Electrical transmission or interconnection systems – Switching systems – Condition responsive
Patent
1976-07-19
1978-05-02
Schaefer, Robert K.
Electrical transmission or interconnection systems
Switching systems
Condition responsive
307326, 200 6118, 19 25, H01H 8300
Patent
active
040876993
ABSTRACT:
In a textile machine of the kind which processes a material in the form of a web or a gauze, a circuit for checking the continuity of said web or gauze, said circuit being branched off from the circuit which feeds the machine proper and ending in two terminals between which the web or gauze is caused to run, so that, when no web or gauze is interposed between said terminals, the branched off circuit is closed and electromagnetic means enter action to stop the machine.
REFERENCES:
patent: 185164 (1876-12-01), Bullough
patent: 1018029 (1912-02-01), Bell
F.LLI Marzoli & C. S.p.A.
Ginsburg Morris
Schaefer Robert K.
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