Sub frame structure of vehicle

US2016207574A1 · US · A1

Patent metadata
FieldValue
Publication numberUS-2016207574-A1
Application numberUS-201614987057-A
CountryUS
Kind codeA1
Filing dateJan 4, 2016
Priority dateJan 16, 2015
Publication dateJul 21, 2016
Grant date

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A sub frame structure of a vehicle comprises a pair of right-and-left side members extending in a vehicle longitudinal direction, to which a pair of right-and-left upper-side lower arm supporting rear wheels are pivotally connected, a rear cross member holding the vicinity of rear ends of the side members, and a front cross member interconnecting the side members in a vehicle width direction and being positioned in front of the rear cross member, being spaced apart from the rear cross member. The side member includes a front support bracket and a rear member holding member to which a front connection portion and a rear connection portion of the upper-side lower arm are connected, and a displacement portion to cause the rear member holding member to be displaced forward is provided between the front support bracket and the rear member holding member.

First claim

Opening claim text (preview).

What is claimed is: 1 . A sub frame structure of a vehicle which is rigidly connected to a vehicle body, comprising: a pair of right-and-left side members extending in a vehicle longitudinal direction, to which a pair of right-and-left arm members supporting right-and-left rear wheels are pivotally connected; and a rear cross member holding the vicinity of respective rear ends of the pair of right-and-left side members; and a front cross member interconnecting the pair of right-and-left side members in a vehicle width direction and being positioned in front of the rear cross member, being spaced apart from the rear cross member, wherein each of said side members includes plural arm connection portions which are arranged along the vehicle longitudinal direction such that a rear side thereof is positioned at a lower level than a front side thereof and to which plural end portions of each of said arm members are connected, said plural arm connection portions comprises a front arm connection portion which is located foremost and a rear arm connection portion which is located rearmost, and a displacement portion to cause the rear arm connection portion to be displaced forward is provided between the front arm connection portion and the rear arm connection portion. 2 . The sub frame structure of the vehicle of claim 1 , wherein said displacement portion is a weak portion which is provided at a position of the side member which is located near said rear arm connection portion and configured to be weaker than a portion of said side member which is located near said front arm connection portion. 3 . The sub frame structure of the vehicle of claim 1 , wherein said displacement portion is a bending portion which is provided at a position of the side member which is located in back of said front arm connection portion and configured to bend downward and then rearward. 4 . The sub frame structure of the vehicle of claim 1 , wherein said displacement portion comprises a weak portion which is provided at a position of the side member which is located near said rear arm connection portion and configured to be weaker than a portion of said side member which is located near said front arm connection portion and a bending portion which is provided at a position of the side member which is located in back of said front arm connection portion and configured to bend downward and then rearward.

Assignees

Inventors

Classifications

  • B62D21/11Primary

    with resilient means for suspension {, e.g. of wheels or engine; sub-frames for mounting engine or suspensions} · CPC title

  • substantially perpendicular, e.g. between tie-rod and steering knuckle · CPC title

  • B62D21/155Primary

    Sub-frames or underguards · CPC title

  • Suspension arms, e.g. constructional features (B60G7/006 takes precedence) · CPC title

  • Connections between vehicle body and vehicle frame (B62D23/00, B62D33/077 take precedence) · CPC title

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What does patent US2016207574A1 cover?
A sub frame structure of a vehicle comprises a pair of right-and-left side members extending in a vehicle longitudinal direction, to which a pair of right-and-left upper-side lower arm supporting rear wheels are pivotally connected, a rear cross member holding the vicinity of rear ends of the side members, and a front cross member interconnecting the side members in a vehicle width direction an…
Who is the assignee on this patent?
Mazda Motor
What technology area does this patent fall under?
Primary CPC classification B62D21/11. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Thu Jul 21 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).