Electric press machine

Details Electric press machine Electric press machine

1998-05-27

1999-09-14

Gerrity, Stephen F.

Presses

Portable receptacle lid applying

With gathering of contents

7240516, 72450, 724525, 100207, 100282, B30B 1530, B30B 106

Patent

active

059505311

ABSTRACT:
In a feeding mechanism 4 which reciprocates the feed arm 80 in a direction of transporting a lead frame, a movable body is linked via a second fulcrum 37 (movable fulcrum) with a rocking arm 30 which is pressingly contacted with a feed cam 11 and which rocks about a first fulcrum 31 (stationary fulcrum), rocking movement of the rocking arm 30 is converted into linear movement of the movable body which is directly coupled to reciprocal movement of the feed arm 80, and the distance between the first fulcrum 31 of the rocking arm 30 and the second fulcrum 37 is changed in the longitudinal direction of the rocking arm 30, thereby enabling a feed stroke of the feed arm 80 to be linearly changed.

REFERENCES:
patent: 3766771 (1973-10-01), Spachner et al.
patent: 5666850 (1997-09-01), Yanagisawa et al.

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