Card slot punch device
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United States of America Patent
Stats
-
Apr 27, 2010
Grant Date -
Feb 16, 2006
app pub date -
Jul 19, 2005
filing date -
Aug 11, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A punch device for punching parallel slots in sheets to facilitate the mounting of card-like objects on sheets. The device comprises a male plate on which at least one pair of cutting projections are mounted. The device also comprises a female plate moveably hinged to the male plate through which rectangular slots are formed, each slot being so positioned as to correspondingly face one of the cutting projections in the male plate. The hinge assembly comprises an axle part and a swivel part. The axle part comprises cams and the swivel part comprises grooves. The cams are positioned to penetrate the grooves and wrap around over an angle less than the whole circumference of the axle part.
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