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Class Information
Number: 408/9
Name: Cutting by use of rotating axially moving tool > With control means energized in response to activator stimulated by condition sensor > To control tool rotation
Description: Device provided with a mechanism to govern the angular velocity of the tool* about the tool-axis*.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7375361 |
Optical alignment device for machine tool |
May. 20, 2008 |
| 7367761 |
Tool, tool holder and machine tool |
May. 6, 2008 |
| 7270194 |
Drilling machine with pneumatic control |
Sep. 18, 2007 |
| 7264426 |
Apparatus and methods for servo-controlled manufacturing operations |
Sep. 4, 2007 |
| 7140818 |
Tool, tool holder, and machine tool |
Nov. 28, 2006 |
| 7048077 |
Drilling machine with pneumatic control |
May. 23, 2006 |
| 6910836 |
Impact driver for rotary tools |
Jun. 28, 2005 |
| 6874980 |
Controller for the electric motor of a high-speed spindle attachment used with computer-controlled milling machines |
Apr. 5, 2005 |
| 6859680 |
Numerical controlling unit having tool-breakage detecting function |
Feb. 22, 2005 |
| 6551033 |
Tapping apparatus and method |
Apr. 22, 2003 |
| 6476575 |
Method and system for adaptive control of turning operations |
Nov. 5, 2002 |
| 6474914 |
Tool-driving device, particularly for machine tools |
Nov. 5, 2002 |
| 6438446 |
Material directory-spindle speed and feed rate calculator |
Aug. 20, 2002 |
| 5954457 |
Hand-held device |
Sep. 21, 1999 |
| 5914882 |
Device for and method of preventing accidents in hand-operated machine tools due to tool jamming |
Jun. 22, 1999 |
| 5902077 |
Variable speed universal drilling tapping and reaming machine |
May. 11, 1999 |
| 5895177 |
Machine tool with fault detection |
Apr. 20, 1999 |
| 5879111 |
Hand-held device |
Mar. 9, 1999 |
| 5857814 |
Apparatus for controlling tapping-drilling machine |
Jan. 12, 1999 |
| 5654894 |
Gain changing control system for a threading apparatus |
Aug. 5, 1997 |
| 5584619 |
Method of and arrangement for preventing accidents during operation of a manually-operated machine tool with a rotatable toolbit |
Dec. 17, 1996 |
| 5558476 |
Dual-motor-driven drilling machine and method of controlling currents flowing in motors |
Sep. 24, 1996 |
| 5401124 |
Hand-held power tool with jamming-detection sensor |
Mar. 28, 1995 |
| 5352069 |
Method and apparatus for a numerically controlled tapping machine |
Oct. 4, 1994 |
| 5116168 |
Method and apparatus for controlling drilling operation |
May. 26, 1992 |
| 5093972 |
Tapping control unit |
Mar. 10, 1992 |
| 5087157 |
Electromagnetic base drill with intermittent feed |
Feb. 11, 1992 |
| 5032778 |
Apparatus for controlling operating stroke of reciprocating member, using encoder signal |
Jul. 16, 1991 |
| 5022798 |
Thrust-responsive two-speed drill and method of operation |
Jun. 11, 1991 |
| 5014793 |
Variable speed DC motor controller apparatus particularly adapted for control of portable-power tools |
May. 14, 1991 |
| 4998589 |
Variable speed drill control cam apparatus |
Mar. 12, 1991 |
| 4985841 |
Tapping control system |
Jan. 15, 1991 |
| 4878679 |
Variably operable hand-held device |
Nov. 7, 1989 |
| 4879660 |
Thread cutting machine with synchronized feed and rotation motors |
Nov. 7, 1989 |
| 4854786 |
Computer controlled automatic shift drill |
Aug. 8, 1989 |
| 4831364 |
Drilling machine |
May. 16, 1989 |
| 4830549 |
Hand-held device with tool sensing means |
May. 16, 1989 |
| 4822215 |
Thrust and torque sensitive drill |
Apr. 18, 1989 |
| 4820087 |
Tap drive unit for machine tools |
Apr. 11, 1989 |
| 4813821 |
Thread cutting machine |
Mar. 21, 1989 |
| 4808047 |
Variable speed motor tapping attachment |
Feb. 28, 1989 |
| 4745557 |
Machine tool control system |
May. 17, 1988 |
| 4726260 |
Shiftable transmission with assured input-output relationship |
Feb. 23, 1988 |
| 4723911 |
Intelligent dental drill |
Feb. 9, 1988 |
| 4720897 |
Automatic fastening machine with brushless electric motor for drill spindle drive |
Jan. 26, 1988 |
| 4692071 |
Thread cutting machine |
Sep. 8, 1987 |
| 4688970 |
Power drill and automatic control system therefore |
Aug. 25, 1987 |
| 4673318 |
Hand tool machine, in particular drilling machine |
Jun. 16, 1987 |
| 4671920 |
Method for maintenance of ice beds of ice condenser containment |
Jun. 9, 1987 |
| 4650375 |
Drill braking system |
Mar. 17, 1987 |
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