Title: Quick-change system for progressive die tooling

Abstract: A quick-change system for expediting installation of changes of progressive die tooling on single-acting presses having high slide/bed parallelism and slide-guide accuracy comprising tooling lanes having laterally-projecting tenons cooperating with lock means which mount on the press and in which the tooling is positioned by sliding and is cinched to location by heavily-leveraged means which clamp the tool onto the press using but a single manual operation.

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Inventors: Quaas, Dietmar G. (Arlington Heights, IL, US)

Application Number: 789259
Filing Date: 1977-04-20
Publication_date: 1979-03-06
Assignee: Buhrke Industries, Inc. (Arlington Heights, IL)
Primary Class(es): 72/482.2
Other Classes:
US Patent Ref:

1291521	Jan, 1919	Holmes	29/1.
2486075	Oct, 1949	Strom	29/1.
3610021	Oct, 1971	Hopper	83/698.

Other Refs: 3,610,021

Oct, 1938	DE2

Primary Examiner: Gilden, Leon
Assistant Examiner:
Attorney: Diver; John R.