Method of manufacturing an engaging element for one way clutch i

Details Method of manufacturing an engaging element for one way clutch i Method of manufacturing an engaging element for one way clutch i

1994-12-06

1997-05-27

Larson, Lowell A.

Metal deforming

By use of closed-die and coacting work-forcer

Forcing work into or within closed die; e.g., forging

72377, B21K 176

Patent

active

056321791

ABSTRACT:
A method of manufacturing an engaging element for a one way clutch requires no special control with respect to such factors as squareness between a cam face and side surfaces, possible flaws, and cut size, and enables production of the engaging element for a one way clutch at low cost. The method includes shearing a material by a press to prepare a sheared member of a predetermined size, and a forging process. The forgoing process includes a first step of striking one sheared surface of the sheared member, a second step of inverting the sheared member and striking the other sheared surface of the sheared member, a third step of inverting the sheared member and striking the one sheared surface of the sheared member, and a fourth step of inverting the sheared member and striking the other sheared surface of the sheared member.

REFERENCES:
patent: 3054177 (1962-09-01), Duhamel
patent: 3124876 (1964-03-01), Putetti
patent: 3641801 (1972-02-01), Lachaussee et al.
Ferris, E. A., "Automotive Sprag Clutches-Current Design and Application", Design Practices-Passenger Car Automatic Transmissions, (1988) pp. 6-16.

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