Patent ID: 6076447
Filing Date: 2000-06-20
Classification: B26D,B26F,Y10T

Abstract:
A hand operated punching device for punching apertures in a sheet, the hand operated punching device comprising:a housing having a base forming a gap for receiving a sheet therein;a drive plate slidably displaceable in the housing in a plane parallel to the base, the drive plate having protrusions extending from a surface, wherein the drive plate protrusions are spaced apart in two dimensions, a first spacing between protrusions along the direction of the drive plate displacement and a second spacing perpendicular to the first spacing and in a plane parallel to the base;a plurality of punch assemblies disposed in the housing, each punch assembly comprising a punch disposed in a recess of the housing and operably engaging one of the protrusions of the drive plate such that displacement of the drive plate in the housing causes displacement of the punch toward the base and into the gap; anda handle operating the punch assemblies through actuation of the drive plate, the handle having a first end pivotally joined to the housing and operatively joined to the drive plate to selectively displace the drive plate with pivotal displacement of the handle.