Title:
SPRINKLER HEAD WRENCH
Document Type and Number:
WIPO Patent Application WO/2019/138605
Kind Code:
A1
Abstract:
[Problem] To provide a sprinkler head wrench with which it is possible to prevent, when fastening a sprinkler head to a water supply pipe, the axes of the sprinkler head and the wrench from being inclined from each other, and to achieve a stable locking thereof.
[Solution] A wrench 20 comprising: one end 51 having a vacant portion 54 conforming to the profile of a base 13 disposed in the vicinity of a screw 11 of the sprinkler head 10; another end 52 provided with a structure for connecting a wrench handle; and a circumferential wall portion 53 linking the two ends. The vacant portion 54 is locked between a disc 18 disposed between the screw 11 and the base 13, and a projection 17 spaced apart from a surface of the base 13 on which the disc 18 is mounted.
Inventors:
KOIWA YASUAKI (JP)
Application Number:
PCT/JP2018/034569
Publication Date:
July 18, 2019
Filing Date:
September 19, 2018
Export Citation:
Assignee:
SENJU SPRINKLER CO LTD (JP)
International Classes:
A62C35/68; A62C37/08; B25B13/48
Foreign References:
| KR20100002350A | 2010-01-07 | |||
| JP2000094349A | 2000-04-04 | |||
| JP2011115892A | 2011-06-16 | |||
| JP2012239572A | 2012-12-10 |
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