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US20090297284 |
ADAPTIVE THRUST SENSOR DRILLING
A computer implemented method, apparatus, and computer usable program code for performing a drilling operation. The drilling apparatus comprises a housing, a spindle, a spindle motor, a thrust...
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US20090151968 |
Device for the High-Speed Drilling of Printed Circuit Boards
A device for the high-speed drilling of boards for printed circuits and the like comprising a support ( 2 ), a drill head ( 11 ) with associated mandrel ( 12 ), and a device for locking and driving...
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US20090129876 |
Multi-speed drill and transmission with low gear only clutch
A multi-speed drill includes a housing with a motor including an output member. A constant mesh parallel axis transmission can be disposed in the housing and can include a high speed and low speed...
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US20090074523 |
Deep-Hole Drilling Apparatus
A deep-hole drilling apparatus capable of preventing a tool mark from growing is provided. The deep-hole drilling apparatus provided for this purpose comprises: a tool ( 12 ) that is rotationally...
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US20090003950 |
Multi-Speed Drill and Chuck Assembly
A chuck assembly configured to provide a shorter longitudinal profile. The chuck assembly includes a chuck body with a support bearing mounted to a rear portion of the chuck body and mounted to a...
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