Synchro-mesh type gear transmission

Details Synchro-mesh type gear transmission Synchro-mesh type gear transmission

1979-11-07

1981-11-10

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Progressive engagement

F16D 2306

Patent

active

042993172

ABSTRACT:
A synchro-mesh type gear transmission includes a clutch hub rigidly mounted on an output power shaft. The clutch hub is provided with axial slots in which springs are axially inserted. The springs urge at least one synchronizer ring against a conically tapered surface of a driven shaft gear which is mounted on the output power shaft so as to be rotatable. The synchronizer ring exerts frictional resistance against rotation of the driven shift gear. At least a portion of the inner wall of each guide slot is located in a spline-toothed flange portion of the clutch hub. The inner wall portion of the guide slot which is in the flange portion provides an additional guide for the spring. The spring is thereby prevented from being deformed in the direction in which the synchronizer ring rotates.

REFERENCES:
patent: 2221899 (1940-11-01), White et al.
patent: 2259527 (1941-10-01), Manville
patent: 2429789 (1947-10-01), Bachman et al.
patent: 2651395 (1953-09-01), Syrovy et al.
patent: 2916937 (1959-12-01), Iavelli
patent: 3631952 (1972-01-01), Sugimoto
Intnl. Publication No. WO 79/01011 "Synchronizer for Transmissions", Morcheck et al., 11/29/79.

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