Title:
SEAL CHAIN
Document Type and Number:
Japanese Patent JP2019196790
Kind Code:
A
Abstract:
To provide seal chain which can eliminate a risk that a pin-side seal ring and a bush-side seal ring are damaged even if wear elongation is generated.SOLUTION: A seal chain 11 comprises: a pair of inner link plates 12; a bush 18 which is joined in a state that both end parts protrude to the outside of a pair of the inner link plates 12; a pin 21 inserted into the bush 18; a pair of outer link plates 14 at which both end parts of the pin 21 are joined at the outside of a pair of the inner link plates 12; and an annular seal part 32 arranged between outside faces 12b of the inner link plates 12 and inside faces 14a of the outer link plates 14. The seal part 32 comprises a pin-side seal ring 33 joined to the pin 21, a bush-side seal ring 34 joined to the bush 18, and opposing the pin-side seal ring 33 in an axial direction of the pin 21, and seal members 35, 36 arranged between the pin-side seal ring 33 and the bush-side seal ring 34.SELECTED DRAWING: Figure 2
Inventors:
ABE YUSHI
Application Number:
JP2018089938A
Publication Date:
November 14, 2019
Filing Date:
May 08, 2018
Export Citation:
Assignee:
TSUBAKIMOTO CHAIN CO
International Classes:
F16G13/02; F16G13/06
Domestic Patent References:
| JP2004256262A | 2004-09-16 | |||
| JP4255787B2 | 2009-04-15 |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda