Textiles: weaving – Stopping – Weft
Patent
1977-02-10
1978-06-20
Jaudon, Henry S.
Textiles: weaving
Stopping
Weft
D03D 5134
Patent
active
040956210
ABSTRACT:
A system for detecting the breaking of the woof in a shuttleless weaving machine wherein the woof is drawn into the machine from a supply. The system includes a detector circuit for detecting the travel of the woof into the machine, and generating a signal when the woof breaks, indicative thereof; a timing switch operatively associated with the weaving cycle of the weaving machine for generating a timing signal at a predetermined time period during the travel of said woof with respect to the detector; a monostable multivibrator responsive to the leading edge of the timing signal, gate means responsive to the timing signal and the output from said monostable multivibrator for providing a time period defining signal; second gate means for allowing the woof breaking signal to pass therethrough as a function of being ANDED with the timing period defining signal; a flip-flop being set in response to the output from the second gate means; and a relay which is energized by the set output from the flip-flop, for disconnecting power from the weaving machine.
REFERENCES:
patent: 3298401 (1967-01-01), Stutz
patent: 3440634 (1969-04-01), Maurmann et al.
patent: 3495633 (1970-02-01), Sakamoto et al.
patent: 4023599 (1977-05-01), Zeleny
Jaudon Henry S.
Kasuga Denki Co., Ltd.
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