G - Physics – 05 – D
Patent
G - Physics
05
D
242/20, 341/48
G05D 13/62 (2006.01) B65H 54/36 (2006.01) B65H 59/38 (2006.01)
Patent
CA 1112334
ABSTRACT OF THE DISCLOSURE A precision winder having a traverse mounted in a fixed position and a spindle mounted for rectilinear movement away from the traverse in response to the growth of a package being formed on the spindle. The spindle is driven by a D.C. motor and a D.C. speed con- trol is provided to control the speed of the motor in response to movement of the spindle away from the traverse. The main control potentiometer for the speed control is linear and adjusted in response to movement of the spindle away from the traverse by a cam propor- tioned to effect non-linear adjustment of the potentio- meter at a rate proportional to the decrease in spindle speed required to maintain drawing speed constant as the package grows.
319297
Coggin Charles H.
Sakakura Tatsuo R.
Gowling Lafleur Henderson Llp
Nitto Boseki Co Ltd.
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