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Class 30/104 - Eccentrically pivoted


Subclass of Class 30 - Cutlery
Definition: Cutters in which the cutter element is pivoted eccentrically
No. of patents: 3
Last issue date: 12/29/1992


NumberTitleIssue Date
5174027Arrangement in a grass trimmer
The cutting height of a grass trimmer is determined by the location of an eyelet (19) through which the cutting thread (16) extends from the coil (15) of the trimmer. According to the invention the eyelet is provided in an insert (21) accommodated in a ho...
12/29/1992
4165784Casing perforator
The present invention involves a tool for connection to a conventional drill string and operation therewith for punching holes in a standard casing located within a well bore to pass water or gas therethrough for recovery at the well bore surface, the inv...
08/28/1979
4033229Tool for enlarging the bore in a workpiece
For enlarging the bore in a workpiece, the present invention provides a collar that can be secured to the workpiece with a plate rotatably mounted on the collar. A handle supports a housing in which a cutting tool is rotatably positioned. The cutting tool...
07/05/1977
 
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