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Class 408/122.5 - Double-acting ratchet


Subclass of Class 408 - Cutting by use of rotating axially moving tool
Definition: Device including additional provision to cause the torque-supplying
No. of patents: 1
Last issue date: 10/26/1982


NumberTitleIssue Date
4355931Tapping drill
The tapping drill having a drive shaft driven with an alternating rotational movement, comprises, disposed between this drive shaft and the tool carrier, a ratchet mechanism capable, at will, of transforming the alternating rotational motion into a rotati... 		10/26/1982
 
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