B - Operations – Transporting – 21 – C
Patent
B - Operations, Transporting
21
C
242/38.2
B21C 47/16 (2006.01) B65H 49/28 (2006.01) B65H 49/34 (2006.01)
Patent
CA 1323351
ABSTRACT The flat undersurface of the turntable is supported on three idler casters. The disc is driven on the periphery by a gear motor which has a drive wheel attached. The direc- tion of rotation of the turntable can be reversed by chang- ing the direction of the motor electrically and by moving the position of the motor so that it tends to drive into the disc as it turns thereby increasing the wheel pressure and friction as the load increases. A spring bias's the drive wheel towards this position so that when the power is turned off the motor and gear train acts as a brake. A pair of guide wheels act with the drive wheel to center the turn- table. The motor speed is controlled by changing the resistance of a potentiometer on a variable speed motor controller. The potentiometer is converted from a circular motion to a linear motion by a capstan and cable arrange- ment. A slide moves, when pulled by the stock. The slide pulls a cable that is wrapped around a capstan which is attached to the speed control potentiometer. The cable is pinned to the capstan and is weighted at the other end to provide a constant tension but variable speed supply of stock.
604420
Norwalk Innovation Lab Inc.
Sim & Mcburney
LandOfFree
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