Gear-forming cutter

Details Gear-forming cutter Gear-forming cutter

2006-08-22

2006-08-22

Cadugan, Erica (Department: 3722)

Gear cutting, milling, or planing

Gear cutting

Using rotary cutter

C407S029000

Reexamination Certificate

active

07094009

ABSTRACT:
A gear-forming cutter for forming a gear tooth on a non-metallic blank includes a spindle and a blade portion. The blade portion extends from the spindle along an axis of the spindle, and includes a blade surface and a surrounding surface. The blade surface has front and rear sides, and opposite first and second lateral sides. The surrounding surface is disposed around the axis, and extends from the first lateral side to the second lateral side. Any point of the first lateral side is spaced apart from the axis by a first radial distance. Any point of the second lateral side is spaced apart from the axis by a second radial distance smaller than the corresponding first radial distance. The first radial distance corresponding to the rear side is larger than that corresponding to the front side.

REFERENCES:
patent: 1429614 (1922-09-01), Muller
patent: 2682099 (1954-06-01), Wildhaber
patent: 3857305 (1974-12-01), Lichtman
patent: 4338050 (1982-07-01), Ozer et al.
patent: 3209879 (1983-09-01), None
Mabie et al., Mechanisms and Dynamics of Machinery, 4th ed., 1987, John Wiley & Sons, p. 139.

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