Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Koji Kasugai
Kihiro Kusumoto
Tokuo Hirabayashi
Yuya Sano
Date of Patent
October 10, 2023
Patent Application Number
16928466
Date Filed
July 14, 2020
Patent Citations
Patent Primary Examiner
Patent abstract
An anvil receives less stress around a rectangular prism and has higher durability. An impact wrench includes a motor, a hammer rotatable by the motor, a body accommodating the motor and the hammer, and an anvil protruding frontward from the body and to be struck in a rotation direction by the hammer. The anvil includes a blade to be in contact with the hammer, a cylinder located frontward from the blade, a rectangular prism located frontward from the cylinder, at least one chamfered surface each at an edge of the rectangular prism, and a concave on a rear end of the at least one chamfered surface.
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