Hole punch device for selectively punching different arrays of holes in sheet material
OwnerHildaur L. Neilseninventor
Life of this patent
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Abstract
A single punch head is slidable along a multi-faced, rotatable, horizontal bar having different arrays of detents on its several faces; a spring-pressed ball coacting successively with the detents on any selected face of the bar to position the head for punching holes spaced correspondingly to the detent spacing on the selected face. The ball also serves to hold the bar somewhat yieldably in any of the plural face positions to which the bar may be turned.
Claims9
A hole punch device comprising a frame, a multi-faced bar rotatably carried by said frame in a horizontal position, a punch head slidable along said bar, plural punch head positioning means on plural faces of said bar, and said punch head including positioning means;
- said positioning means of each of said plural faces selectively coacting separately with said positioning means of the punch head to position the latter successively in plural hole punching positions.
Dependencies are inferred from the claim text.