Manufacturing and mounting method of electrical contacts for...

Details Manufacturing and mounting method of electrical contacts for... Manufacturing and mounting method of electrical contacts for...

2007-12-04

2007-12-04

Tugbang, A. Dexter (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S622000, C029S874000, C029S882000, C029S884000, C029S896300, C029S896340, C200S519000, C200S538000, C200S542000, C368S187000, C368S321000

Reexamination Certificate

active

10923791

ABSTRACT:
There is disclosed a method for manufacturing and mounting electric contacts for control members of small dimensions, particularly for control members used in the horological field. This method includes the following steps: a) stamping and pre-shaping a plate of electrically conductive material for forming an intermediate base plate including a support structure and a plurality of electric contact strips still mechanically connected to said support structure by a plurality of points of attachment, each electric contact strip including a base and a flexible extension connected to said base to form a mobile part of an electric contact that can be actuated by a control member, b) positioning the intermediate base plate on a first support piece electrically insulated from said electric contact strips, c) fixing onto said first support piece a second support piece electrically insulated from said electric contact strips such that each of said electric contact strips is held between said first and second support pieces via its base and d) breaking said plurality of points of attachment connecting the plurality of electric contact strips to said support structure such that all of the electric contact strips are made independent and electrically insulated from each other.

REFERENCES:
patent: 3391456 (1968-07-01), Gannoe
patent: 4944691 (1990-07-01), Marach
patent: 5008498 (1991-04-01), Yamazaki
patent: 2002/0061686 (2002-05-01), Ma et al.
patent: 36 11 224 (1987-10-01), None
patent: 03011618.0 (2003-05-01), None

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