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1. (WO2018221366) RESIN BOOT

Pub. No.:    WO/2018/221366    International Application No.:    PCT/JP2018/019940
Publication Date: Fri Dec 07 00:59:59 CET 2018 International Filing Date: Fri May 25 01:59:59 CEST 2018
IPC: F16D 3/84
F16J 15/52
F16J 3/04
Applicants: FUKOKU CO., LTD.
Inventors: ONO, Yuzo
大野 雄三
The purpose of the present invention is to provide a resin boot that does not include bellows, that is lightweight and compact, and that has excellent durability. To achieve the foregoing, this resin boot (1) has inserted therein and protects a connection portion of a casing (31) and a drive shaft (3), the resin boot comprising: a large-diameter cylinder part (10) into which the casing (31) is inserted; a small-diameter cylinder part (11) into which the drive shaft (3) is inserted; and a connection part (12) that connects the large-diameter cylinder part (10) and the small-diameter cylinder part (11) and that expands in diameter from the small-diameter cylinder part (11) toward the large-diameter cylinder part (10), the connection part (12) including, on the connection side of the small-diameter cylinder part (11), a neck section (20) that is thicker than the small-diameter cylinder part (11).