Invention Grant
- Patent Title: Portable rapid and quiet drill
- Patent Title (中): 便携式快速安静的钻孔
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Application No.: US11756819Application Date: 2007-06-01
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Publication No.: US07824247B1Publication Date: 2010-11-02
- Inventor: Yoseph Bar-Cohen , Mireca Badescu , Xiaoqi Bao , Zenshea Chang , Stewart Sherrit
- Applicant: Yoseph Bar-Cohen , Mireca Badescu , Xiaoqi Bao , Zenshea Chang , Stewart Sherrit
- Applicant Address: US DC Washington
- Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
- Current Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
- Current Assignee Address: US DC Washington
- Agent Mark Homer
- Main IPC: H02N2/00
- IPC: H02N2/00 ; E21B3/00 ; B24B23/03
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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