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US 4,309,133 AGranted
Ultra-adjust boring and milling system
OwnerMartin N. Hamiltoninventor
Life of this patent
Estimating the term…
Abstract
A tool having a shank, cartridges on the shank positioned by a screw having two externally threaded parts which engage two internally threaded sleeves which in turn engage threaded openings in the cartridges. One of the threaded openings being right-hand thread and the other opening being left-hand thread. Thus, the cartridges can be moved laterally together or individually by rotating the screw or any of the sleeves.
Claims5
A boring tool comprising a shank,
- said shank having a transversally disposed slot therein,
- a first cartridge and a second cartridge slidably supported in said slot,
- said first cartridge having a bore with a left-hand thread therein,
- said second cartridge having a bore with a right-hand thread therein,
- a first sleeve threadably received in said first cartridge and a second sleeve threadably received in said second cartridge,
- a screw having a first left hand threaded part engaging internal thread on said first sleeve and second part on said screw threadably engaging an internal thread on the second sleeve,
- said screw parts being fixed together whereby the cartridges can be moved laterally individually toward and away from each other by rotating said screw or by rotating either said sleeve and a locking screw extending through said shank engaging said screw for locking said screw in position.
4 more elements
Dependencies are inferred from the claim text.