Title:
DRAIN PLUG DEVICE
Document Type and Number:
Japanese Patent JP2017179977
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To further surely prevent reduction in operability, by effectively preventing nipping of foreign matter.SOLUTION: A drain plug device 1 comprises shaft parts 24A and 344B for installing a plug cover 25 or an operation object part 344 in one end part and outer peripheral side parts 24B and 341 having opening parts 24C and 341G for inserting the shaft parts 24A and 344B. On an outer peripheral surface of the shaft parts 24A and 344B, projection strip parts 24D and 344E and groove parts 24E and 344F are alternately provided in a plurality over the substantially whole areas along the circumferential direction of the shaft parts 24A and 344B. In opening forming parts 24F and 341H for forming opening parts 24C and 341G in the outer peripheral side parts 24B and 341, recessed parts 24H and 341M and projection parts 24G and 341L are alternately provided in a plurality in the substantially whole areas along the circumferential direction of the opening forming parts 23F and 341H. Projection strip parts 34D and 344E are arranged in or proximal to the recessed parts 24H and 341M, and the projection parts 24G and 341L are arranged in or proximal to the groove parts 24E and 344F.SELECTED DRAWING: Figure 2
Inventors:
WATANABE KOICHI
SATO YUTA
OTA SHINICHI
YADA TOSHINORI
KITAGAWA KOHEI
SATO YUTA
OTA SHINICHI
YADA TOSHINORI
KITAGAWA KOHEI
Application Number:
JP2016071042A
Publication Date:
October 05, 2017
Filing Date:
March 31, 2016
Export Citation:
Assignee:
TOTO LTD
NIPPON ALPHA:KK
NIPPON ALPHA:KK
International Classes:
E03C1/23; A47K1/14; E03C1/22
Domestic Patent References:
| JPH11193561A | 1999-07-21 | |||
| JPH0960073A | 1997-03-04 | |||
| JP2010037923A | 2010-02-18 |
Attorney, Agent or Firm:
Mitsuo Kawaguchi