Electricity: circuit makers and breakers – Special application – Running length – web or strand actuated
Patent
1976-09-03
1978-06-13
Scott, James R.
Electricity: circuit makers and breakers
Special application
Running length, web or strand actuated
19 023, 19 025, 28189, 57 81, 200 6118, B65H 2514, D01G 3100, D01H 1316
Patent
active
040950620
ABSTRACT:
The apparatus is particularly adapted for detecting breakage, run-out or excessive slackening of running sliver strands passing from a creel to the drafting rolls of a textile drafting machine, and includes reed switches which are actuable by movement, into proximity therewith, of magnet-carrying members which normally are maintained distal from the switches by engagement with the sliver strands. The reed switches are protectively mounted and are so located with respect to the magnet-carrying members as to minimize the number of reed switches required for operation of the apparatus. The channelled mounting for the reed switches also provides separating vane guides for the adjacent running strands of sliver, the guide walls having rounded end protuberances to effect better separation; both the guide elements and magnet-carrying members being coated with a smooth plastic to obviate snagging of sliver.
REFERENCES:
patent: 2553335 (1951-05-01), Scott
patent: 2670503 (1954-03-01), Anderson
patent: 2712676 (1955-07-01), McIntyre
patent: 2734956 (1956-02-01), Berker
patent: 3305896 (1967-02-01), Rayfield et al.
patent: 3330016 (1967-07-01), Smith et al.
patent: 3402269 (1968-09-01), Gregory
patent: 3404524 (1968-10-01), Rajonha et al.
patent: 3462569 (1969-08-01), Schooley
patent: 3510862 (1970-05-01), Bell et al.
patent: 3612791 (1971-10-01), Porter et al.
Heard Joseph H.
Platt Saco Lowell Limited
Scott James R.
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