US 12,429,213 B2
Power tool utilizing optical fibers to output light
Brandon S. Bell, Shorewood, WI (US); Zachary Jankowski, Oak Creek, WI (US); Riley G. F. Jones, Waukesha, WI (US); David M. Pittman, Sussex, WI (US); Torrin T. Santy, Menomonee Falls, WI (US); and Ian C. Mckay, Milwaukee, WI (US)
Assigned to MILWAUKEE ELECTRIC TOOL CORPORATION, Brookfield, WI (US)
Filed by MILWAUKEE ELECTRIC TOOL CORPORATION, Brookfield, WI (US)
Filed on May 14, 2024, as Appl. No. 18/663,770.
Claims priority of provisional application 63/569,954, filed on Mar. 26, 2024.
Claims priority of provisional application 63/466,839, filed on May 16, 2023.
Claims priority of provisional application 63/466,840, filed on May 16, 2023.
Prior Publication US 2024/0384867 A1, Nov. 21, 2024
Int. Cl. F21V 33/00 (2006.01); B25F 5/02 (2006.01); F21V 8/00 (2006.01)
CPC F21V 33/0084 (2013.01) [B25F 5/02 (2013.01); G02B 6/0006 (2013.01); G02B 6/0008 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A power tool comprising:
a primary housing;
a motor situated within the primary housing;
a circuit board located within the primary housing;
a plurality of light sources mounted to the circuit board;
an electronic processor configured to:
determine a status of the power tool, of a battery pack coupled to the power tool, or of both the power tool and the battery pack, and
control illumination of the plurality of light sources based on the status of the power tool, of the battery pack, or of both the power tool and the battery pack; and
a plurality of optical fibers each including a first end and a second end, wherein the first end of each optical fiber is coupled to a respective light source and the second end of each optical fiber is coupled to an indicator mount, wherein the indicator mount is coupled to the primary housing and configured to allow light from each light source of the plurality of light sources to be emitted, via a respective optical fiber, outside the primary housing to provide an indication of the status of the power tool, of the battery pack coupled to the power tool, or of both the power tool and the battery pack.