G - Physics – 05 – B
Patent
G - Physics
05
B
342/22.2, 342/29
G05B 19/12 (2006.01) B25D 17/08 (2006.01) G05B 19/408 (2006.01)
Patent
CA 1326527
ABSTRACT Single or multi-track data markings are provided on the shank of a tool bit between a torque transmission region at one end and a working region proper for automatic working data set-up of a driving implement for exchangeable tool bits. The data markings consist of a sequence of notch-like depressions and lands, which are scanned by inductive proximity switch sensors. In case of multi-track codings, one track is used for clock timing. In case of single track codings, an rpm transmitter signal is used as a clock time signal during the information decoding in order to obtain an unequivocal identification signal. Signal evaluation occurs in a microprocessor with at least two counter register combinations, which alternately, in the sequence of the sensor signal, count the pulses of the time clock signal. The respective combination contents are compared in an evaluation unit of the micro- processor with prestored table values. From this, working particular to each type of tool bit are made available for the motor drive, with due regard to the implement/transmission gearing and a tolerance range.
550618
Gierczak Eugene J. A.
Hilti - Aktiengesellschaft
LandOfFree
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