TWO HOLE PUNCH TOOL

TWO HOLE PUNCH TOOL

PROBLEM TO BE SOLVED: To provide a two hole punch tool which efficiently transmits a handle pressing force to a punching blade.SOLUTION: A two hole punch tool comprises: a handle which may rotate around a handle rotation shaft; a first partial gear which is fixed to the handle and may rotate around...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: SASAKI NORIMASA
Format: Patent
Sprache:eng
Schlagworte:
CUTTING
CUTTING-OUT
HAND CUTTING TOOLS
PERFORATING
PERFORMING OPERATIONS
PUNCHING
SEVERING
SEVERING BY MEANS OTHER THAN CUTTING
STAMPING-OUT
TRANSPORTING
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a two hole punch tool which efficiently transmits a handle pressing force to a punching blade.SOLUTION: A two hole punch tool comprises: a handle which may rotate around a handle rotation shaft; a first partial gear which is fixed to the handle and may rotate around the handle rotation shaft; and a second partial gear which may rotate around a second partial gear rotation shaft. The handle rotation shaft and the second partial gear rotation shaft are pivotally supported at predetermined positions by an operation part fixing part fixed to a base. The first partial gear and the second partial gear engage with each other. A diameter of the second partial gear is more than two times larger than a diameter of the first partial gear, and punching blade driving means is provided at the second partial gear.