Speed changing device

Details Speed changing device Speed changing device

1992-09-23

1993-04-27

Bonck, Rodney H.

Machine element or mechanism

Gearing

Interchangeably locked

74335, 74 8915, 744248B, F16H 308

Patent

active

052051790

ABSTRACT:
A speed changing device for a gear box, particularly for a toothed change speed gear of a motor vehicle in which a gear wheel, freely rotatable on a driven shaft can be coupled with the driven shaft by means of an axially displaceable claw ring and a toothed bushing, the claw ring being axially displaceable by an electric driving device via a gearshift fork, arranged on a selector shaft which is parallel to the driven shaft, characterized in that the gearshift fork is axially displacable on the associated stationary selector shaft by a spindle drive comprising an externally threaded section arranged on the selector shaft and an internally threaded section, the axes of both threaded sections being arranged on the axis (D.sub.1), of the selector shaft and one of the threaded sections being actuatable by rotation by an electromotor.

REFERENCES:
patent: 2604788 (1952-07-01), Hauber
patent: 2649813 (1953-08-01), Barth et al.
patent: 2821089 (1958-01-01), Russell
patent: 3277734 (1966-10-01), Bernard
patent: 3407680 (1968-10-01), Westmoreland
patent: 4019616 (1977-04-01), Thorne
patent: 4449416 (1984-05-01), Huitema
patent: 4614128 (1986-09-01), Fickler
patent: 4873881 (1989-10-01), Edelen et al.
patent: 4938088 (1990-07-01), Langley et al.

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