Title:
HAND TRACTOR
Document Type and Number:
Japanese Patent JPH01282077
Kind Code:
A
Abstract:
PURPOSE:To make equal shift operation maintainable irrespective of a swingingly conversion position by installing a handle frame free of swingingly conversion in front and in the rear, and pivotally installing an operating lever and a converting lever, detaching this swingingly conversion position, in a base of the handle frame free of rotation around the same horizontal shaft. CONSTITUTION:A swingingly converting shaft 5 is installed in the upper end of a transmission case of a tractor free of slide motion up and down, and this swingingly converting shaft 5 is used as a shift shaft for sub-shift, then a shifter shaft cylinder 22 for main shift is installed in an upper end of the swingingly converting shaft 5 free of vertical slide motion. In addition, sector racks 23, 24 centering on this shaft 5 are formed in an upper end of the transmission case 2 in front and in the rear. A turning plate 25 being free of rotation around the converting shaft 5 is installed in the upper end of these racks 23, 24, and a handle frame 4 on a base of a control handle 3 is solidly installed in this turning plate 25. Then, an engaged operating lever 6 is pivotally supported on a base of this frame 4 by a horizontal shaft 8, while a lock metal installed in this horizontal shaft 8 is engaged or disengaged to or from the rack 23 or 24, and simultaneously a main shift lever 7 is pivotally supported on this horizontal shaft 8.
Inventors:
NAKAGAWA HIDEAKI
OKAMOTO KINYA
OKAMOTO KINYA
Application Number:
JP11337788A
Publication Date:
November 13, 1989
Filing Date:
May 09, 1988
Export Citation:
Assignee:
ISEKI AGRICULT MACH
International Classes:
B62D51/06; B60K23/00; (IPC1-7): B60K23/00; B62D51/06
Domestic Patent References:
| JP59100683B | ||||
| JP58153178B |
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