Title:
GUIDE ROLLER MECHANISM
Document Type and Number:
Japanese Patent JP2020083568
Kind Code:
A
Abstract:
To provide a guide roller mechanism that reduces a fleet angle between a winch drum and a guide roller.SOLUTION: A guide roller mechanism guides a wire rope drawn from a winch drum disposed on a basal-end side of a boom and wound around a guide sheave provided at a leading end of the boom. The guide roller mechanism comprises: a rotatable guide roller that engages with the wire rope; a swing mechanism that supports the guide roller such that the guide roller is swingable in the right and left direction of the boom; and a restricting member that restricts an amount of swing of the guide roller.SELECTED DRAWING: Figure 7
Inventors:
MARUYAMA KOJI
Application Number:
JP2018222069A
Publication Date:
June 04, 2020
Filing Date:
November 28, 2018
Export Citation:
Assignee:
KATO SEISAKUSHO KK
International Classes:
B66D1/36; B66C23/66; B66C23/88
Domestic Patent References:
| JP2013014402A | 2013-01-24 | |||
| JPS5926889A | 1984-02-13 | |||
| JPS5643893U | 1981-04-21 | |||
| JP2004099225A | 2004-04-02 | |||
| JPH0741289A | 1995-02-10 |
Foreign References:
| EP1726559A1 | 2006-11-29 |
Attorney, Agent or Firm:
Kurata Masatoshi
Nobuhisa Nogawa
Naoki Kono
Tadashi Inoue
Shigeru Iino
Sanae Kaneko
Nobuhisa Nogawa
Naoki Kono
Tadashi Inoue
Shigeru Iino
Sanae Kaneko