The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 28, 1999
Filed:
Dec. 30, 1998
Toshio Imao, Nagoya, JP;
Eiji Takeyama, Nagoya, JP;
Aichi Kikai Kogyo Kabushiki Kaisha, Nagoya, JP;
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.