Title:
CAST WHEEL OF MOTORCYCLE
Document Type and Number:
Japanese Patent JP3279886
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a cast wheel of motorcycle, which can enhance the draining performance while the worsening of appearance is avoided.
SOLUTION: A cast wheel 5 of a motorcycle is formed from a hub 7, rim 8, and spoke parts 9 through a single piece casting process, wherein each spoke part 9 is structured hollow. In this cast wheel 5, the inner surface (d) of the rim side undermost part 9a of the hollow (b) of each spoke is positioned nearer the wheel center than the inside circumferential surface (c) of the bottom wall 8a of the rim 8, and through holes 9b, 9c which penetrate each hollow (b) from the outside and are left as the mark of supporting a core, are positioned in such a way as contacting the inner surface (d) of the rim side undermost part 9a.
Inventors:
Masaru Harada
Application Number:
JP26577895A
Publication Date:
April 30, 2002
Filing Date:
October 13, 1995
Export Citation:
Assignee:
YAMAHA HATSUDOKI KABUSHIKI KAISHA
International Classes:
B60B3/06; B22C9/28; B22D17/00; B60B1/08; B60B3/10; (IPC1-7): B60B1/08
Domestic Patent References:
JP7205603A | ||||
JP7205602A | ||||
JP585101A | ||||
JP6274701A | ||||
JP6220901U |
Attorney, Agent or Firm:
Tsutomu Shimoichi
Previous Patent: ALUMINOUS SINTERED COMPACT AND ITS PRODUCTION
Next Patent: PRODUCTION OF LID WITH EXCELLENT OPENING PROPERTY
Next Patent: PRODUCTION OF LID WITH EXCELLENT OPENING PROPERTY