Lock spring and cutting tool having a lock spring
AssigneeThe Gleason Works
InventorsHerman J. Stadtfeld, Anthony J. Norselli, Mark J. Boch, William G. Landry
Life of this patent
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Abstract
A cutter head (4, 6) having a lock spring (30) utilized with an adjustment screw (16) for preventing the adjustment screw from loosening during machining. Once positioned by turning the adjustment screw, a cutting blade (8) will not change position in a mounting slot (10) due to a loosening adjustment screw.
Claims8
A cutter head portion of a rotatable gear cutting tool, said cutter head being disc-shaped and having a periphery, said cutter head comprising a plurality of cutting blade mounting slots and at least one adjustment screw, said at least one adjustment screw being operable to advance inward into at least one of said cutting blade mounting slots and to withdraw in a direction opposite to the advance inward movement,
- said at least one adjustment screw comprising a head portion and a shaft portion wherein at least a part of said shaft portion comprises threads,
- said at least one adjustment screw being located in an opening in said cutter head, said opening extending from said periphery to said at least one cutting blade mounting slot, an inner portion of said opening being threaded and in threaded engagement with the threads of said shaft portion,
- a spring located between said inner portion of said opening and said head portion of said at least one adjustment screw.
Dependencies are inferred from the claim text.