Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Patent
1992-07-15
1994-06-21
Donovan, Lincoln
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
With magneto-mechanical motive device
335231, H01F 708
Patent
active
053231333
ABSTRACT:
A device for making electrical connection to a reciprocating element, such as to a voice coil of an actuator. An electrical flow path utilizing the helical centering springs as a primary element in conducting current ensures reliable current flow to a reciprocating element and avoids high-speed flexing of brittle wires. Hard-wired connections are utilized only between stationary elements. A second double-coil actuator embodiment employs a coaxial, substantially co-extensive pair of springs as the input and return current flow paths for each actuator.
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Heath Michael C.
Quinn John J.
Donovan Lincoln
Lord Corporation
Thomson Richard K.
Wayland Randall S.
Wright James W.
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