JPS5919408U - work vehicle - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本考案に係る作業車の実施例を例示し、第１図は
コンバインの概略全体側面図、第２図は第１図の後面親
図、第３図は走行装置昇降操作構造を示す概略系統図、
第４図はレバー操作構造を示す概略平面図、第５図は概
略回路図、第６図イ。 口、ハは夫々別実施例を示す第４図に相当する図　　−
である。 ｌａ、　　ｌｂ・・・走行装置、１０ａ、１０ｂ・・・
・・・昇降用駆動装置、１５・・・・・・操作具。The drawings illustrate an embodiment of the work vehicle according to the present invention, in which Fig. 1 is a schematic overall side view of the combine, Fig. 2 is a rear main view of Fig. 1, and Fig. 3 is a schematic diagram showing the operating structure for lifting and lowering the traveling device. System diagram,
FIG. 4 is a schematic plan view showing the lever operation structure, FIG. 5 is a schematic circuit diagram, and FIG. 6A. Figures 1 and 2 correspond to Figure 4 showing different embodiments.
It is. la, lb... traveling device, 10a, 10b...
... Lifting drive device, 15... Operating tool.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 左右の走行装置ｌａ、ｌｂを機体に対して各別に駆動昇
降自在に取付けた作業車であって、前記両走行装置ｌａ
、ｌｂ夫々に対する昇降用駆動装置１０ａ、１０ｂに、
二次元方向に操作自在な１個の操作具１５を、その操作
位置及び操作方向の選択によって、前記再走行装置ｌａ
、　　ｌｂのいずれか一方のみの単独昇降操作、及び、
前記再走行装置ｌａ、　　ｌｂの一体昇降操作が可能な
状態で連係させである事を特徴とする作業車。A work vehicle in which left and right traveling devices la and lb are respectively attached to the machine body so that they can be driven up and down, and both the traveling devices la and
, lb, respectively, the lifting drive devices 10a, 10b,
By selecting the operating position and operating direction of one operating tool 15 that can be operated in two-dimensional directions, the re-travel device la
, single lifting and lowering operation of only one of lb, and
A work vehicle characterized in that the retravel devices la and lb are linked together so that they can be raised and lowered as a unit.