Title:
TENSIONER FOR ELECTRIC BICYCLE
Document Type and Number:
WIPO Patent Application WO/2011/155113
Kind Code:
A1
Abstract:
Disclosed is a tensioner for an electric bicycle, which has a rotatable first wheel body (31) that meshes with a drive force transmission member (6) from the same one side as an auxiliary drive wheel body (18), and a rotatable second wheel body (32) that meshes with the drive force transmission member (6) from another side opposite to the auxiliary drive wheel body (18). The first wheel body (31) is positioned to the rear of the auxiliary drive wheel body (18), can move along the tensile strength increase/decrease direction (G) in which the tensile strength of the drive force transmission member (6) increases and decreases, and is impelled by an impelling member in the direction that the tensile strength of the drive force transmission member (6) increases. The second wheel body (32) is fixed between the auxiliary drive wheel body (18) and the first wheel body (31).
Inventors:
KAWAKAMI, Masafumi (())
Application Number:
JP2011/002267
Publication Date:
December 15, 2011
Filing Date:
April 19, 2011
Export Citation:
Assignee:
PANASONIC CORPORATION (1006, Oaza Kadoma Kadoma-sh, Osaka 01, 〒5718501, JP)
パナソニック株式会社 (〒01 大阪府門真市大字門真１００６番地 Osaka, 〒5718501, JP)
パナソニック株式会社 (〒01 大阪府門真市大字門真１００６番地 Osaka, 〒5718501, JP)
International Classes:
B62M6/70; B62M9/16
Attorney, Agent or Firm:
MORIMOTO INT'L PATENT OFFICE (ORIX Hommachi Bldg, 4th Floor 4-1, Nishi-Honmachi 1-chome, Nishi-ku, Osaka-sh, Osaka 05, 〒5500005, JP)
Claims: