Sequential numbering of pieces obtained by injection

Details Sequential numbering of pieces obtained by injection Sequential numbering of pieces obtained by injection

2006-09-26

2006-09-26

Nguyen, Anthony H. (Department: 2854)

Printing

Selective or progressive

Numbering

C101S110000

Reexamination Certificate

active

07111550

ABSTRACT:
A numbering apparatus incorporates a push rod which is pushed mechanically by an ejector plate or other mechanism of an injection mold in each injection process. The push rod moves, in a linear direction, a link attached to a central cylinder which turns inside wheels having, on their outer face, marking digits. The wheels have an inner toothing, on which pressure is exerted by a comb, made up of comb teeth, that protrude externally from the central cylinder in order to change the position of the wheel in the forward direction of the central cylinder. The digit displayed, while also incorporating magnets, matching up with the outer face of the wheel which assist in securing the position of the comb, thereby preventing the wheel from turning while the cylinder is sliding back.

REFERENCES:
patent: 1 410 893 (2004-04-01), None

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