Machine element or mechanism – Gearing – Toothed gear and recirculated unconnected elements
Patent
1977-05-27
1979-09-25
Scott, Samuel
Machine element or mechanism
Gearing
Toothed gear and recirculated unconnected elements
74243S, F16H 5530
Patent
active
041686349
ABSTRACT:
A driving and driven sprocket and endless chain arrangement wherein the driven sprocket includes a first set of conventional involute teeth and a second set of modified teeth disposed in respective random patterns, and wherein the modified teeth have the flanks on the trailing sides thereof relieved a predetermined amount and the roots adjacent thereto formed on a diameter a predetermined amount larger than the root diameter of the first set of conventional teeth for improved noise reduction characteristics.
REFERENCES:
patent: 3377875 (1968-04-01), Sand
patent: 3495468 (1970-02-01), Griffel
General Motors Corporation
Henderson William R.
Scherer Donald F.
Scott Samuel
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