US 12,246,426 B2
Rotary hammer
Hajime Takeuchi, Anjo (JP); Yoji Inoue, Anjo (JP); and Masanori Furusawa, Anjo (JP)
Assigned to MAKITA CORPORATION, Anjo (JP)
Filed by MAKITA CORPORATION, Anjo (JP)
Filed on Jun. 16, 2023, as Appl. No. 18/211,009.
Claims priority of application No. 2022-109128 (JP), filed on Jul. 6, 2022.
Prior Publication US 2024/0009823 A1, Jan. 11, 2024
Int. Cl. B25D 16/00 (2006.01)
CPC B25D 16/006 (2013.01) [B25D 2211/068 (2013.01); B25D 2216/0015 (2013.01); B25D 2216/0023 (2013.01); B25D 2216/0084 (2013.01); B25D 2250/121 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A rotary hammer comprising:
a tool body;
a tool holder that (i) has a cylindrical shape and a longitudinal axis, (ii) is configured to hold a tool accessory to be movable along the longitudinal axis and (iii) is supported by the tool body to be rotatable around the longitudinal axis;
a cylinder that (i) extends coaxially with the tool holder and (ii) is supported by the tool body to be rotatable around the longitudinal axis; and
a coupling member that (i) is between the tool holder and the cylinder in a radial direction of the tool holder, and (ii) is engaged with the tool holder and the cylinder to couple the tool holder and the cylinder together such that the tool holder and the cylinder integrally rotate,
wherein the tool holder and the cylinder are entirely spaced apart from each other in the radial direction.