Punching device for edge decoration having rotation unit
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United States of America Patent
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-
Jun 1, 2004
Grant Date -
N/A
app pub date -
Mar 13, 2003
filing date -
Mar 13, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A punching device for edge decoration having a rotation unit which is capable of punching out a predetermined pattern repeatedly along an edge of a workpiece while accurately rotating the workpiece at a regular pitch is disclosed. This punching device includes a base (18) to which a workpiece is supplied, a jig (15) mounted on the base (18) and having a pattern hole (17) of a predetermined pattern, a punching member (13) formed in correspondence with the pattern hole (17), the punching member (13) passing through the pattern hole (17) to perforate the workpiece, a rotating unit for rotating the workpiece supplied on the base (18) so as to form a diagram in the workpiece by successive punching, and a fixing unit for fixing the workpiece to the rotating unit. A locking unit may be further provided for intermittently locking the rotation of the workpiece executed by the rotating unit. The locking unit includes a recess (19) formed on the base (18) at a rotational center of the workpiece, a rotation plate (22) rotatably received in the recess (19), and a handle (26) for rotating the rotation plate (22).
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