Title:
RUNNING DEVICE FOR CONSTRUCTION MACHINE
Document Type and Number:
Japanese Patent JP2022055958
Kind Code:
A
Abstract:
To prevent oil from leaking due to a depressed O-ring even in a state in which earth and sand are frozen around a floating seal.SOLUTION: An annular fastening-side dividing plate 34 that has an inner-diameter side extended toward a fastening-side seal ring 28 of a floating seal 27 is provided at an axial-direction end face 13E of a fastening-side housing 13. Moreover, an annular rotating-side dividing plate 36 which faces the fastening-side dividing plate 34 and which has an inner-diameter side extended toward a rotating-side seal ring 29 is provided at an axial-direction end face 15E of a rotating-side housing 15.SELECTED DRAWING: Figure 3
Inventors:
IWANAMI TOMOHIKO
YAMABUKI TAIRA
YAMABUKI TAIRA
Application Number:
JP2020163694A
Publication Date:
April 08, 2022
Filing Date:
September 29, 2020
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACHINERY
International Classes:
B62D55/088; B62D55/125; F16J15/34
Attorney, Agent or Firm:
Hirowa Patent Office
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