×

Trigger profile for a power tool

  • US 8,800,680 B2
  • Filed: 03/12/2013
  • Issued: 08/12/2014
  • Est. Priority Date: 01/07/2010
  • Status: Active Grant
First Claim
Patent Images

1. A method for operating a power tool having an output shaft, comprising:

  • receiving an input control variable from an input unit;

    determining a derivative of the input control variable, said derivative being at least one of a first derivative or a second derivative;

    selecting one of a plurality of control profiles based on the control input variable and the derivative, each control profile correlating the control input variable of the input unit to a rotational speed at which to drive the output shaft; and

    driving the output shaft at a rotational speed in accordance with the selected control profile.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×