US Patent No. 10,335,937


Patent No. 10,335,937
Issue Date July 02, 2019
Title Fastener-driving Tool Including A Fastening Result Detector
Inventorship Stephen P. Moore, Palatine, IL (US)
Daniel J. Birk, McHenry, IL (US)
Assignee Illinois Tool Works Inc., Glenview, IL (US)

Claim of US Patent No. 10,335,937

1. A fastener-driving tool comprising:a housing;
a cylinder within the housing;
a piston slidably disposed within the cylinder;
a driver blade extending from the piston;
a signal generator movable with the piston relative to the cylinder;
a plurality of sensors associated with the cylinder, each sensor configured to generate a signal based on movement of the signal generator relative to the sensor; and
a controller configured to communicate with the sensors and, responsive to receiving at least one of the signals, determine whether a positive fastening result or a negative fastening result has occurred based on at least one of the signals.