Apparatus for releasably securing a rotatable object in a predetermined position

摘要

An apparatus is provided for biasing a shaft (12) toward, and releasably securing it in, a predetermined position. The apparatus comprises a magnetic assembly coupled to the shaft (12) for releasably securing the shaft (12) in a predetermined position, a first member coupled to and extending from the shaft (12) for rotating the shaft (12) from the predetermined position, and a spring assembly coupled to the shaft (12) for securing the shaft (12) in the predetermined position.