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Patent Searching and Data


Title:
ARM MATERIAL AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
Japanese Patent JP2013216314
Kind Code:
A
Abstract:

To provide an arm material for an upper arm and a lower arm making up a double wish bone suspension, etc., of an automobile, in which the material has a flat and hollow closed sectional shape and is further reduced in size and weight and improved in strength.

An arm material 11 for a suspension of an automobile includes a body composed of a metal member. The metal member 11a has a flat and hollow closed sectional shape having a pair of long sides 12 and 13 opposite to each other, and is structured integrally in the longitudinal direction. The body at least has a first bent part 16 bent in a plane substantially parallel with the pair of long sides 12 and 13.


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Inventors:
SHIMADA NAOAKI
YOSHIDA TSUNETAKA
Application Number:
JP2013095748A
Publication Date:
October 24, 2013
Filing Date:
April 30, 2013
Export Citation:
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Assignee:
NIPPON STEEL & SUMITOMO METAL CORP
International Classes:
B60G7/00; B21D7/08; B21D7/16; B21D53/88; B60G3/20
Domestic Patent References:
JPH09150225A1997-06-10
JPH08257640A1996-10-08
JPS579534A1982-01-19
Foreign References:
WO2006093006A12006-09-08
Attorney, Agent or Firm:
広瀬 章一