Chucks or sockets – With centering means
Patent
1999-04-01
2000-03-14
Bishop, Steven C.
Chucks or sockets
With centering means
219 6915, 403 13, 403354, 409234, B23H 104
Patent
active
060361980
ABSTRACT:
A coupling for attaching a tool to a chuck includes a steel body substantially in the shape of a rectangular prism. The body includes an electrode end for attachment to an electric discharge machine electrode. The body also includes a chuck end opposite the electrode end for releasable attachment to a chuck mounted to an electric discharge machine, the chuck having four protrusions extending therefrom for alignment of the coupling relative to the chuck. The chuck end defines a substantially planar surface and four substantially rectangular channels for receiving the protrusions. The channels extend into the body from the surface and are arranged in a substantially X-shaped pattern. Each channel includes two outwardly elastically moveable side walls. Each channel also includes an slot adjacent and parallel to each side wall for enabling outward movement of the side wall. Each slot extends into the body from the surface.
REFERENCES:
patent: 4621960 (1986-11-01), Tollner
patent: 4855558 (1989-08-01), Ramsbro
patent: 5634757 (1997-06-01), Schanz
patent: 5791803 (1998-08-01), Nordquist
patent: 5906378 (1999-05-01), Nordquist
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