Linear actuator with wear-resistant ceramic bushing

Details Linear actuator with wear-resistant ceramic bushing Linear actuator with wear-resistant ceramic bushing

2011-06-07

2011-06-07

Fenstermacher, David M (Department: 3656)

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

C074S089360, C074S089420, C074S441000, C074S424750, C384S907100

Reexamination Certificate

active

07954393

ABSTRACT:
An actuator in one embodiment includes a threaded shaft; a shaft engaging portion coupled to the threaded shaft, the shaft engaging portion being moveable in a direction parallel to an axis of the threaded shaft upon a relative rotation between the threaded shaft and the shaft engaging portion; and a ceramic bushing coupled to the shaft engaging portion, the bushing encircling the threaded shaft.

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Office Action Summary from U.S. Appl. No. 10/985,436 mailed on Feb. 8, 2008.
Notice of Allowance from U.S. Appl. No. 10/985,436 mailed on Jun. 25, 2008.

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