Book binding tool
AssigneeLeitz Tooling Systems, Inc.
InventorsGary P. Metzgar, Joseph E. Wright
Life of this patent
Estimating the term…
Abstract
Reversible or indexable cutting knives are mechanically attached to at least one of a leveler saw and a roughing tool for a perfect or patent binding operation. In one embodiment, each reversible or indexable knife has multiple cutting edges. The cutting edges of the reversible or indexable knife may be arranged around the knife such that the knife can be rotated to a different position to replace a worn cutting edge with a new cutting edge on the same knife. The knives may be attached in recesses in the roughing tool or leveler saw.
Claims20
A tool for a binding operation comprising:
- a central portion configured to be mounted to a binding machine, wherein the tool is capable of being rotated with respect to the binding machine;
- a circumferential edge extending around said central portion, the tool including a plurality of recesses defined in the tool adjacent said circumferential edge, said recesses spaced apart about said circumferential edge;
- and
- a plurality of cutting knives removably attached to the tool, each said cutting knife disposed in one of said recesses, each said cutting knife including a plurality of cutting edges with each said cutting edge disposed at an angle with respect the other cutting edges, wherein each said cutting knife is capable of being removed from said one of said recesses, rotated with respect to said one of said recesses, and reattached to the tool within said recess in a different angular position with respect to said recess.
The tool of claim 5 wherein said angle is approximately 5 degrees.
A book binding tool system comprising:
- a roughing tool configured to be mounted for rotation on a book binding machine, said roughing tool having a front surface, a rear surface and a circumferential edge, said circumferential edge defining a plurality of roughing tool recesses;
- a leveler saw configured to be mounted for rotation on a book binding machine, said leveler saw including a front surface, a rear surface and a circumferential edge, said front surface defining a plurality of leveler saw recesses extending to said circumferential edge;
- and
- a plurality of cutting knives, each said cutting knife including multiple cutting edges oriented at angles with respect to one another, wherein one of said cutting knives is disposed in each roughing tool recess and one of said cutting knives is disposed in each leveler saw recess, said cutting knives capable of being removably attached within said roughing tool recesses and said leveler saw recesses in multiple positions, wherein each of said positions exposes a different one of said cutting edges.
A book binding tool method comprising:
- providing a roughing tool having a front surface, a rear surface, a circumferential edge and a plurality of roughing tool recesses defined in said circumferential edge;
- providing a leveler saw having a front surface, a rear surface, a circumferential edge and a plurality of leveler saw recesses adjacent said circumferential edge;
- providing a plurality of cutting knives, each said cutting knife having multiple cutting edges;
- attaching one of said cutting knives into each said roughing tool recess in a first position;
- attaching one of said cutting knives into each said leveler saw recess in a first position;
- attaching said roughing tool to a machine with said front surface facing a first direction, said roughing tool attached to said machine such that it can rotate about an axis with respect to said machine;
- attaching said leveler saw to a machine such that it can rotate about an axis with respect to said machine;
- rotating said roughing tool and said leveler saw;
- removing at least one of said cutting knives from one of said roughing tool and said leveler saw;
- and
- reattaching said at least one of said cutting knives to said one of said roughing tool and said leveler saw in a second position that is different from said first position of said one of said roughing tool and said leveler saw.
Dependencies are inferred from the claim text.