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US 9,849,573 B2Granted
Broken bolt extractor
OwnerMarvin Thomasinventor
Life of this patent
Estimating the term…
Abstract
A broken bolt extractor is disclosed having a counter clockwise cutting tip section for drilling a bore into a broken bolt, a tap section having counter clockwise orientated threads, an intermediate shaft section, a chuck end portion, and a channel formed in the tip section, the tap section, and the shaft section.
Claims20
A broken bolt extractor comprising:
- a counter clockwise cutting tip section for drilling a bore into a broken bolt;
- a tap section having counter clockwise orientated threads;
- an intermediate shaft section;
- a chuck end portion;
- and
- a channel formed in the tip section, the tap section, and the intermediate shaft section.
3 more elements
A broken bolt extractor comprising:
- a counter clockwise cutting tip section for drilling a bore into a broken bolt;
- a tap section having counter clockwise orientated threads;
- an intermediate shaft section;
- a chuck end portion;
- a first channel formed in the tip section, the tap section, and the intermediate shaft section;
- and
- a second channel formed in the tip section, the tap section, and the intermediate shaft section with the second channel formed in the extractor opposite to the first channel.
4 more elements
A broken bolt extractor comprising:
- a counter clockwise cutting tip section for drilling a bore into a broken bolt;
- a tap section having threads for tapping into a broken bolt with the threads being counter clockwise orientated;
- an intermediate shaft section;
- a chuck end portion for attachment to a tool for rotating the extractor;
- and
- a channel formed in the tip section, the tap section, and the intermediate shaft section, the channel spirals from the tip section, through the tap section, and ending in the intermediate shaft section, the channel for removing any debris from the tip section and the tap section.
3 more elements
Dependencies are inferred from the claim text.