Cutlery – Perforating or indenting implements
Patent
1998-03-06
1999-12-14
Payer, Hwei-Siu
Cutlery
Perforating or indenting implements
30278, 83385, B26F 102
Patent
active
060001399
ABSTRACT:
A paper punch comprising a body having upper and lower parts and providing a horizontal gap between the body parts, a rotatable male die having a cross-section of a specific shape and supported within the upper body part for vertical movement, and a spring provided inside the upper body part for biassing the male die upwards. The paper punch includes a rotatable female die having a hole of substantially the same shape and size and provided within the lower body part, and a guiding member provided within the upper body part for guiding the male die in vertical alignment with the female die. A rotatable press-knob is provided on the upper body part for moving the male die downwards, against the action of the spring, to perform one of the two following actions. The first action is cooperating with the female die for making a hole on a sheet of paper inserted into the gap. The second action is engaging with the female die for simultaneous rotation by the press-knob to change the orientation of the hole to be made.
REFERENCES:
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patent: 1138860 (1915-05-01), Gladwin
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patent: 3741056 (1973-06-01), Saladin
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patent: 3906633 (1975-09-01), Inoue
patent: 5495671 (1996-03-01), Shun-Yi
patent: 5601006 (1997-02-01), Quinn et al.
Payer Hwei-Siu
Y & H Industrial Limited
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