HIGH RESOLUTION ANVIL ANGLE SENSOR

Abstract: a rotary power tool assembly including a hammercase an axis extending between a forward end and a rearward end, a drive mechanism housed within the hammercase, and a hammer driven by the drive mechanism to apply a rotational impact force on an anvil. the anvil includes an output shaft rotatable about the axis, a plurality of anvil jaws extending from the axis, and a flange fixedly connected to an end of the output shaft and extending radially from the axis, wherein the flange supports the plurality of anvil jaws, the flange extending over the plurality of anvil jaws. the anvil includes a magnet attached to the flange opposite to the plurality of anvil jaws. an anvil angle sensor is configured to read and interpret magnetic flux changes of the magnet and determine the position of the anvil rotating about the axis.

Inventor(s): Mark T. McClung, Daniel J. Becker

CPC Classification: B25D11/068 (PERCUSSIVE TOOLS {(percussive machines for forging ; hand-held drilling machines, in general , for wood ; drilling machines, used for mining or quarrying, with reciprocating tool which is turned intermittently when out of contact with the working face )})

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