Title:
建設機械の走行装置
Document Type and Number:
Japanese Patent JP6595522
Kind Code:
B2
Abstract:
A labyrinth (32) is provided in a gap (22) formed between a fixed-side end surface (13E) of a fixed-side housing and a rotation-side end surface (15C) of a rotation-side housing (15). The labyrinth (32) is constituted by a fixed-side recessed part (13F), a fixed-side fitting projecting part (13G), a rotation-side fitting projecting part (15D), and a rotation-side recessed part (15E). First and second fabric-like members (33), (34) formed annularly by a fabric-like material are provided in the fixed-side recessed part (13F) and the rotation-side recessed part (15E), respectively. A grease accommodating space (35) in which grease (G) is filled is provided between the first fabric-like member (33) and the second fabric-like member (34).
Inventors:
Iwanami Tomohiko
Hayato Masuda
Hayato Masuda
Application Number:
JP2017022128A
Publication Date:
October 23, 2019
Filing Date:
February 09, 2017
Export Citation:
Assignee:
Hitachi Construction Machinery Co., Ltd.
International Classes:
F16J15/16; B62D55/125; F16C33/78; F16C33/80; F16J15/18; F16J15/24; F16J15/447
Domestic Patent References:
| JP2005320984A | ||||
| JP2013189042A | ||||
| JP8074289A | ||||
| JP2013210071A | ||||
| JP2013210068A | ||||
| JP1145683U |
Foreign References:
| US20110148188 |
Attorney, Agent or Firm:
Hirowa Patent Office