Chucks or sockets – Socket type – Obliquely guided reciprocating jaws
Patent
1981-12-08
1984-06-26
Briggs, William R.
Chucks or sockets
Socket type
Obliquely guided reciprocating jaws
279 60, 279 61, B23B 3119
Patent
active
044562705
ABSTRACT:
A drill chuck consists of a two-piece housing, a two-piece insert and a cage for a plurality of jaws. The two pieces of the housing are threaded together. The rearward piece thereof is a fastening sleeve. The two pieces of the insert are in threaded driving engagement. The front piece is held against rotation and is only shifted axially in order to open or close the mouth formed by the jaws. The rearward piece of the insert is held against axial displacement and can be rotated by inserting a key through a bore of the housing from the rearward side thereof.
A drill can be clamped in the chuck and then the chuck with the clamped drill can be inserted in a driving shaft of a drilling machine.
REFERENCES:
patent: 914255 (1909-03-01), Farnham
patent: 2040517 (1936-05-01), Kopsch
patent: 2389536 (1945-11-01), Palmgreen
patent: 3528670 (1970-09-01), Wale
patent: 3599999 (1971-08-01), Schnizler
patent: 3719367 (1973-03-01), Baturka
patent: 3970323 (1976-07-01), Schnizler
patent: 4083571 (1978-04-01), Schadlich et al.
Zettl, Jr. Otto
Zettl, Sr. Otto
Briggs William R.
Meier Lawrence
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