Structure of jumper cable clamp

Details Structure of jumper cable clamp Structure of jumper cable clamp

1989-05-11

1990-05-08

Bradley, P. Austin

Electrical connectors

Metallic clamp-type connector for storage battery terminal

For threaded-receptacle type terminal flush with battery wall

439504, 439506, H01R 430

Patent

active

049234153

ABSTRACT:
This invention is to provide a new structure of jumper cable clamp to connect car batteries, which includes a conventional clamp having an insulated guide block set in one of the two clamping elements, which guide block is comprising a guide way for setting therein of a conductive charging clip, which conductive charging clip is further connected with an expansion spring, which expansion spring is further connected with an indicator lamp. When in use, the conductive charging clip may be pulled out and firmly engaged by the metal clamping jaw of the opposite clamping element, such that the conductive charging clip is served to clip on the battery terminal. Further, the indicator lamp will be turned on to give a warning signal if the clamp is secured to the wrong battery terminal.

REFERENCES:
patent: 3267452 (1966-08-01), Wolf
patent: 3745516 (1973-07-01), Lieberman
patent: 4345807 (1982-08-01), Shekel et al.
patent: 4420212 (1983-12-01), Wright
patent: 4565414 (1986-01-01), French
patent: 4620767 (1986-11-01), Woolf
patent: 4759728 (1988-07-01), Cobb

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