Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1976-06-25
1977-07-26
Whitehead, Harold D.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
90 6, 90 1162, B24B 526
Patent
active
040373657
ABSTRACT:
An apparatus for cutting an arcuately-shaped worm includes a support shaft adapted to carry a worm blank thereon and journalled in a frame which is mounted for pivotal movement about a fixed axis so that the worm blank may be simultaneously rotated on its axis and arcuately translated about the fixed axis relative to a cutter. The shaft is rotated by a drive means, and arcuate translation of the shaft is provided by a worm gear which is journalled in the frame and driven off the shaft, with the worm engaging a fixed gear segment, so the rate of rotation and of arcuate translation are coordinated.
REFERENCES:
patent: 2142415 (1939-01-01), Riordan
patent: 2224817 (1940-12-01), Hawgood
Caterpillar Tractor Co.
Godici Nicholas P.
Whitehead Harold D.
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