COMPACT LINEAR ACTUATOR AND METHOD OF MAKING SAME
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United States of America Patent
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Issued Date -
Mar 5, 2009
app pub date -
Aug 1, 2008
filing date -
Aug 1, 2007
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Abandoned
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Abstract
This invention describes a compact linear moving coil actuator that incorporates a piston bobbin coil assembly that provides a shaft with linear reciprocal movement. Optionally, a rotary motor can be coupled to the shaft to provide rotary reciprocal movement. The piston and bobbin sections of the piston bobbin coil assembly may be integrally formed as a single unitary piece and easily changed in size and/or configuration during manufacture to enable easier and more cost-effective assembly of various actuator sizes and configurations. Additionally, the compact size of the actuator requires less work space and also allows multiple actuators to be positioned next to each for various applications.
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