Advancing material of indeterminate length – With material-responsive control means – Detector means
Patent
1985-07-31
1987-06-23
Jillions, John M.
Advancing material of indeterminate length
With material-responsive control means
Detector means
200 6118, 226 2, 226 11, B65H 2304, B65H 2302, H01H 2704
Patent
active
046746684
ABSTRACT:
The present invention relates to a wire supply sensing apparatus (4) for monitoring the supply of wire (3) to a wire receiver (5) from a wire supply source (1). The sensing apparatus (4) is comprised of a tangled wire sensor (7) and a wire supply continuity sensor (9). The wire supply continuity sensor (9) has a sensing arm (23) which responds to the absence of wire due to wire breakage or depletion of the wire supply from the source (1). Upon wire breakage or depletion the sensing arm (23) controls an electric switch (27) which signals a controller (33) to turn off electric power at the wire receiving apparatus (5). The tangled wire sensor (9) has a plunger (13) including a tension sensing channel (15) for detecting a tangle (37) in the wire. Tension caused by the tangle (37) provides a force against the plunger (13) to move the plunger (13) to a position indicating the presence of a sensed tangle. In the sensed tangle position, the wire (3) moves a distance away from the switch (27) and, as a result, the sensing arm (23) of the wire continuity sensor (9) moves to a position indicative of wire supply interruption. Switch (27) then signals controller (33) to turn off the power to wire receiver (5).
REFERENCES:
patent: 2419518 (1947-04-01), Eichinger
patent: 2685626 (1954-08-01), Zwack
patent: 2966291 (1960-12-01), Anderson
patent: 3227833 (1966-01-01), Davies et al.
patent: 3268709 (1966-08-01), Olds
patent: 3391840 (1968-07-01), King
Jillions John M.
Sohacki Lynn M.
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