Finger guard for power distribution panel

Details Finger guard for power distribution panel Finger guard for power distribution panel

2006-01-17

2006-01-17

Chervinsky, Boris (Department: 2835)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electrical power distribution systems and devices

C361S627000, C361S628000, C361S643000, C200S050030

Reexamination Certificate

active

06987664

ABSTRACT:
A finger guard for an electrical circuit breaker includes a rear plate with an opening, a guard portion extending from the plate adjacent the opening, and a removable portion, or knock-out, positioned within the opening. A further finger guard for an electrical circuit breaker includes a rear plate with an opening, a guard portion extending from the plate adjacent the opening, and opposing ramped finger grips on the outer walls of the guard portion. A further finger guard for an electrical circuit breaker includes a rear plate with an opening, and a guard portion extending from the plate adjacent the opening, the plate further including a designation holder. An electrical power distribution system with a chassis having an electrical circuit including a mount for an electrical circuit breaker and an opening providing access to the mount, includes a finger guard mounted across the opening. A method of removing a finger guard from an opening on an electric power distribution chassis, removing a portion covering an opening in the finger guard, mounting the finger guard to an electrical circuit breaker, and inserting the electrical circuit breaker into a circuit breaker mount in an electrical circuit within the chassis.

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Exhibit A Telect, Inc., High Current Power Distribution Alarm Panel Users Manual, Issue A, Rev 1, ©1999, front cover, inside front cover, pp. 7, 17, 33 and rear cover.
Exhibit B Photograph of cover plates as shown in Telect, Inc., Catalog of Exhibit A.
Exhibit C Photograph of Carling Technologies fingerguard, undated.
Exhibit D Specification sheets for Telpower Compact Fused Disconnect Switch, dated Sep. 24, 2000, manufactured by Telect, Inc., and distributed by Cooper Bussmann.
Exhibit E “PowerWorx™ Traditional GMT Series Power Distribution Panel User Manual”,ADC Telecommunications, Inc., ADCP-80-520, Issue 1, pp. 1-33 (Dec. 1999).
Exhibit F “PowerWorx™ Power Distribution Products”,ADC Telecommunications, Inc., 6 pages (Aug. 2000).
Exhibit G “PowerWorx® Select Series™ Fuse Platform”,ADC Telecommunications, Inc., 8 pages (Aug. 2000).
Exhibit I “PowerWorx® SuperPower™ GMT Series”,ADC Telecommunications, Inc., 8 pages (Jan. 2001).
Exhibit J “PowerWorx® Traditional GMT Series”,ADC Telecommunications, Inc., 8 pages (Jan. 2001).
Exhibit K “PowerWorx® Uninterrupted Power GMT Series”,ADC Telecommunications, Inc., 8 pages (Jan. 2001).
Exhibit L Fingerguards mounted to circuit breakers in an ADC power distribution panel, 4 photographs.
Exhibit M Telect, Inc., power distribution panel, 17 photographs.

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