Chucks or sockets – Socket type – Obliquely guided reciprocating jaws
Patent
1985-05-21
1987-04-07
Bilinsky, Z. R.
Chucks or sockets
Socket type
Obliquely guided reciprocating jaws
279 1K, 279 60, B23B 3112
Patent
active
046554645
ABSTRACT:
In a drill chuck for securing the shank of a tool in a hand-held device, clamping jaws are mounted in a chuck member and bear radially outwardly against the conically shaped surface in a first sleeve into which the tool shank is inserted. A second sleeve is connected to the first sleeve and is threaded engagement with the chuck member. A locking or third sleeve is located about the first and second sleeves. The third sleeve is axially displaceable between a first position and a second position. In the first position the third sleeve engages the first and second sleeves so that the second sleeve cannot be rotated relative to the first sleeve or the chuck member and the tool shank can be locked by the clamping jaws. When the third sleeve is displaced into the second position, the second sleeve is released and can be rotated relative to the chuck member for axially displacing the first sleeve relative to the chuck member and adjusting the radial position of the clamping jaws.
REFERENCES:
patent: 3677657 (1972-07-01), Brucker
patent: 4083571 (1978-04-01), Schadlish et al.
patent: 4213622 (1980-07-01), Rohm
patent: 4213623 (1980-07-01), Rohm
patent: 4266789 (1981-05-01), Wahl et al.
patent: 4395170 (1983-07-01), Clarey
patent: 4418927 (1983-12-01), Rohm
patent: 4563013 (1986-01-01), Hunger et al.
Gartner Karl-Heinz
Hunger Josef
Manschitz Erwin
Moser Hans-Karl
Mundle Jurgen
Bilinsky Z. R.
Dougas A.
Hilti Aktiengesellschaft
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