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US 7,530,771 B2Granted
Non-ferrous bit for use with a magnetic chuck
OwnerBurton Kozakinventor
Life of this patent
Estimating the term…
Abstract
A device that allows the use of tool- and drill-bits in conjunction with a magnetic chuck comprises ferromagnetic material or a permanent magnet that is attached to the bit.
Claims18
A tool bit for association with a magnetic tool chuck, the tool bit comprising:
- a first region constructed from a non-ferrous material and the first region having a portion with a cross section;
- a second region constructed, at least in part, from a ferrous material for magnetic cooperation with the magnetic tool chuck and the second region having an inner surface with a cross section configured complementary to the cross section of the portion of the first region;
- wherein the second region receives the first region;
- and,
- wherein the cross section of the portion of the first region and the cross section of the inner surface of the second region are hexagonal.
2 more elements
A tool bit for association with a magnetic tool chuck, the tool bit comprising:
- a first region constructed from a non-ferrous material and the first region having a portion with a cross section;
- a second region constructed, at least in part, from a ferrous material for magnetic cooperation with the magnetic tool chuck and the second region having an inner surface with a cross section configured complementary to the cross section of the portion of the first region;
- wherein the second region receives the first region;
- and, wherein the cross section of the portion of the first region and the cross section of the inner surface of the second region are threaded.
1 more element
A tool bit for association with a magnetic tool chuck, the tool bit comprising:
- a first region constructed from a non-ferrous material and the first region having a portion with a cross section;
- a second region constructed, at least in part, from a ferrous material for magnetic cooperation with the magnetic tool chuck and the second region having an outer surface with a cross section configured complementary to the cross section of the portion of the first region;
- wherein the first region receives the second region;
- and, wherein the first region further comprises a threaded bore and the second region further comprises a head with a threaded shank configured complimentary to the threaded bore.
1 more element
Dependencies are inferred from the claim text.