Vibration type linear actuator

Details Vibration type linear actuator Vibration type linear actuator

2006-01-31

2006-01-31

Bastianelli, John (Department: 3751)

Valves and valve actuation

Limit stop

C310S012060, C030S043000

Reexamination Certificate

active

06991217

ABSTRACT:
In an oscillation type linear actuator for reciprocally moving a plurality of moving members held in parallel with each other in a predetermined direction owing to electromagnetic action between a stator and them, two moving members reciprocally moving in opposite phases with each other are coupled by a coupling member having spring function, and a non-displacing portion of a plate spring portion of the coupling member which is not displaced substantially is restricted by a stopper. Even when an external force is applied to one of two moving members reciprocally moving in the opposite phases each other, motion of the other moving member is transmitted to the moving member via the coupling member, so that reduction of amplitude of the moving member to which the external force is applied can be restricted, and a balance of amplitudes of two moving members is maintained.

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English Language Abstract of JP 11-285226.
English Language Abstract of JP 8-318061.
English Language Abstract of JP 11-136921.

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