means in plug-in cooperating engagement with said plug-in-type terminal means, said mounting and terminal pressure means comprising wedge type terminal pressure means on said insulating support means and mounting bolt means cooperating with said wedge-type terminal pressure means to bolt said circuit interrupter housing to said insulating support means and to simultaneously actuate said wedge-type terminal pressure means to provide a bolted contact pressure bias between said plug-type terminal means and said plug-in-type terminal means.

Claim 5

The combination according to claim 3, and said wedge-type terminal pressure means comprising insulating toggle means operated by said mounting bolt means into an actuated erected condition to provide said bolted contact pressure bias between said plug-type terminal means and said plug-in-type terminal means.

Claim 6

The combination according to claim 4, said plug-in support means comprising a row of three spaced plug-in-type terminals across said insulating support means in proximity to one end thereof and a row of three spaced plug-in-type terminals across said insulating support means in proximity to the other end thereof, said circuit interrupter comprising a row of three spaced plug-type terminals across said circuit interrupter housing in proximity to one end thereof and a row of three spaced plug-type terminals across said circuit interrupter housing in proximity to the other end thereof, said circuit interrupter removably supported on said insulating support means with each of said plug-type terminals in plug-in cooperating engagement with a separate one of said plug-in-type terminals, said terminal pressure means comprising two insulating toggle-type terminal pressure means supported on said insulating support means in proximity to one end of said insulating support means and two insulating toggle-type terminal pressure means supported on said insulating support means in proximity to the other end of said insulating support means, each of said insulating toggle-type terminal pressure means positioned in a separate space between a center pole plug-in-type terminal and an outer pole plug-in-type terminal, a separate mounting bolt for each of said insulating toggle-type terminal pressure means, each of said separate mounting bolts cooperating with said circuit interrupter housing and the associated insulating toggle-type terminal pressure means to secure said circuit interrupter to said plug-in support means and to erect the associated insulating toggle-type terminal pressure means to a pressure exerting condition whereby the four mounting bolts secure said circuit interrupter to said plug-in support means and simultaneously operate the four insulating toggle-type terminal pressure means to provide bolted contact pressure bias between the six plug-type terminals and their associated six plug-in-type terminals.

Claim 7

In combination, multipole plug-in support means and a multipole circuit interrupter on said plug-in support means, said plug-in support means comprising an insulating support block and a pair of pole-unit plug-in-type terminals on said insulating support block in a spaced relationship across said support block, each of said plug-in-type terminals comprising a pair of spaced-bar conductors supported in a spaced relationship on said support block, said circuit interrupter comprising a circuit interrupter housing and a pair of pole-unit plug-type terminals supported in a spaced relationship on said housing in proximity to one end of said housing, said circuit interrupter supported with said one end of said housing on said support block and with each of said plug-type terminals cooperating with a separate one of said plug-in-type terminals with each of said plug-type terminals disposed between the bar conductors of the associated plug-in-type terminal, terminal pressure means on said support block between said plug-in-type terminals, said terminal pressure means comprising insulating wedge-type pressure means between a first bar conductor of one of said pairs of bar conductors and a first bar conductor of the other of said pairs of bar conductors, said plug-in support means comprising means limiting movement of the second bar conductors of bar conductors away from each other, and said insulating wedge-type terminal pressure means being operable to force said first bar conductors away from each other to thereby provide contact pressure between each of said plug-type terminals and the associated plug-in-type terminal.

Claim 8

In combination, multipole plug-in support means and a multipole circuit interrupter on said plug-in support means, said plug-in support means comprising an insulating support block and a pair of pole-unit plug-in-type terminals on said insulating support block in a spaced relationship across said support block, each of said plug-in-type terminals comprising a pair of spaced-bar conductors supported in a spaced relationship on said support block, said circuit interrupter comprising a circuit interrupter housing and a pair of pole-unit plug-type terminals supported in a spaced relationship on said housing in proximity to one end of said housing, said circuit interrupter supported with said one end of said housing on said support block and with each of said plug-type terminals cooperating with a separate one of said plug-in-type terminals with each of said plug-type terminals disposed between the bar conductors of the associated plug-in-type terminal, terminal pressure means on said support block between said plug-in-type terminals, said terminal pressure means comprising insulating wedge-type pressure means between a first bar conductor of one of said pairs of bar conductors and a first bar conductor of the other of said pairs of bar conductors, said plug-in support means comprising means limiting movement of the second bar conductors of bar conductors away from each other, and said insulating wedge-type terminal pressure means being operable to force said first bar conductors away from each other to thereby provide contact pressure between each of said plug-type terminals and the associated plug-in-type terminal.

Claim 9

The combination according to claim 6, and said insulating wedge-type terminal pressure means comprising a pair of insulating toggle members operable from an underset condition to an erected condition to wedge said first bar conductors away from each other to thereby provide contact pressure between said plug-type terminals and said plug-in-type terminals.

Claim 10

The combination according to claim 7, said insulating wedge-type terminal pressure means comprising an actuating member having a tapped opening therein and positioned opposite the pivot of said insulating toggle members, a bolt member threadedly engaging said actuating member and rotatable to draw said actuating member to an actuating position during which movement said actuating member operates against said pivot to erect said insulating toggle members to provide contact pressure between said plug-type terminals and said plug-in-type terminals.

Claim 11

The combination according to claim 8, said bolt member cooperating with said housing and said insulating toggle-type terminal pressure means to secure said one end of said housing to said insulating support block.

Claim 12

Multipole plug-in support means for supporting a multipole plug-in-type circuit interrupter, said support means comprising an insulating support block, a pair of pole-unit plug-in-type terminals on said insulating support block in a spaced relationship on said insulating support block for cooperating with a pair of plug-type terminals of said circuit interrupter, each of said plug-in-type terminals comprising a pair of spaced generally flat bar conductors for receiving one of said plug-type terminals therebetween, insulating wedge-type terminal pressure means on said insulating support block between a first bar conductor of one of said plug-in-type terminals and a first bar conductor of the other of said plug-in-type terminals, said insulating wedge-type terminal pressure means being operable from an unactuated position to an actuated position to force said first bar conductors away from each other to provide contact pressure between said plug-in-type terminals and said plug-type terminals.

Claim 13

Multipole plug-in support means for supporting a multipole plug-in-type circuit interrupter, said support means comprising an insulating support block, a pair of pole-unit plug-in-type terminals on said insulating support block in a spaced relationship on said insulating support block for cooperating with a pair of plug-type terminals of said circuit interrupter, each of said plug-in-type terminals comprising a pair of spaced generally flat bar conductors for receiving one of said plug-type terminals therebetween, insulating wedge-type terminal pressure means on said insulating support block between a first bar conductor of one of said plug-in-type terminals and a first bar conductor of the other of said plug-in-type terminals, said insulating wedge-type terminal pressure means being operable from an unactuated position to an actuated position to force said first bar conductors away from each other to provide contact pressure between said plug-in-type terminals and said plug-type terminals.

Claim 14

Multipole plug-in support means according to claim 10, said insulating wedge-type terminal pressure means comprising a pair of insulating toggle members supported on said support block between said first bar conductors in an underset unactuated position, actuating means operable to actuate said insulating toggle members to an actuated erected position wherein said insulating toggle members force said first bar conductors away from each other to provide contact pressure between said plug-in-type terminals and said plug-type terminals.

Claim 15

Multipole plug-in support means according to claim 11, said insulating toggle members being in pivotal engagement at a knee pivot, said actuating means comprising an actuating member having a tapped opening therein for receiving an actuating bolt which may be threaded into said tapped opening to draw said actuating member to an actuated position during which movement said actuating member operates against said knee pivot to actuate said insulating toggle members to said actuated erected position.

Claim 16

Multipole plug-in support means according to claim 12, said insulating support block comprising a generally planar front for supporting said circuit interrupter, said actuating member positioned with the center line of the tapped opening therein generally normal to said gEnerally planar front whereby said actuating bolt can be operated from the front of said support means to draw said actuating member to the actuated position.