Non-contact actuator

Details Non-contact actuator Non-contact actuator

B - Operations, Transporting

65

G

270/144

B65G 47/52 (2006.01)

Patent

CA 2011974

NON-CONTACT ACTUATOR Abstract of the Disclosure A non-contact actuator assembly for a newspaper gripper includes a magnet disposed on a gripper release arm. The release arm passes beneath an electromagnet disposed adjacent the workpath of the gripper. The position of the gripper is sensed and a suitable signal provided to an associated voltage supply. A pulse width modulated voltage quickly and effectively induces a magnetic field in the electromagnet as the magnet in the release arm passes thereby and the magnetic field collapses quickly so as not to actuate the next gripper. The magnetic field urges the release arm to an actuated position so that opposed clamping jaws of the gripper open to release a gripped sheet product.

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