Powdered metal gear for screw jack

Details Powdered metal gear for screw jack Powdered metal gear for screw jack

1975-01-27

1976-08-31

Gerin, Leonard H.

Machine element or mechanism

Gearing

Directly cooperating gears

74434, 744595, F16H 112, F16H 5504

Patent

active

039772675

ABSTRACT:
A powdered metal gear is disclosed for use in an accommodating screw jack. The gear has a planar face, and teeth of generally truncated tetrahedronal shape are disposed around the circumference. A conical gear undersurface acts, with intertooth recesses, to form a first gear portion of substantially uniform material thickness. Scallop indentations in the undersurface mate with the gear teeth themselves to form a second gear portion of substantially uniform material thickness.

REFERENCES:
patent: 3184988 (1965-05-01), Osplack et al.
patent: 3768327 (1973-10-01), Dunn et al.
patent: 3772935 (1973-11-01), Dunn et al.

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