Gear-teeth protector in change-speed gearing units

Details Gear-teeth protector in change-speed gearing units Gear-teeth protector in change-speed gearing units

1981-03-31

1987-08-04

Smith, Gary L.

Machine element or mechanism

Gearing

Lubrication

74606R, 74608, 184 612, 184 111, F16H 5704

Patent

active

046837710

ABSTRACT:
A gear-teeth protector for a change-speed gearing unit in which a pair of upper and lower change-speed gears of high meshing rate are arranged adjacent to an upright wall in a housing for the gearing unit. The gear-teeth protector comprises a U-shaped shroud member secured at its outer peripheral flanges to one face of the upright wall so as to prevent metallic alien particles being trapped between the change-speed gears, the shroud member forming a pair of side walls enclosing the teeth on the upper change-speed gear and extending adjacent to the upper teeth on the lower change-speed gear to enclose the meshing engagement portion between the two change-speed gears.

REFERENCES:
patent: 2645305 (1953-07-01), Roos
patent: 4231266 (1980-11-01), Nishikama et al.
patent: 4305686 (1981-12-01), Magill

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