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Patent Searching and Data


Title:
HYDRAULIC MASTER CYLINDER DEVICE FOR HANDLEBAR VEHICLE
Document Type and Number:
WIPO Patent Application WO/2017/119328
Kind Code:
A1
Abstract:
Provided is a hydraulic master cylinder device for a handlebar vehicle, with which a driver can satisfactorily adjust a grip margin while feeling the grip margin adjustment carried out via an adjustment bolt. The adjustment bolt comprises: a male thread part 15a that threadedly engages with a female threaded hole 12c of an adjustment bolt attachment part 12b and that is screwed such that an amount of projection toward a knocker 13 can be adjusted; a knocker abutting part 15b that is provided at one end of the male thread part 15a; and a handle part 15d that is provided at the other end of the male thread part 15a. The handle part 15d is provided with a rotation shaft 15e that is formed in a polygonal columnar shape, and an operation part 15f that rotates the adjustment bolt 15. A spring member 16 that elastically presses against a flat part 15h of the rotation shaft 15e is attached to the adjustment bolt attachment part 12b, and the spring member 16 provides a click sensation as the spring member moves from a first flat part 15h against which the spring member presses, crosses over a protrusion 15g, and then presses against a second flat part 15i in accordance with the rotation of the rotation shaft 15e.

Inventors:
KOBAYASHI, Naoki (801 Kazawa, Tomi-cit, Nagano 14, 〒3890514, JP)
TANAKA, Yasushi (801 Kazawa, Tomi-cit, Nagano 14, 〒3890514, JP)
Application Number:
JP2016/088613
Publication Date:
July 13, 2017
Filing Date:
December 26, 2016
Export Citation:
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Assignee:
NISSIN KOGYO CO., LTD. (801 Kazawa, Tomi-city Nagano, 14, 〒3890514, JP)
International Classes:
B62L3/02; B60T11/18; B62L3/00
Foreign References:
JPH09277975A1997-10-28
JP2009132343A2009-06-18
JP2009043001A2009-02-26
Attorney, Agent or Firm:
KIDO, Yoshihiko et al. (Maruishi Building, 10-4 Kajicho 1-chome, Chiyoda-k, Tokyo 44, 〒1010044, JP)
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