Battery termination panel

Details Battery termination panel Battery termination panel

1999-03-26

2001-11-27

Patel, Tulsidas (Department: 2839)

Electrical connectors

With insulation other than conductor sheath

Insulating body with spaced, electrically interconnected,...

C439S724000, C439S212000

Reexamination Certificate

active

06322400

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to a termination panel at which electrical connections are made to a bus bar, and particularly relates to a battery termination panel for use in a telecommunications equipment cabinet.
BACKGROUND OF THE INVENTION
A telecommunications equipment cabinet may contain backup batteries for use upon failure of an external power source. Such a cabinet also contains a rectifier which ordinarily receives AC current from the external power source, and a bus bar through which the telecommunications equipment is interconnected with the batteries and the rectifier. The bus bar and a support structure for the bus bar are assembled together as a unit separate from the cabinet and the other contents of the cabinet. Such a unit is referred to as a battery termination panel.
A known battery termination panel extends horizontally between a pair of mounting brackets in the cabinet. The support structure includes a rectangular front wall with mounting tabs at its opposite ends. The mounting tabs on the front wall are fastened to the mounting brackets in the cabinet. Braces project from the rear side of the front wall. A pair of bus bars are fastened to the braces in a horizontally extending, end-to-end orientation behind the front wall. The braces are formed of fiberglass so as to insulate the bus bars from the front wall, which is formed of metal.
In the foregoing type of battery termination panel, the bus bars have rear side surfaces that face horizontally away from the front wall. A terminal at the end of a wire or cable can be connected to either of the bus bars by a pair of fasteners. The fasteners extend through a pair of apertures in the terminal, and further through an aligned pair of apertures in the bus bar. Two fasteners are used so that each fastener can block movement of the terminal pivotally about the other fastener. This helps to prevent inadvertent loosening of the fastened connection.
SUMMARY OF THE INVENTION
In accordance with a principal feature of the present invention, an apparatus comprises a one-piece plastic part configured to support a bus bar in an electrical equipment cabinet. The plastic part includes an elongated front wall and an elongated box frame structure projecting transversely from a rear side of the front wall. The front wall and the box frame structure together define peripheral boundaries of an elongated chamber configured to contain the bus bar. The front wall defines a front side of the chamber, and is configured to block electrically conductive access to the bus bar through the front side of the chamber. The box frame structure defines an open rear side of the chamber, and is configured to provide access for insertion of an electrical terminal through the open rear side for connection of the terminal to the bus bar in the chamber.
In accordance with another principal feature of the invention, an apparatus includes a bus bar and an electrical terminal which is connectable to the bus bar. The terminal has a first aperture configured to receive a fastener for fastening the terminal to the bus bar. A mounting boss is located on one of those parts, and is configured to fit within a second aperture in the other part. When the mounting boss is received in the second aperture, it blocks movement of the terminal relative to the bus bar pivotally about the fastener.


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Drawing entitled, “Isolated, Dual Polarity Termination Panel”, dated Jun. 8. 1994 which is a drawing of prior art described in the background of the invention.

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