Title:
LIFTING AND LOWERING APPARATUS OF WORKING MACHINE FOR AGRICULTURE
Document Type and Number:
Japanese Patent JP3540032
Kind Code:
B2
Abstract:
PURPOSE: To provide a lifting and lowering apparatus of agricultural working machine constituted so that a hitch for connecting a working part is lifted and lowered by a hydraulic cylinder, capable of vertically lifting and lowering a working part and retaining longitudinally inclined posture in a definite state and improved in operation efficiency.
CONSTITUTION: This lifting and lowering apparatus for agriculture is constructed by standing a pair of right and left guide frame having nearly U-shaped cross section in the rear of the machine and liftably attaching a hitch 15 for connecting a working part to the space between right and left guide frames 12 and 13 and lifting and lowering the hitch 15 by a hydraulic cylinder 27 for lifting and lowering. Furthermore, the lifting and lowering apparatus is preferably constituted so that a block shaft 30 in the longitudinal direction is attached in the upper end of the hydraulic cylinder 27 for lifting and lowering and a block 31 is rotatably supported on the block shaft 30 and half-way part of a rope 32 for lifting and lowering in which one end is fixed to the machine body and the other end is fixed to the hitch 15 is suspended on the block 31.
Inventors:
Isao Maeda
Kazuya Matsumoto
Kazuya Matsumoto
Application Number:
JP29574994A
Publication Date:
July 07, 2004
Filing Date:
November 04, 1994
Export Citation:
Assignee:
Seirei Industry Co., Ltd.
International Classes:
A01B59/042; A01B63/10; (IPC1-7): A01B63/10; A01B59/042
Domestic Patent References:
| JP2243499A | ||||
| JP61122140U |