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Title:
CATERPILLAR TRACK
Document Type and Number:
WIPO Patent Application WO/2014/027530
Kind Code:
A1
Abstract:
An engaging projection (23) for engaging a drive wheel (11) is provided on a drive-wheel contact surface (22) for contacting a drive wheel (11) and belonging to a track link (14) constituting a part of a caterpillar track (13). A ground-contact surface (26), which is on the opposite side of the drive-wheel contact surface (22) in the vertical direction, is provided with an engaging groove (27) comprising a closed-bottomed groove in a location corresponding to the engaging projection (23). As a result, when track links (14) are stacked in the vertical direction, it is possible for the engaging groove (27) of the upper track link (14) to engage the engaging projection (23) of the lower track link (14).

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Inventors:
TAKAGI TOSHIKATSU (JP)
SUGIYAMA YUKIHIKO (JP)
KANEZAWA HIROSHI (JP)
Application Number:
PCT/JP2013/068640
Publication Date:
February 20, 2014
Filing Date:
July 08, 2013
Export Citation:
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Assignee:
HITACHI CONSTRUCTION MACHINERY (JP)
International Classes:
B62D55/20
Foreign References:
JPH07117736A1995-05-09
JPH07132864A1995-05-23
JPS57151476A1982-09-18
US6543863B12003-04-08
Attorney, Agent or Firm:
HIROSE KAZUHIKO (JP)
Kazuhiko Hirose (JP)
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