US 12,194,611 B2
Power tool dual-trigger operation
Daniel F. Nace, Towson, MD (US); Levi G. Bowers, Manchester, MD (US); James H. Stiles, III, Baltimore, MD (US); Eric S. Rohrer, Columbia, MD (US); and Christopher T. King, Catonsville, MD (US)
Assigned to Black & Decker Inc., New Britain, CT (US)
Filed by Black & Decker Inc., New Britain, CT (US)
Filed on Feb. 13, 2024, as Appl. No. 18/440,502.
Application 18/440,502 is a continuation of application No. 17/832,955, filed on Jun. 6, 2022, granted, now 11,931,879.
Claims priority of provisional application 63/222,816, filed on Jul. 16, 2021.
Claims priority of provisional application 63/197,714, filed on Jun. 7, 2021.
Prior Publication US 2024/0181620 A1, Jun. 6, 2024
Int. Cl. B25F 5/02 (2006.01); B24B 23/02 (2006.01); B25F 5/00 (2006.01); H01H 13/14 (2006.01); H02P 1/06 (2006.01)
CPC B25F 5/026 (2013.01) [B24B 23/028 (2013.01); B25F 5/001 (2013.01); B25F 5/02 (2013.01); H01H 13/14 (2013.01); H02P 1/06 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A power tool comprising:
a housing;
an electric motor disposed within the housing;
a main trigger switch mounted on the housing;
a side handle mounted on the housing, the side handle having an auxiliary trigger; and
a controller disposed within the housing operable to control a flow of electric current from a power source to the electric motor, wherein the controller is configured to activate the motor at start-up only if the main trigger is actuated within a time threshold after the auxiliary trigger is actuated, and otherwise prevent motor operation until both the main trigger and the auxiliary triggers are released and reengaged.