Automatic speed-change apparatus for a gear transmission

Details Automatic speed-change apparatus for a gear transmission Automatic speed-change apparatus for a gear transmission

1998-12-30

1999-12-28

Estremsky, Sherry L.

Machine element or mechanism

Gearing

Interchangeably locked

F16H 6316

Patent

active

060066210

ABSTRACT:
The object is to provide a small-sized speed-change apparatus for performing the automatic gear shifting of the conventional gear transmission. In the speed-change apparatus 1, the select mechanism comprises a select motor 6 controllable for forward and backward rotation, gears 7, 8 for transmitting the rotation, a select-shift shaft 11 to be rotated forward and backward through said gears 7, 8 and connected with the select-shift rod 5 of the gear transmission M; and the shift mechanism comprises a piston 12 for moving the select-shift shaft 11 in the axial direction, hydraulic chambers 13, 14 accommodating the piston 12 and a shift-operating hydraulic-pressure generator for supplying the hydraulic oil through hydraulic tubes into the hydraulic chambers 13, 14.

REFERENCES:
patent: 5724856 (1998-03-01), Back

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