Method for press-installing wires

Details Method for press-installing wires Method for press-installing wires

1990-05-31

1991-05-28

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

29715, 29753, H01R 4304

Patent

active

050182692

ABSTRACT:
In the wire press-installing apparatus of this invention, the ram is lowered onto the joint block to press wires into rows of receiver terminals that are erected at specified pitches on the joint block of a wiring harness. The joint block is intermittently fed by a distance equal to the pitch of the terminal rows and only the predetermined wires are selectively taken out and seated into the associated rows of receiver terminals. This prevents wrong wires from being seated in unintended terminals or the joint block from being fed by a wrong pitch. The apparatus has a wire misinstallation detection mechanism, which consists of wire guides mounted vertically slidable on the lower front and back side of the vertically movable wire press-installing blade through a resilient member. When a wire is misinstalled, the lower ends of the wire guides abut against a misinstalled wire that has fallen from the receiver terminals onto the joint block, causing the wire guides to move up, activating an alarm circuit and stopping the lowering movement of the ram. This eliminates defective products and significantly improves work efficiency.

REFERENCES:
patent: 3377915 (1968-04-01), Buckett
patent: 3548493 (1970-12-01), Hubbard

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