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Class Information
Number: 408/133
Name: Cutting by use of rotating axially moving tool > Means to drive tool > Including means to move tool along tool-axis > With clutch means > Including plural speed drive
Description: Device including an input means connected to a remote source of power and an output means adapted to transmit power from that source to the tool, wherein the drive means includes provision to change the velocity of the output means without a corresponding change in velocity of the input means.

Patents under this class:

Patent Number Title Of Patent Date Issued
7290964 Drilling/tapping/unscrewing apparatus Nov. 6, 2007
6438813 Rotary drive with a speed Aug. 27, 2002
4789274 Boring apparatus Dec. 6, 1988
4757598 Two speed transmission for power driven threading machine Jul. 19, 1988
4710071 Family of electric drills and two-speed gear box therefor Dec. 1, 1987
4701082 Multipurpose machining unit Oct. 20, 1987
4641551 Apparatus for translating rotational motion and torque Feb. 10, 1987
4123192 Tapping attachment for a machine tool Oct. 31, 1978
4083646 Positive feed drill with rapid advance Apr. 11, 1978
4008647 Machine tools Feb. 22, 1977

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