US 4,226,493 AGranted

Terminal block with fuse guards and identification surface

AssigneeFord Motor Company

InventorsThomas M. Cairns, John H. Dewar, Emmons F. Sumner

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Abstract

This specification discloses an automobile terminal block for receiving fuses and electrical connections to various electrical components of the automobile. The terminal block has a passage for receiving a fuse holder which is mounted within the terminal block. A blade contact from the fuse is received by the fuse holder. The upper end of two adjacent passages receive a portion of the body of the fuse. At both ends of the fuse, extending upward from the top of the passages is a generally semi-circular fuse guard. The fuse guards shield the fuse from forces that might result in accidential or undesirable removal of the fuse from the terminal block. The fuse guards are spaced from one another and extend only around an end portion of the fuse so that a central portion of the fuse can be easily grasped by the fingers for easy removal from the terminal block. The terminal block also includes an identification surface extending laterally outward from the base of the fuse guard so that information identifying the fuse adjacent the surface can be inscribed thereon. It is particularly advantageous that there can be this combination of a fuse guard and an identification surface. Further, the fuse guard and identification surface can be mounted on a removable connector body which can be removed to provide a space adapted for receiving a circuit breaker, which is larger than a fuse. The fuse receiving passages can also include an entry control ledge for guiding and securing a fuse.

Claims2

Dependent claims

A fuse terminal block assembly for an automotive electrical system, said fuse terminal block assembly having a terminal block with a passage for receiving a blade contact of a fuse, said passage including a fuse holder for contacting the blade contact of a fuse;

a support means extending above the top surface of said passage so as to partially surround a fuse inserted into said passage thus providing protection against accidental removal of the fuse from said passage and yet exposing a portion of said fuse to facilitate intentional removal of the fuse from said passage;
an identification surface extending generally perpendicular to the direction of extension of said support means, said identification surface extending generally laterally away from the top opening of said passage for providing a surface for displaying information about the fuse to be placed in said passage;
and
a cavity in said terminal block and a connector body insertable in said cavity, said connector body being adapted to receive a fuse, said cavity being adapted for receiving a circuit breaker thus increasing the versatility of said terminal block, said connector body having an opening aligned with said passage for receiving a fuse, said connector body including said support means and further including connection means for coupling said connector body to the remainder of said terminal block, said connector body being removable from said terminal so that there is provided an opening sufficiently large for the insertion of a circuit breaker with contacts reaching the same contact points in said fuse holder as a fuse which is used in conjunction with said connector body, said connection means including a pair of spaced fingers engaging a portion of said terminal block adjacent said passage and said terminal block including a latch means for receiving said fingers thereby releasably securing said connector body as a part of said terminal block.

1 more element

a support means extending above the top surface of said passage so as to partially surround a fuse inserted into said passage thus providing protection against accidental removal of the fuse from said passage and yet exposing a portion of said fuse to facilitate intentional removal of the fuse from said passage;
an identification surface extending generally perpendicular to the direction of extension of said support means, said identification surface extending generally laterally away from the top opening of said passage for providing a surface for displaying information about the fuse to be placed in said passage;
said passage has an entry control means for guiding the blade contacts of the fuse toward the fuse holder;
said fuse holder includes a spring clip with two mirror image prongs folded back on themselves so that the blade contact of the fuse can be held resiliently between the two prongs;
said entry control means extending from each side of said passage over at least a portion of each of said two prongs so that the blade contacts of the fuse are guided between the two prongs thereby insuring a good electrical connection and are prevented from entering the region between the passage wall and one of the prongs;
and
said entry control means includes a ledge of sufficient height, in the direction of blade contact insertion, so that it can provide an insertion guide for the body of a fuse inserted into said terminal block and apply a securing influence on the body of the fuse when the fuse is positioned in the terminal block, the top surface of said entry control means having a downwardly sloping surface toward said fuse holder so that a blade contact of a fuse striking said top surface is guided to a seating position between said two prongs.

4 more elements

Dependencies are inferred from the claim text.