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Article: New York Inventor Develops Switch Machine for Model Railroad Layout
- Article from:
- US Fed News Service, Including US State News
- Article date:
- June 4, 2008
CopyrightCopyright © HT Media Ltd. All Rights Reserved. Provided by ProQuest LLC. (Hide copyright information)
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ALEXANDRIA, Va., June 4 -- Dennis R. Zander of Penfield, N.Y., has developed a single wire control input model railroad switch machine.
According to the U.S. Patent & Trademark Office: "A switch machine for a model railroad layout includes a unidirectional motor, a switch actuator coupled to the motor and movable between two switch positions by rotation of the motor, a sensor coupled to the switch actuator for sensing the position of the switch actuator, and a controller connected to the motor and the sensor and having a power input and at least a single wire control input, the controller responsive to a first control signal to activate the motor to move the switch actuator from a first ...
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Article: Patent No. 7,563,995 Assigned to Rockwell Automation for Safety ...
US Fed News Service, Including US State News;
July 23, 2009 ;
388 words
... ... switch and a safety switch actuator and a second mounting ... switch and the safety switch actuator. The first and second ... switch and the safety switch actuator." The original application ... information about US Fed News contract awards please ...
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