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Patent Searching and Data


Title:
WORK VEHICLE
Document Type and Number:
WIPO Patent Application WO/2017/209055
Kind Code:
A1
Abstract:
A wheel loader (1) is an articulated type in which a front frame (11) and a rear frame (12) are connected. The wheel loader (1) comprises steering cylinders (21, 22), a pilot valve (42), a joystick lever (24), and a link mechanism (90). The steering cylinders (21, 22) are hydraulically driven and change a steering angle (θs) of the front frame (11) with regard to the rear frame (12). The pilot valve (42) controls the flow rate of an oil that is provided to the steering cylinders (21, 22). The joystick lever (24) is positioned within a cab (5) provided on the rear frame (12) and is operated by an operator. The link mechanism (90) is positioned on a lower side of the cab (5) and transfers an operation of the joystick lever (24) to the pilot valve (42).

Inventors:
TAKENAKA, Yuita (2-3-6 Akasaka, Minato-k, Tokyo 14, 〒1078414, JP)
NAKABAYASHI, Masanobu (2-3-6 Akasaka, Minato-k, Tokyo 14, 〒1078414, JP)
IKARI, Masanori (2-3-6 Akasaka, Minato-k, Tokyo 14, 〒1078414, JP)
Application Number:
JP2017/019926
Publication Date:
December 07, 2017
Filing Date:
May 29, 2017
Export Citation:
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Assignee:
KOMATSU LTD. (2-3-6, Akasaka Minato-k, Tokyo 14, 〒1078414, JP)
International Classes:
B62D5/28; B62D1/12; B62D5/04; B62D5/09
Foreign References:
JPH01105723A1989-04-24
JPH01321664A1989-12-27
Attorney, Agent or Firm:
SHINJYU GLOBAL IP (South Forest Bldg, 1-4-19 Minamimori-machi, Kita-ku, Osaka-sh, Osaka 54, 〒5300054, JP)
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