Patent ID: 6322467
Filing Date: 2001-11-27
Classification: B65G,F16H

Abstract:
In a drive chain assembly for transferring power from a power source to a driven chain, said assembly comprising an endless drive chain, sprocket means for coupling said drive chain to the power source, a backup bar for guiding said drive chain, an actuator connected to said backup bar for selectively biasing said backup bar against said drive chain, said actuator being mounted to slide between a first predetermined position where the actuator is moved to properly engage the drive chain with the driven chain and a second predetermined position where the actuator is moved to properly disengage the drive chain with the driven chain, and said actuator having a first indicating member for indicating the location of the first predetermined position and a second indicating member for indicating the location of the second predetermined position, whereby an operator can operate the backup bar assembly by moving the actuator directly between the first and second indicating members.