Blocking synchronization device for gear-type change-speed trans

Details Blocking synchronization device for gear-type change-speed trans Blocking synchronization device for gear-type change-speed trans

1978-11-29

1981-06-09

Husar, C. J.

192 clutches and power-stop control

Clutches

Progressive engagement

192 8717, F16D 2308

Patent

active

042719437

ABSTRACT:
A blocking synchronization for gear-type change-speed transmissions with a sleeve carrier, on which a shifting sleeve is non-rotatably but displaceably arranged for connection with a gear to be engaged, as well as with two friction rings arranged on both sides of the shifting sleeve and provided with externally conical friction surfaces which are held at a mutual spacing by way of spacer bolts extending through the shifting sleeve and are centered thereby; the blocking device further includes inwardly directed blocking elements at the friction rings as also blocking elements on the outside of the shifting sleeve body, whereby the blocking elements are toothed arrangements while the spacer bolts engage in axial recesses of the friction rings and the friction rings are axially stressed against the spacer bolts by drawsprings.

REFERENCES:
patent: 2633954 (1953-04-01), Allen
patent: 2992714 (1961-07-01), Peras
patent: 2993579 (1961-07-01), Altmann
patent: 3749215 (1973-07-01), Rommelshausen
patent: 3795293 (1974-03-01), Worner
patent: 4059178 (1977-11-01), Magg et al.
patent: 4125179 (1978-11-01), Cochran et al.
"Automobile Review", Engineering, Nov. 22, 1963, pp. 650-651.
Installation Instruction ZF-Synchromesh 4-Speed Gearbox S4-60, 7/17/1979.

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