G - Physics – 08 – B
Patent
G - Physics
08
B
340/123.6
G08B 1/08 (2006.01) B21D 43/02 (2006.01) G06F 17/40 (2006.01)
Patent
CA 1264833
Abstract A device for automatically monitoring strip metal stock being fed from a roll feeder to a metal processing processing machine comprising: (a) a pair of rollers mounted on the feeder above and below the path of travel of the strip stock, said rollers being mounted on support arms which are fixed to transverse pivot rods on the feeder to permit movement of the rollers in substantially vertical direction, said pivot rods extending laterally outside the strip metal stock path and having crank arms fixed to the outer ends thereof, whereby the outer crank arms move in unison with the vertical movement of the rollers, and means to bias said rollers toward each other, (b) a rotary transducer operatively connected to an end of one of said rollers, said transducer being adapted to generate electrical signals proportional to the actual advancement of the strip stock, (c) a linear vertical differential transformer probe adapted to generate elec- trical signals proportional to the distance between the rollers and thus the thickness of the strip stock passing between the rollers, said probe being held by a pivotally mounted block on the free end of one of said outer crank arms and being adapted to engage a contact face of a block pivotally mounted on the free end of the other of said outer crank arms, and said probe being held perpendicular to said contact face by means of a guide member extending between said pivotally mounted blocks, and (d) a data processor adapted to collect and process data from the transducer and linear vertical differential transformer.
528286
Denis Andrew R. St.
Kirby Eades Gale Baker
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