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Self-Retaining Transport Cable Pulley Disclosure Number: IPCOM000040706D
Original Publication Date: 1987-Dec-01
Included in the Prior Art Database: 2005-Feb-02

Publishing Venue


Related People

Kindler, T Seevers, KD [+details]


A cable pulley is mounted on a vertical shaft by a direct overhead motion to snap the pulley into position. This eliminates the need for a retaining device, such as a c-clip, and facilitates manufacturing automation since only a single direction of motion is required. A carrier transport system of a printer is driven by a stepper motor through a cable, which has its path changed numerous times so that pulleys are employed to keep the cable in line and taut. A cable pulley 1 (Fig. 2) is guided down a pulley shaft 2 by a single vertical downward motion. The pulley 1, which is a molded plastic, has three resilient fingers 3 (Fig. 1) extending upwardly from its top surface 4. Downward guiding of the pulley 1 onto the shaft 2 (Fig.