US 12,479,076 B2
Bulk metallic glass components for a power tool
Ian A. Duncan, Colgate, WI (US); and Anthony E. Breitbach, Muskego, WI (US)
Assigned to MILWAUKEE ELECTRIC TOOL CORPORATION, Brookfield, WI (US)
Appl. No. 18/730,603
Filed by MILWAUKEE ELECTRIC TOOL CORPORATION, Brookfield, WI (US)
PCT Filed Jan. 20, 2023, PCT No. PCT/US2023/011260
§ 371(c)(1), (2) Date Jul. 19, 2024,
PCT Pub. No. WO2023/141283, PCT Pub. Date Jul. 27, 2023.
Claims priority of provisional application 63/306,841, filed on Feb. 4, 2022.
Claims priority of provisional application 63/301,533, filed on Jan. 21, 2022.
Prior Publication US 2025/0170694 A1, May 29, 2025
Int. Cl. B25D 11/00 (2006.01); B25D 11/10 (2006.01)
CPC B25D 11/106 (2013.01) [B25D 2211/064 (2013.01); B25D 2222/21 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A power tool comprising:
a drive mechanism;
a housing enclosing at least a portion of the drive mechanism;
a spindle rotatable in response to receiving torque from the drive mechanism;
a first drive element coupled for co-rotation with the spindle, the first drive element including a first sliding contact surface; and
a second drive element rotationally fixed to the housing, the second drive element including a second sliding contact surface engageable with the first sliding contact surface while the spindle rotates,
wherein at least one of the first drive element or the second drive element includes an amorphous metal material.