Actuator

Details Actuator Actuator

2008-07-08

2008-07-08

Masih, Karen (Department: 2837)

Electricity: motive power systems

Motor-reversing

C310S112000, C310S080000

Reexamination Certificate

active

07397209

ABSTRACT:
An actuator includes a cylinder, a piston that is disposed in the cylinder and moves by supply and exhaust of working oil to and from the cylinder, a movable rod that is connected to the piston, a screw shaft, at least a part of which is inserted into the movable rod, a nut that is threaded to the screw shaft and moves integrally with the piston, and an electric motor that rotates the screw shaft forward or backward.

REFERENCES:
patent: 2005/0269887 (2005-12-01), Blanding et al.
patent: 11-272332 (1999-10-01), None

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