Patent Number: 6,166,343

Title: Unidirectional clutch assembly for a stored energy circuit breaker operator assembly

Abstract: A unidirectional clutch assembly for use with an operator handle, pinion shaft assembly, a worm gear assembly and a pinion gear assembly of a stored energy assembly for use with a circuit breaker assembly, the operator handle and pinion shaft assembly including an operator handle having an outer handle hub having a first recess for receiving a first end of the pinion shaft assembly, the worm gear assembly fitting over the pinion shaft assembly and the pinion shaft assembly having a second end for receiving a pinion gear assembly, the unidirectional clutch assembly comprising a first unidirectional clutch structure, wherein the first unidirectional clutch structure fits over the first end of the pinion shaft and the unidirectional clutch structure is fitted into the first recess of the outer handle hub; and a second unidirectional clutch structure, wherein the second unidirectional clutch structure fits within the worm gear assembly and over the pinion shaft assembly between the first and second ends of the pinion shaft assembly, wherein the first unidirectional clutch structure and said second unidirectional clutch structure are oriented in the same direction so that they slip unidirectionally in the same direction.

Inventors: Blessitt; James H. (Peachtree City, GA), Bollinger, Jr.; Parker A. (Stone Mountain, GA), Reagan; Paul D. (Grayson, GA)

Assignee: Siemens Energy & Automation, Inc.

International Classification: H01H 3/30 (20060101); H01H 3/00 (20060101); H01H 005/00 ()

Expiration Date: 12/26/2017