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US Patent 7878265 Impact power tool

Patent 7878265 was granted and assigned to Makita on February, 2011 by the United States Patent and Trademark Office.

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Patent Citations Received
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US Patent 12115637 Impact mechanism arrangement
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Patent abstract

It is an object of the invention to provide a technique for a reduction of an impact force cased by rebound of a tool bit after its striking movement in an impact power tool. The representative impact power tool includes a tool body, a hammer actuating member, a striker, a weight and an elastic element. A reaction force is transmitted from the hammer actuating member to the weight and the elastic element is elastically deformed when the weight moves ward by the reaction to absorb the reaction force. The invention is characterized in that the mass of the weight is set to about 40% or more of the mass of the striker.

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Patent Inventor Names
Yonosuke Aoki0
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US Patent 07878265 Impact power tool US Patent 7878265 Impact power tool

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Patent Number
078782650
Patent Number
78782650
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=078782650
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Infobox
Is a
Patent
Patent
0
Current Assignee
Makita
Makita
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
078782650
Date of Patent
February 1, 2011
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Patent Application Number
120105010
Date Filed
January 25, 2008
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=078782650
Patent Primary Examiner
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Rinaldi I. Rada
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07878265
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 US Patent 07878265 Impact power tool

Infobox
Is a
Patent
Patent
Current assignee
Makita
Makita
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07878265
Date of patent
February 1, 2011
Patent application number
12010501
Date Filed
January 25, 2008
Patent primary examiner
‌
Rinaldi I. Rada

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