IMPACT WRENCH

An impact wrench (1) includes: a brushless motor (11); a hammer (17) disposed frontward of, and driven by, the brushless motor; and a hammer case (16), which houses the hammer. An anvil (4) of the impact wrench includes: an arm portion (25) disposed frontward of the hammer and configured to be impac...

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Bibliographic Details
Main Authors MURAI, Yuki, SHIKATA, Nobuaki, SANO, Yuya
Format Patent
LanguageEnglish
Published 14.04.2022
Subjects
HAND TOOLS
MANIPULATORS
PERFORMING OPERATIONS
PORTABLE POWER-DRIVEN TOOLS
TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING
TRANSPORTING
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Summary:An impact wrench (1) includes: a brushless motor (11); a hammer (17) disposed frontward of, and driven by, the brushless motor; and a hammer case (16), which houses the hammer. An anvil (4) of the impact wrench includes: an arm portion (25) disposed frontward of the hammer and configured to be impacted (struck) in a rotational direction by the hammer; a cylindrical portion (30) connected to the arm portion and supported by the hammer case; a square-column portion (31) disposed frontward of the cylindrical portion; and an enlarged portion (35) disposed between the cylindrical portion and the square-column portion and enlarging in a direction extending rearward from the square-column portion. A recessed portion (37) is continuous in a circumferential direction of the cylindrical portion and is disposed between the cylindrical portion and the enlarged portion of the anvil.
Bibliography:Application Number: US202117464958