Method of bending lead of electric part and bender therefor
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United States of America Patent
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Oct 27, 1992
Grant Date -
N/A
app pub date -
May 10, 1991
filing date -
Feb 22, 1990
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A method of efficiently bending a lead of an electric part by use of a bender including an upper die and a lower die without denting or scratching the lead and hence causing no peeling of the plating therefrom. The method comprises the steps of: clamping the root portion of the leads between a moving stripper of the upper die and a fixed die member of the lower die; effecting a first motion in which the distal end portion of the lead that is clamped between a moving punch of the upper die and a moving die member of the lower die is pressed downwardly; and effecting a second motion simultaneously with the first motion, in which the moving punch and the moving die member, which clamp the distal end portion of the lead, are moved in a direction perpendicular to the direction of the first motion, thereby bending the lead along an approximately circular locus about the root portion of the lead by a resultant motion from the first and second motions of the moving punch and the moving die member.
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