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Patent Searching and Data


Title:
SMALL MULTI-PURPOSE CONSTRUCTION MACHINERY
Document Type and Number:
WIPO Patent Application WO/2021/066230
Kind Code:
A1
Abstract:
Disclosed is small multi-purpose construction machinery comprising a track driving device which comprises: a main body; three hinges which are provided on the main body to be steered by means of respective steering motors; and three track apparatuses which are respectively connected to the three hinges and of which the respective driving directions can be independently controlled by means of steering in accordance with the rotation of the hinges. Each of the three track apparatuses is connected via the side frames of the track apparatus to the respective hinge positioned in the eccentric position at a fixed interval along the widthwise center line of the track apparatus from the center of the respective track apparatus. The three track apparatuses are in the same form, each comprising: a sprocket for receiving power from a driving motor; a rodler performing both functions of an idler and roller; and a track surrounding the outer peripheral surface of the rodler and the sprocket.

Inventors:
KANG JONG MIN (KR)
Application Number:
PCT/KR2019/012978
Publication Date:
April 08, 2021
Filing Date:
October 02, 2019
Export Citation:
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Assignee:
ISCHUS CO LTD (KR)
International Classes:
B62D55/065; E02F3/36; E02F9/08; E02F9/18; E02F9/22
Foreign References:
KR101876477B12018-07-13
US20160221617A12016-08-04
KR20100003973U2010-04-15
KR101822155B12018-01-26
KR101660387B12016-09-27
Attorney, Agent or Firm:
KIM, Jung Su (KR)
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