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US Patent: 4,907,481
Powered press with manual punch and die alignment capability
Patentees:
Charles J. Dvorak (exact or similar names) - Cosmos, MN
Jim Dvorak (exact or similar names) - Cosmos, MN

USPTO Classifications:
29/465, 83/571, 83/639.1, 83/699.31

Tool Categories:
metalworking machines : metal punching machines
metalworking tools : metal punches

Assignees:
None

Manufacturer:
Uni-Hydro Inc. - Cosmos, MN

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 02, 1987
Granted: Mar. 13, 1990

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Uni-Hydro Inc.
Description:
This invention relates to a die alignment mechanism for the press portion of a combination press and shear, i.e., an ironworker. The shear mechanism is that of patent 4,054,075.

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