Adjustable circuit-interrupter with improved support means

Claim 2

A truck-mounted roll-in-type circuit-interrupter assemblage comprising, in combination, upper and lower power conductor-bar assemblies extending in generally horizontal spaced vertical relationship and movable in a rearward direction into a circuit-operative position within a cooperating cell-structure, insulating supporting means for spacing said two horizontally-disposed power conductor-bar assemblies in spaced vertical relationship, each of said power conductor-bar assemblies having extending rearwardly thereof and disposed at the rear extremities thereof a movable primary disconnecting contact structure (21, 38), insulating and bridging adjusting means (52) for adjusting the vertical height of the upper movable primary disconnecting contact structure at the rear end of the upper power conductor-bar assembly (21), said insulating and bridging adjusting means (52) being disposed adjacent and bridging the front ends of the two horizontally-disposed power conductor-bar assemblies and adjustably fixedly secured in bridging relationship to both of the vertically-spaced conductor-bar assemblies, said insulating supporting means being disposed intermediate the forward-disposed adjusting means and the rearwardly-disposed movable primary disconnecting contact structures so that the upper power conductor-bar assembly may pivot on the upper end of the insulating supporting means as a fulcrum point for adjustment purposes, and circuit-interrupting switching means disposed between said adjusting means (52) and said insulating supporting means.

Claim 3

The combination according to claim 1, wherein the circuit-interrupting switching means comprises a vacuum-type circuit-interrupting element having a conducting stationary contact stem (12), and the conducting stationary contact stem (12) of the vacuum-type interrupting element being adjustably clamped to the upper power conductor-bar assembly.

Claim 4

The combination according to claim 2, wherein the vacuum-type circuit-interrupting element is fixedly secured in clamped relationship to the lower-disposed power conductor-bar assemblage.

Claim 5

The combination according to claim 1, wherein the insulating supporting means comprises a pair of side-by-side insulating stand-off insulators.

Claim 6

The combination according to claim 1, wherein means define a lower-disposed mechanism-chassis assemblage, and an additional insulating supporting means spaces said lower power conductor-bar assemblage vertically upwardly away from said lower-disposed mechanism-chassis assemblage (41).

Claim 7

The combination according to claim 1, wherein the lower-disposed power conductor-bar assemblage comprises two generally horizontally-disposed rectangularly-shaped power conductor-bars (25, 26), and conducting roller members interconnect the current from the conducting movable contact-stem (45) to the lower power conductor-bar assemblage (4).

Claim 8

The combination according to claim 4, wherein means defines a lower-disposed grounded mechanism-chassis (41), and an additional pair of side-by-side insulating stand-off insulators are provided to space the lower power conductor-bar assemblage (4) upwardly away from said lower-disposed grounded mechanism-chassis (41).

Claim 9

The combination according to claim 5, wherein a second insulating adjustable supporting-rod means (47) is adjustably secured to both the said mechanism-chassis and the lower power conductor-bar assemblage (4).

Claim 10

The combination according to claim 1, wherein the upper power conductor-bar assemblage comprises a pair of vertically-spaced generally rectangularly-configured horizontally-disposed power conductor-bar plates (15, 16).

Claim 11

The combination according to claim 1, wherein the upper and lower power conductor-bar assemblages both comprise pairs of vertically-spaced generally rectangularly-configured horizontally-disposed power conductor-bars spaced vertically apart for ventilation purposes.

Claim 12

The combination according to claim 6, wherein a plurality of conducting spacing sleeves are provided between the vertically-spaced horizontal power conductor-bars of the lower power conductor-bar assemblage (25, 26), and conducting roller members are interposed between the plurality of spacing sleeves and the reciprocally vertically-movable conducting contact-stem of the vacuum circuit-interrupting element.

Claim 13

The combination according to claim 1, wherein one or more metallic cooling-fin structures are affixed to at least a portion of the upper power conductor-bar assemblage.

Claim 14

The combination according to claim 1, wherein one or more metallic cooling-fin structures are affixed to at least portions of both of the verticlly-spaced power conductor-bar assemblages (3, 4).

Claim 15

A truck-mounted roll-in-type circuit-interrupter assemblage comprising, in combination, upper and lower power conductor-bar assemblies (3, 4) extending in generally horizontal spaced vertical relationship and movable in a rearward direction into a circuit-operative position within a cooperating cell-structure, insulating supporting means (7) for spacing said two horizontally-disposed power conductor-bar assemblies (3, 4) in spaced vertical relationship, each of said power conductor-bar assemblies having extending rearwardly thereof and disposed at the rear extremities thereof a movable primary disconnecting contact structure (21, 38), insulating bridging adjusting means (47) for adjusting the vertical height of the lower movable primary disconnecting contact structure (38) at the rear end of the lower power conductor-bar assembly (4), said insulating adjusting bridging means (47) being disposed adjacent the front end of the lower power conductor-bar assemblage (4) and to a lower metallic frame-chassis (41), additional insulating supporting means (32) being disposed intermediate the forward-disposed adjusting means (47) and the rearwardly-disposed movable primary disconnecting contact structure (38) so that the lower power conductor-bar assembly (4) may pivot on said generally upstanding insulating supporting means (32) as a fulcrum point for adjustment purposes to accurately locate the rear end of the lower power conductor-bar assemblage (38), and circuit-interrupting switching means disposed between said two vertically-spaced horizontally-disposed power conductor-bar assemblies (3, 4) and located in front of said first-mentioned insulating supporting means (7) so that the first-mentioned insulating supporting means (7) is disposed between said circuit-interrupting switching means and the rearwardly-disposed movable primary disconnecting contact structures (21, 38).

Claim 16

A truck-mounted roll-in-type circuit-interrupter assemblage comprising, in combination, upper and lower power conductor-bar assemblies (3, 4) extending in generally horizontal spaced vertical relationship and movable in a rearward direction into a circuit-operative position within a cooperating cell-structure, insulating supporting means (7) for spacing said two horizontally-disposed power conductor-bar assemblies (3, 4) in spaced vertical relationship, each of said power conductor-bar assemblies having extending rearwardly thereof and disposed at the rear extremities thereof a movable primary disconnecting contact structure (21, 38), insulating bridging adjusting means (47) for adjusting the vertical height of the lower movable primary disconnecting contact structure (38) at the rear end of the lower power conductor-bar assembly (4), said insulating adjusting bridging means (47) being disposed adjacent the front end of the lower power conductor-bar assemblage (4) and to a lower metallic frame-chassis (41), additional insulating supporting means (32) being disposed intermediate the forward-disposed adjusting means (47) and the rearwardly-disposed movable primary disconnecting contact structure (38) so that the lower power conductor-bar assembly (4) may pivot on said generally upstanding insulating supporting means (32) as a fulcrum point for adjustment purposes to accurately locate the rear end of the lower power conductor-bar assemblage (38), and circuit-interrupting switching means disposed between said two vertically-spaced horizontally-disposed power conductor-bar assemblies (3, 4) and located in front of said first-mentioned insulating supporting means (7) so that the first-mentioned insulating supporting means (7) is disposed between said circuit-interrupting switching means and the rearwardly-disposed movable primary disconnecting contact structures (21, 38).

Claim 17

The combination according to claim 14, wherein the additional upstanding insulating support means (32) comprises a pair of laterally-spaced post-type insulators.

Claim 18

The combination according to claim 14, wherein said circuit-interrupting switching means comprises a vacuum-type circuit-interrupting element said vacuum-type circuit-interrupter element having a movable contact therein, vertically-extending insulating contact-operating means for said vacuum-type circuit-interrupter element, said contact-operating means being disposed between the aforesaid insulating bridging adjustment means (47) and the additional upstanding insulating supporting means (32).