Assembling apparatus and assembling method

US11267089B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11267089-B2
Application numberUS-202017035883-A
CountryUS
Kind codeB2
Filing dateSep 29, 2020
Priority dateOct 26, 2015
Publication dateMar 8, 2022
Grant dateMar 8, 2022

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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.

An assembling apparatus places a retainer on a valve spring to surround an upper end of a valve stem. The apparatus includes an assembling head, and a moving unit configured to move the assembling head between the supply position of the retainer and an assembling position. The assembling head includes a holding unit configured to hold the retainer, and a push unit configured to push out the retainer. The push unit includes a push member supported to be able to advance/retreat along an elevating direction of the assembling head, and a biasing member configured to bias the push member in an advancing direction.

First claim

Opening claim text (preview).

The invention claimed is: 1. An assembling apparatus that assembles a retainer by engaging a pair of cotter pieces with an upper end of a valve stem, comprising: a first assembling head configured to place the retainer on a valve spring provided to surround the upper end of the valve stem and assemble the retainer; a first moving unit configured to move the first assembling head between a supply position of the retainer and an assembling position; a second assembling head conf…

Assignees

Inventors

Classifications

  • B23P21/00Primary

    Operations & Transport · mapped topic

  • Mechanical Engineering · mapped topic

  • Mechanical Engineering · mapped topic

  • B23P19/045Primary

    Operations & Transport · mapped topic

  • F01L3/24Primary

    Mechanical Engineering · mapped topic

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Frequently asked questions

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What does patent US11267089B2 cover?
An assembling apparatus places a retainer on a valve spring to surround an upper end of a valve stem. The apparatus includes an assembling head, and a moving unit configured to move the assembling head between the supply position of the retainer and an assembling position. The assembling head includes a holding unit configured to hold the retainer, and a push unit configured to push out the ret…
Who is the assignee on this patent?
Hirata Spinning
What technology area does this patent fall under?
Primary CPC classification B23P21/00. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Mar 08 2022 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 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).