Linear actuator

Details Linear actuator Linear actuator

2005-10-11

2005-10-11

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C400S283000, C400S701000, C347S030000, C347S034000, C347S037000

Reexamination Certificate

active

06954023

ABSTRACT:
In order to provide a linear actuator which is capable of solving deposition of deposit due to a long-time use and preventing malfunction, the linear actuator has a driving shaft3which reciprocates or expands and contracts to its axial direction, a slider4which is frictionally engaged with the driving shaft so as to be movable along the driving shaft, and driving controller for controlling a motion of the driving shaft so that the slider moves to an arbitrary moving direction. The driving controller has a self-maintenance mode for advancing N2and retreating N1the slider4alternatively, and making an advancing amount and a retreating amount different, controlling the driving shaft3so as to entirely move the slider4to any one of the directions.

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patent: 2001341827 (2001-12-01), None
patent: 2004172961 (2004-06-01), None

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