自転車用の車輪のリム、およびそのリムを備える自転車用の車輪 - CAMPAGNOLO SOCIETA A RESPONSABILITA LIMITATA

Title:

自転車用の車輪のリム、およびそのリムを備える自転車用の車輪

Document Type and Number:

Japanese Patent JP5878274

Kind Code:

B2

Abstract:

The invention relates to a rim (1) for a bicycle wheel, comprising a body (5) with a substantially annular extension having a radially outer portion (6a) shaped for coupling with a tyre, said radially outer portion (6a) comprising an annular bottom wall (12) provided with a hole for an inflation valve, said annular bottom wall (12) comprising a central annular recess (20) and two side annular portions (24) arranged on axially opposite sides with respect to said central annular recess (20), said recess (20) comprising, at least on one side thereof and at least in an area circumferentially distal from said hole, with reference to a cross section of the rim (1), a radially inner surface (26) and a radially outer surface (28), characterised in that said radially outer surface (28) has a different bending radius to that of said radially inner surface (26).

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JP3338858

METHOD AND DEVICE FOR SPINNING RIM OF VEHICLE

Inventors:

Mario mezziolan

Application Number:

JP2008299358A

Publication Date:

March 08, 2016

Filing Date:

November 25, 2008

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