Internally and externally splined clutch hub for...

192 clutches and power-stop control – Clutches – Operators

Reexamination Certificate

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Details

C192S048800, C192S070200

Reexamination Certificate

active

11050596

ABSTRACT:
A transmission assembly in accordance with the invention includes a plurality of torque-transmitting mechanisms. A hub member of the assembly includes a radially extending wall, and a circumferentially extending wall formed integrally with the radially extending wall. The circumferentially extending wall includes a first plurality of internal splines, a second plurality of external splines spaced with the internal splines, and a cylindrical end portion at a distal end of the hub and terminating both the internal splines and the external splines to prevent failure in high speed operations. A plurality of clutch plates associated with one of the plurality of torque-transmitting mechanisms are splined to the external splines of the hub member, and a plurality of clutch plates associated with another one of the plurality of torque-transmitting mechanisms are splined to the internal splines of the hub member.

REFERENCES:
patent: 3365985 (1968-01-01), Johnson
patent: 3596537 (1971-08-01), Koivunen
patent: 3747727 (1973-07-01), Dach et al.
patent: 3922932 (1975-12-01), Maurice et al.
patent: 4732253 (1988-03-01), Hiramatsu et al.
patent: 4759432 (1988-07-01), Jurgens et al.
patent: 5860885 (1999-01-01), Mizuta
patent: 2005/0103594 (2005-05-01), Tiesler et al.
patent: 06257669 (1994-09-01), None
patent: WO 02/40900 (2002-05-01), None

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