B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
101/94.4
B41J 19/04 (2006.01) B41J 25/00 (2006.01)
Patent
CA 1139152
#1587 Abstract of the Disclosure A counterbalanced bidirectional drive for a hammer bank shuttle assembly within a line printer utilizes a band formed into an endless loop extending around and between an opposite pair of rotatable pulleys on opposite sides of the pulleys. A hammer bank-carrying shuttle assembly is coupled to a portion of the band between the pulleys on one side of the pulleys and is counterbalanced by an elongated bar of similar mass coupled to a portion of the band between the pulleys on the opposite side of the pulleys from the shuttle assembly. A DC motor coupled to one of the pulleys is alternately energized in opposite senses so as to bidirectionally drive the shuttle assembly along a linear path between opposite limits defined by resilient members impacted by an element mounted on the counterbalancing bar.
343900
Barrus Gordon B.
Matula Jerry
Radke Glen R.
Printronix Inc.
Smart & Biggar
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