Patent ID: 6039317
Filing Date: 2000-03-21
Classification: B65H

Abstract:
An apparatus for transporting signatures comprising.endless loop pulling means (5);a plurality of grippers (3), each including a lever arm (13), a stationary gripping element (9) and a movable gripping element (10) for providing an open and a close position of each gripper, said plurality of grippers (3) being attached in substantially equal distance from each other to said endless loop pulling means (5);an actuating device (11) counterbalancing a biasing force of a spring (34) so as to displace each moveable gripping element to the open position said actuating device (11) having two ends, the actuating device (11) being driven from its rest position and acting on the lever arm, wherein one end of said actuating device (11) facing away from the lever arm (13) is pivotally supported, and between its two ends the actuating device (11) is pivotally coupled to a connecting rod (20) which is supported by a revolving crank (21) disposed on a drive shaft (28); anda control rotor (30) secured to said drive shaft (28), wherein said control rotor (3) cooperates with a stationary initiator (31) for initiating one of braking of said revolving crank (21) and holding of said actuating device (11) in the home position.