Linear actuator with moving central coil and permanent side magnets
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United States of America Patent
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Aug 29, 2017
Issued Date -
N/A
app pub date -
Jun 25, 2013
filing date -
Jun 25, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A linear actuator, comprising a base housing, a top housing, and a piston assembly. The base housing may include at least one recess configured to restrain at least one magnet in three dimensions and a channel configured to receive a linear guide. The top housing may be fixedly attached to the base housing and may include at least one recess configured to restrain another at least one magnet in three dimensions. The piston assembly may include at least one coil bobbin, a shaft, a linear encoder scale, and a flex cable, wherein the piston assembly may be positioned between the base housing and the top housing.
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