US 11,833,644 B2
Electric power tool and electric vibration driver drill
Takeshi Kamiya, Anjo (JP)
Assigned to MAKITA CORPORATION, Anjo (JP)
Filed by MAKITA CORPORATION, Anjo (JP)
Filed on May 20, 2019, as Appl. No. 16/416,368.
Claims priority of application No. 2018-108877 (JP), filed on Jun. 6, 2018.
Prior Publication US 2019/0375079 A1, Dec. 12, 2019
Int. Cl. B25B 21/02 (2006.01); B23B 45/00 (2006.01); B25B 19/00 (2006.01); B23B 45/02 (2006.01)
CPC B25B 21/023 (2013.01) [B23B 45/008 (2013.01); B25B 19/00 (2013.01); B23B 45/02 (2013.01)] 11 Claims
OG exemplary drawing
 
10. An electric power tool comprising:
a housing extending in a front-rear direction;
a first ring (1) externally and rotatably mounted to the housing and (2) having a first face in the front-rear direction;
a second ring (1) externally and rotatably mounted to the housing and (2) having a second face in the front-rear direction, the second face facing the first face; and
a plurality of sliding members that are operatively between the first face and the second face and configured to facilitate relative rotation between the first ring and the second ring when the first ring is rotated relative to the second ring and the housing and the second ring is rotated relative to the first ring and the housing, wherein:
the first ring and the second ring (i) are immediately adjacent to each other but not in direct contact with each other and (ii) are not operationally connected;
one of the first ring and the second ring includes space recesses;
one of the plurality of sliding members is received and retained in each one of the space recesses; and
a washer or a plate is between each of the plurality of sliding members and a bottom surface of the each one of the spaced recesses.