VEHICLE SUPPORT STRUCTURE AND METHOD FOR MANUFACTURING VEHICLE SUPPORT STRUCTURE

WIPO Patent Application WO/2022/054353

A1

A problem of the present invention is to provide a vehicle support structure capable of achieving further reduction in weight while enhancing stiffness in a cast of an aluminum alloy.　To solve the problem, a vehicle support structure (1) is provided with: a main body portion (2) for axially supporting an axle rotatably; and a vehicle part attachment portion (3) formed so as to be extended from the main body portion (2). The vehicle part attachment portion (3) has a first boss portion (4), a second boss portion (5), and a third boss portion (6) which are placed in a triangular form when viewed in a direction along the axle, a first connection portion (7) which connects the first boss portion (4) with the third boss portion (6), and a second connection portion (8) which connects the second boss portion (5) with the third boss portion (6), and is a cast of aluminum or an aluminum alloy. The first connection portion (7) and the second connection portion (8) are gradually tilted in such a manner that center portions in a longitudinal direction are reduced in thickness. On a side portion of the third boss portion (6) on an opposite main body portion side, a sprue mark (9) is formed.

MARUYAMA YASUHIRO (JP)
TERADA KAZUHIRO (JP)

PCT/JP2021/020769

March 17, 2022

June 01, 2021

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HITACHI ASTEMO LTD (JP)

B22D21/04; B22C9/02; B22D25/02; B60G7/00

JP2017217970A	2017-12-14
JP2018203246A	2018-12-27
JPH07148547A	1995-06-13
US20160159392A1	2016-06-09

WATANUKI PATENT SERVICE BUREAU (JP)

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