Rotary actuator

Details Rotary actuator Rotary actuator

2005-11-22

2005-11-22

Look, Edward K. (Department: 3745)

Expansible chamber devices

Rectilinearly moving working member and coaxial or parallel...

C092S033000

Reexamination Certificate

active

06966249

ABSTRACT:
A rotary actuator including a tube. A piston disposed in the tube and configured for displacement there along. The piston having a spline extending radially outwardly therefrom formed by plurality of grooves and a plurality of non-grooved portions. At least some of the non-grooved portions of the spume defining a passageway extending radially inwardly through a side of the piston. An axle rod disposed in the piston and having a second spline. A set of pins each positioned through a passageway through the piston to engage the second spline.

REFERENCES:
patent: 3165982 (1965-01-01), Taylor
patent: 4313367 (1982-02-01), Weyer
patent: 4519263 (1985-05-01), Milberger
patent: 5671652 (1997-09-01), Weyer
patent: 6474214 (2002-11-01), Takeuchi et al.
patent: 58030504 (1983-02-01), None
patent: P2001-0098535 (2001-11-01), None

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