Pistol-grip drill with trigger switch (Black & Decker)
Taladro de empuñadura de pistola con gatillo (Black & Decker)
- Date
- 1916-1917 · confidence high
- Place
- Baltimore, Maryland, United States
- Credited to
- S. Duncan Black and Alonzo G. Decker
- Field
- Tools
What it is
A drill with a pistol grip and a trigger that runs the motor only while squeezed, giving the operator constant control. Black & Decker patented it in 1917 and created the modern portable power tool.
What it led to
- mass-use portable power tools in workshops and homes
- 20th-century do-it-yourself
- cordless battery drills