Clutch drum made of metallic plate and method of manufacturing s

Details Clutch drum made of metallic plate and method of manufacturing s Clutch drum made of metallic plate and method of manufacturing s

1994-12-16

1996-06-25

Pitts, Andrea L.

192 clutches and power-stop control

Clutches

Axially engaging

74434, F16D 1358

Patent

active

055291600

ABSTRACT:
A clutch drum made of a metallic plate having on its peripheral wall portion spline teeth for engaging with clutch plates is formed by pressing with a die which has formed tooth grooves on its periphery and tooth-shaped punches which are disposed around the die so as to move radially back and forth. The force of pressurizing the toothed punches against the tooth flank portions of the spline teeth is made smaller at an open end thereof than at an ordinary portion of the clutch drum such that the thickness of the flank portions of the spline teeth becomes thicker at the open end than at the ordinary portion.

REFERENCES:
patent: 4566571 (1986-01-01), Fujioka
patent: 4705150 (1987-11-01), Hill
patent: 5078536 (1992-01-01), Anderson
patent: 5388474 (1995-02-01), Tanaka et al.

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