US 12,290,892 B2
Impact tool and dust collection system
Kiyonobu Yoshikane, Anjo (JP); and Hiroki Takesashi, Anjo (JP)
Assigned to MAKITA CORPORATION, Anjo (JP)
Filed by MAKITA CORPORATION, Anjo (JP)
Filed on Nov. 22, 2023, as Appl. No. 18/517,311.
Application 18/517,311 is a continuation of application No. 17/824,432, filed on May 25, 2022, granted, now 11,865,657.
Claims priority of application No. 2021-093825 (JP), filed on Jun. 3, 2021; and application No. 2021-093826 (JP), filed on Jun. 3, 2021.
Prior Publication US 2024/0082973 A1, Mar. 14, 2024
Int. Cl. B23Q 11/00 (2006.01); B23Q 11/12 (2006.01); B25B 21/02 (2006.01)
CPC B23Q 11/0071 (2013.01) [B23Q 11/127 (2013.01); B25B 21/023 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A dust collection system, comprising:
an impact tool that includes (i) a motor, (ii) an impact mechanism that is configured to (a) be operated by the motor and (b) reciprocally impact a tool bit mounted at a front end of the impact tool when operated by the motor and (iii) a motor housing that houses the motor and the impact mechanism; and
a dust collection attachment that is configured to be removably mounted to the motor housing, wherein:
one of the motor housing and the dust collection attachment includes a first projecting engagement portion and a second projecting engaging portion;
a second of the motor housing and the dust collection attachment includes a first depression engaging portion and a second depression engaging portion; and
the motor housing and the dust collection attachment are configured such that:
(i) the dust collection attachment is a mounted to the motor housing by relative sliding movement between the motor housing and the dust collection attachment in a first direction; and
(ii) when the dust collection attachment is attached to the motor housing, (a) the first projecting engaging portion is retained by the first depression engaging portion and the second projecting engaging portion is retained by the second depression engaging portion, (b) the first projecting engaging portion is spaced from the second projecting engaging portion in the first direction and (c) the first depression engaging portion is spaced from the second depression engaging portion in the first direction.