Method for cutting rack teeth

Details Method for cutting rack teeth Method for cutting rack teeth

1983-01-19

1985-06-04

Briggs, William R.

Gear cutting, milling, or planing

Gear cutting

Gear tooth shape generating

409 38, 409 51, 409 57, B23F 1500

Patent

active

045211418

ABSTRACT:
This invention pertains to a rack and pinion type steering gear for an automobile and a method for cutting rack teeth in the gear. The gear comprises a housing, a pinion rotatably supported within the housing and operatively connected to a steering wheel and a rack bar supported within the housing for slidable movement in the axial direction and rotation and provided with rack teeth in engagement with the pinion. The rack teeth are formed on the rack and along a varying pitch line so that the axial movement amount of the rack varies as the pinion rotates.

REFERENCES:
patent: 583065 (1897-05-01), Mathein
patent: 717167 (1902-12-01), Cherrey
patent: 1629123 (1927-05-01), Schnick
patent: 3064491 (1962-11-01), Bishop
patent: 3230830 (1966-01-01), Pomi
patent: 3267763 (1966-08-01), Merritt
patent: 3295416 (1967-01-01), Apthorp, Jr. et al.
patent: 3687006 (1972-08-01), Baxter
patent: 3950006 (1976-04-01), Wood, Jr.
patent: 4270397 (1981-06-01), Adams

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