Chucks or sockets – Socket type – Self-grasping
Patent
1993-01-08
1994-05-31
Bishop, Steven C.
Chucks or sockets
Socket type
Self-grasping
279 76, 279 89, 279905, B23B 31107
Patent
active
053163230
ABSTRACT:
The tool holding cartridge is male and the second cartridge holding part is female and defines a cylindrical bore with diametrically opposed apertures near the forward face of the bore, the apertures carrying ball bearings, biased, so that a substantial portion of the ball bearing intersects and projects into the cylindrical bore. Those portions of the ball bearings that do so, act as a guide and locking means for the tool holding cartridge which has a cylindrical shaft which extends into a tool holding portion into which a tool may be anchored or secured, as may be required. The tool holding cartridge has, along the outer walls of the cylindrical portion thereof, near the proximate end of the cylindrical portion, a circumferential race that intersects with the proximate ends of two diametrically opposed axially oriented lead raceways defined in the outer perimeter of the cylindrical portion and that terminate at the outer shoulder and peripheral wall at distal end of the cylindrical portion.
REFERENCES:
patent: 2348380 (1944-05-01), Graham
patent: 4512692 (1985-04-01), Nielsen
patent: 4824298 (1989-04-01), Lippacher et al.
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