System and method for easy removal of hydraulic hammer bushing

US9102045B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9102045-B2
Application numberUS-201113248563-A
CountryUS
Kind codeB2
Filing dateSep 29, 2011
Priority dateSep 29, 2011
Publication dateAug 11, 2015
Grant dateAug 11, 2015

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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 hydraulic hammer having a front head and a lower bushing is disclosed. Also disclosed is a system and method for easily removing the lower bushing from the front head. The front head of the hydraulic hammer may define a bore therein and an inner surface of the bore may have a first taper. The lower bushing of the hydraulic hammer may be capable of being positioned within the bore of the front head and an outer surface of the lower bushing may have a second taper, with the first taper substantially following the second taper.

First claim

Opening claim text (preview).

What is claimed is: 1. A hydraulic hammer, comprising: a front head defining a first bore therein, an inner surface of the first bore having a first taper; a lower bushing capable of being positioned within the first bore, an outer surface of the lower bushing having a second taper, the first taper substantially following the second taper, an inner wall of the lower bushing defining a second bore, and a clearance between the inner surface of the front head and the outer surface…

Assignees

Inventors

Classifications

  • Fixed Constructions · mapped topic

  • Operations & Transport · mapped topic

  • Cross-Sectional Technologies · mapped topic

  • Operations & Transport · mapped topic

  • B25D17/08Primary

    Operations & Transport · mapped topic

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Frequently asked questions

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What does patent US9102045B2 cover?
A hydraulic hammer having a front head and a lower bushing is disclosed. Also disclosed is a system and method for easily removing the lower bushing from the front head. The front head of the hydraulic hammer may define a bore therein and an inner surface of the bore may have a first taper. The lower bushing of the hydraulic hammer may be capable of being positioned within the bore of the front…
Who is the assignee on this patent?
Jagdale Rakesh Dushyantrao, Pillers Ii Lauritz P, Caterpillar Inc
What technology area does this patent fall under?
Primary CPC classification B25D17/08. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Aug 11 2015 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).