Patent
1981-01-09
1983-01-04
Abercrombie, Willie G.
17 1F, 83365, 83371, A22C 1100
Patent
active
043666000
ABSTRACT:
A link cutter includes a support frame having a cutting zone, a first conveyor on one side of the cutting zone for sequentially conveying a plurality of links interconnected by twisted casing sections, a second conveyor on the opposite side of the cutting zone for receiving links from the first conveyor and stretching the twisted casing sections at the cutting zone. A sensor upstream of the cutting zone includes a source of electromagnetic waves directed across the path of the links and a device for sensing those waves which pass between the links adjacent the twisted casing sections so as to actuate a knife within the cutting zone to sever the sensed twisted casing section upon movement of the same to the cutting zone. The sensor may be a light source and photocell adjustably mounted relative to the cutting zone. A mirror or reflective surface is positioned in the cutting zone to function in combination with the light source and photocell. The reflective surface is positioned so that the links move through the cutting zone in engagement therewith. The movement of the links across the reflective surface keeps the reflective surface clean.
REFERENCES:
patent: 2147617 (1939-02-01), McCleery
patent: 3659316 (1972-05-01), Berendt et al.
patent: 4073039 (1978-02-01), Muller
Ladd Floyd R.
Townsend Ray T.
Abercrombie Willie G.
Townsend Engineering Company
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