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October 1, 1984



Technical Worm Gears

Cone Drive Double Enveloping Worm Gearing Design and Manufacturing

Worm gearing is of great antiquity, going back about 2100 years to Archimedes, who is generally acknowledged as its inventor. Archimedes' concept used an Archimedial spiral to rotate a toothed wheel. Development of the worm gearing principle progressed along conventional lines until about 500 years ago when Leonardo DaVinci evolved the double enveloping gear concept.
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This article appeared in the October/November 1984 issue.


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