Yarn breakage detection circuitry for knitting machines

Details Yarn breakage detection circuitry for knitting machines Yarn breakage detection circuitry for knitting machines

1975-10-01

1976-08-17

Feldbaum, Ronald

Textiles: knitting

Stopping

Strand controlled

57 81, 340259, D04B 3512

Patent

active

039746658

ABSTRACT:
A magnetically responsive circuit is arranged in the yarn breakage detection portion of a knitting machine for providing a visual indication of yarn breakage and for simultaneously switching the operating state of a drive coil-actuated clutch which feeds yarn into the machine. The drive coil is serially connected with a magnetically actuated reed switch which responds to the detection of yarn breakage to switch the operating state of the drive coil. A normally disabled lamp or other illumination device is connected to the drive coil and to the switch by means of a diode. The diode is poled to maintain the lamp disabled while the switch remains unoperated, and to energize the lamp when the switch is operated in response to a detection of yarn breakage.

REFERENCES:
patent: 3561089 (1971-02-01), Morgan

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