Punching device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 20, 1991
Grant Date -
N/A
app pub date -
Sep 26, 1989
filing date -
Oct 4, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A punching device has a base for placing papers thereon, a plurality of single hole device bodies fixedly arranged in one row in the horizontal direction at predetermined distances on the base. Each of the single hole device bodies is provided with a punching rod and an operation handle for moving the punching rod upward and downward. The punching device also has a communicating member for interconnecting the operation handles of the single hole device bodies. The papers placed on the base are punched by the simple upward and downward operation of the operation handles.
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