Suspension device

US11820185B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11820185-B2
Application numberUS-202017610687-A
CountryUS
Kind codeB2
Filing dateMay 25, 2020
Priority dateJun 25, 2019
Publication dateNov 21, 2023
Grant dateNov 21, 2023

How to read this patent

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  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

The suspension device according to the present invention is provided with a leaf spring extending in a belt shape, a first arm, a second arm, and a coupling member for rotatably coupling the first arm and the second arm, wherein: a first holding part for holding one end of the leaf spring and a second holding part for holding the other end of the leaf spring are provided; and the first and second arms each support the leaf spring by at least one portion that is different from the one end or the other end of the leaf spring.

First claim

Opening claim text (preview).

What is claimed is: 1. A suspension device, comprising: a leaf spring that extends in a belt shape; a first arm; a second arm; and a coupling member that rotatably couples the first arm and the second arm, wherein the suspension device has: a first holding part that holds one end of the leaf spring; and a second holding part that holds an other end of the leaf spring, wherein the first arm and the second arm support the leaf spring by at least one portion that is different from the one end and the other end of the leaf spring, a support position of the leaf spring supported by the first arm and the second arm is located between a first coupling position between the first arm and the coupling member and a second coupling position between the second arm and the coupling member, the support position of the leaf spring supported by the first arm and the second arm is located below the coupling member and spaced apart from the coupling member. 2. The suspension device according to claim 1 , wherein the first holding part is provided on the first arm, and the second holding part is provided on the second arm. 3. The suspension device according to claim 1 , wherein the leaf spring is made of fiber reinforced plastics. 4. The suspension device according to claim 1 , wherein the first holding part is provided on the first arm, and the second holding part is provided on the second arm. 5. The suspension device according to claim 1 , wherein the leaf spring is made of fiber reinforced plastics. 6. The suspension device according to claim 2 , wherein the leaf spring is made of fiber reinforced plastics.

Assignees

Inventors

Classifications

  • B60G11/08Primary

    arranged substantially transverse to the longitudinal axis of the vehicle · CPC title

  • characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle · CPC title

  • longitudinally arranged · CPC title

  • Leaf springs · CPC title

  • Fiber-reinforced plastics [FRP] · CPC title

Patent family

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Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US11820185B2 cover?
The suspension device according to the present invention is provided with a leaf spring extending in a belt shape, a first arm, a second arm, and a coupling member for rotatably coupling the first arm and the second arm, wherein: a first holding part for holding one end of the leaf spring and a second holding part for holding the other end of the leaf spring are provided; and the first and seco…
Who is the assignee on this patent?
Nhk Spring Co Ltd
What technology area does this patent fall under?
Primary CPC classification B60G11/08. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Nov 21 2023 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).