Abrading – Machine – Reciprocating tool
Reexamination Certificate
2007-06-01
2010-11-02
Eley, Timothy V (Department: 3724)
Abrading
Machine
Reciprocating tool
C125S028000, C408S700000, C451S358000, C451S910000
Reexamination Certificate
active
07824247
ABSTRACT:
A hand-held drilling device, and method for drilling using the device, has a housing, a transducer within the housing, with the transducer effectively operating at ultrasonic frequencies, a rotating motor component within the housing and rigid cutting end-effector rotationally connected to the rotating motor component and vibrationally connected to the transducer. The hand-held drilling device of the present invention operates at a noise level of from about 50 decibels or less.
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Badescu Mireca
Bao Xiaoqi
Bar-Cohen Yoseph
Chang Zenshea
Sherrit Stewart
Eley Timothy V
Homer Mark
The United States of America as represented by the Administrator
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