US 12,240,077 B2
Guard for a rotatable wheel of a power tool
Michael Ching, Zurich (CH)
Assigned to SWISSLOGO AG, Zurich (CH)
Appl. No. 18/549,222
Filed by SWISSLOGO AG, Zurich (CH)
PCT Filed Mar. 10, 2022, PCT No. PCT/EP2022/056192
§ 371(c)(1), (2) Date Sep. 6, 2023,
PCT Pub. No. WO2022/189569, PCT Pub. Date Sep. 15, 2022.
Claims priority of application No. 2103281 (GB), filed on Mar. 10, 2021.
Prior Publication US 2024/0123571 A1, Apr. 18, 2024
Int. Cl. B24B 55/05 (2006.01); B24B 55/10 (2006.01); B25F 5/02 (2006.01)
CPC B24B 55/052 (2013.01) [B24B 55/102 (2013.01); B25F 5/02 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A guard for a rotatable wheel of a power tool, the guard comprising:
a shroud which is configured to partially enclose the wheel;
a port disposed at a circumferential position on the shroud, via which debris generated by the wheel during use can exit the shroud;
wherein the shroud comprises a radii of curvature which increases between a first angular position and a second angular position, relative to a rotational axis of the wheel, in a direction comprising a rotational direction of the wheel.