Chucks or sockets – By centrifugal force – To grip tool or workpiece
Patent
1996-06-20
1998-10-13
Bishop, Steven C.
Chucks or sockets
By centrifugal force
To grip tool or workpiece
279 22, 279 464, 279 54, 279 75, B23B 3114
Patent
active
058201351
ABSTRACT:
The chuck includes a body with an axial recess and a transverse opening intersecting the recess. First and second cam members are disposed at least partially within the transverse opening and have first and second passages, respectively, which squeeze a cylindrical, slitted inner sleeve that holds the tool shank during rotation of the chuck. The inner sleeve is spring-biased for axial movement relative to the body and has a tapered upper end that is compressed when engaging a tapered retainer sleeve and thereby retains the tool shank during nonrotation of the chuck.
An outer sleeve including comolded inner and outer shells, is configured and disposed to move axially about the body. A remote actuating member effects axial movement of the outer sleeve and inner sleeves to permit insertion or withdrawal of the tool shank from the chuck.
An engagement mechanism connects the chuck to a drive spindle and also has a mounting mechanism for facilitating automated mounting of the chuck to a drive spindle.
REFERENCES:
patent: 2926020 (1960-02-01), Dayton et al.
patent: 3411796 (1968-11-01), Decker
patent: 3467404 (1969-09-01), Sloan
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patent: 3573876 (1971-04-01), Powell
patent: 3692319 (1972-09-01), Taylor
patent: 3709508 (1973-01-01), Dudley
patent: 3837661 (1974-09-01), Phillippi
patent: 4017203 (1977-04-01), Marantette et al.
patent: 4946179 (1990-08-01), De Bastiani et al.
patent: 5193824 (1993-03-01), Salpaka
patent: 5464229 (1995-11-01), Salpaka
Han Erik G.
Kanaan Roger J.
Bishop Steven C.
Power Tool Holders Incorporated
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