Helical drive trains which eliminate the need for thrust bearing

Details Helical drive trains which eliminate the need for thrust bearing Helical drive trains which eliminate the need for thrust bearing

1978-08-07

1980-02-12

Husar, C. J.

Machine element or mechanism

Gearing

Pressure distributing

74432, F16H 5700

Patent

active

041877357

ABSTRACT:
A method and apparatus for eliminating end thrust and consequently the need for thrust bearings in a helical drive arrangement is disclosed. According to this invention, a helical gear and a spur gear having the same pitch diameter and center of rotation are securely attached to each other and mounted to a shaft. This helical-gear spur-gear combination is meshed with a second similar helical-gear spur-gear combination supported on a parallel shaft. During operation the axial forces normally created by a helical gear drive are contained as the teeth of the two spur gears contact each other. Thus the need for end thrust bearings is eliminated.

REFERENCES:
patent: 415044 (1889-11-01), Joslin
patent: 1989663 (1935-02-01), Bethune
patent: 2982146 (1961-05-01), Stoeckicht

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