Title:
CHAIN AND CHAIN CONVEYOR
Document Type and Number:
WIPO Patent Application WO/2018/139155
Kind Code:
A1
Abstract:
A chain (20) includes: a pair of inner link plates (30) that are provided opposed to and apart from each other; a tubular bushing (31) that has opposed-ends respectively connected to the pair of inner link plates (30); a pin (32) that is rotatably inserted in the bushing (31); a first roller (33) that is provided rotatably around the bushing (31) and is engageable with a sprocket; a pair of outer link plates (34) that are provided to sandwich the pair of inner link plates (30) from the outside and with which the opposed-ends of the pin (32) are connected; and a tubular second roller (35) that is provided rotatably around the axial line of the pin (32) on the outside of the pair of outer link plates (34). The second roller (35) has an outer diameter set to be from 70% to 90% of the chain pitch.
Inventors:
FUJIWARA MAKOTO (JP)
OKAUCHI SHUICHI (JP)
OKAUCHI SHUICHI (JP)
Application Number:
PCT/JP2017/046798
Publication Date:
August 02, 2018
Filing Date:
December 26, 2017
Export Citation:
Assignee:
TSUBAKIMOTO CHAIN CO (JP)
International Classes:
B65G17/06; F16G13/06
Domestic Patent References:
| WO2008125732A1 | 2008-10-23 |
Foreign References:
| JP2013230923A | 2013-11-14 | |||
| JP2015137206A | 2015-07-30 | |||
| JP2015224910A | 2015-12-14 | |||
| US20080116036A1 | 2008-05-22 |
Attorney, Agent or Firm:
ONDA, Makoto et al. (JP)
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