B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
101/115
B41J 9/26 (2006.01) B41J 9/127 (2006.01) B41J 9/36 (2006.01)
Patent
CA 1181989
ACTUATOR MECHANISM FOR A PRINTER OR THE LIKE Abstract An actuator element having a fixed end and a magne- tizable deflection end is releasably held in spring loaded condition at a non-operative positon by an electromagnetic operator means. In the preferred form, the actuator element is an elastic beam of magnetically permeable material. The operator means comprises first and second permanent magnets for generating separate magnetic fields of the same polarity proximate the magnetizable deflection end of the actuator element and magnetic core means combined with the permanent magnets to form at least first and second magnetic holding circuits with the deflection end of the actuator element through a common return path. A winding on the return path of the core means when energized generates flux in opposition to the flux from the permanent magnets to release the actuator element for movement to an operative position. Upon de-energization of the winding, the deflection end or the actuator element is retracted and held by the permanent magnets in spring loaded condition.
387025
International Business Machines Corporation
Rieder Thomas T.
LandOfFree
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