US Patent 9221164 Chisel
Patent 9221164 was granted and assigned to Hilti on December, 2015 by the United States Patent and Trademark Office.
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Patent abstract
A chisel according to the present technology has a reduced tendency to jam in a substrate. The chisel is on an axis in the striking direction with successively a striking surface, a shank, a spreading element and a tip. The spreading element has multiple ribs around the axis extending along the axis 2. The ribs each have a wave shape formed through a tangential deflection with respect to the axis.
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US Patent 09221164 Chisel US Patent 9221164 Chisel
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Patent Number
092211640
Patent Number
92211640
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Official Website
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Is a
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
092211640
Date of Patent
December 29, 2015
0Patent Application Number
137687360
Date Filed
February 15, 2013
0Official Website
Patent Primary Examiner
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US Patent 09221164 Chisel
Infobox
Is a
Patent applicant
Current assignee
Patent jurisdiction
Patent number
09221164
Date of patent
December 29, 2015
Patent application number
13768736
Date Filed
February 15, 2013
Patent primary examiner
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