B - Operations – Transporting – 26 – F
Patent
B - Operations, Transporting
26
F
B26F 1/02 (2006.01) B26F 1/14 (2006.01)
Patent
CA 2272424
A punch pin (9) having a V-shaped groove (18) sized and configured to punch stacks of paper sheets (s) which vary through a range of heights. With the present invention, the groove is constructed with a height greater than the maximum height of the stack being punched.
L'invention concerne un poinçon (9) de perforatrice à papier doté d'une gorge (18) en forme de V, et possédant des dimensions et une configuration qui lui permettent de perforer des piles de feuilles (s) de papier de hauteurs variées. Selon la présente invention, la gorge présente une hauteur supérieure à la hauteur maximale de la pile à perforer.
Evans Alfred J.
Feng David Q.
Kandasamy Balaji
Acco Brands Inc.
Acco Usa Inc.
Osler Hoskin & Harcourt Llp
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