Metal deforming – With means to drive tool – Including link-actuated tool support
Patent
1994-04-28
1996-01-09
Jones, David
Metal deforming
With means to drive tool
Including link-actuated tool support
83630, 100281, B21J 918
Patent
active
054818982
ABSTRACT:
An articulated ram assembly in a tooling module for a stamping and forming machine is disclosed. The ram assembly has a first member that is caused to reciprocate within a passageway in a box structure by a lever eccentrically coupled to a drive shaft. The ram assembly includes a second member that is in sliding engagement with the first member and coupled thereto by means of four links. The links are pivotally attached to one of the members and are pivotally coupled through slide blocks to the other member. The links are also pivotally coupled by slide blocks to the box structure so that as the first member undergoes reciprocating motion within the box structure the second member undergoes reciprocating motion at a different rate than the first member. Therefore, the length of stroke of the second member is different than the length of stroke of the first member.
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Jones David
Noll William B.
The Whitaker Corporation
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