US Patent 8141255 Multi-impact hand tool
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Patent abstract
A multi-impact hand tool comprises a sleeve, a tool head, a movable rod, a spring and an impact block. With only one impact operation, the multi-impact hand tool can provide a multi-impact effect, thus improving the working efficiency. In addition, the impact force can be directly transferred to the tool head for performing the chiseling operation, thus improving the working efficiency.
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Patent Inventor Names
Cheng-Wei Su0
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Patent Citations Received
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US Patent 08141255 Multi-impact hand tool US Patent 8141255 Multi-impact hand tool
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Patent Number
08141255
Patent Number
8141255
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US Patent 08141255 Multi-impact hand tool
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Is a
Patent jurisdiction
Patent number
08141255
Date of patent
March 27, 2012
Patent application number
12550367
Date Filed
August 29, 2009
Patent primary examiner
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