Title:
軌道接続システムを備えるクローラー、クローラーを備えるリフトクレーン、及びクローラーの軌道の端部を接続する方法
Document Type and Number:
Japanese Patent JP5923159
Kind Code:
B2
Abstract:
A crawler (14, 16) has a track tensioning system (150). The crawler (14, 16) includes a crawler frame (43) having a bottom; at least one drive tumbler (100) supported on the frame (43); a track (50) made of a plurality of connected track shoes (52) and is wrapped around the drive tumbler (100) so that a plurality of the shoes (52) are in contact with the drive tumbler (100). The track tensioning system (150), mounted to the frame (43), includes a roller (162) engaging the inside surface of the track (50); and a roller positioning structure attached to the frame (43) that can raise the roller (162) relative to the bottom of the frame (43) to thereby increase the tension of the track (150).
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Inventors:
David Jay Peck
Joel Dee. Zick
Kennis Jay. Polvecanski
Joel Dee. Zick
Kennis Jay. Polvecanski
Application Number:
JP2014258279A
Publication Date:
May 24, 2016
Filing Date:
December 22, 2014
Export Citation:
Assignee:
MANITOWOC CRANE COMPANIES, LLC
International Classes:
B62D55/32; B62D55/20; B62D55/30
Domestic Patent References:
| JP55033864U | ||||
| JP2009006885A | ||||
| JP48040213B1 |
Foreign References:
| EP1318068A2 |
Attorney, Agent or Firm:
Shigeru Ito