Chucks or sockets – Socket type – Shouldered-tang holding
Patent
1980-01-31
1981-11-03
Bilinsky, Z. R.
Chucks or sockets
Socket type
Shouldered-tang holding
279 1E, 409234, B23B 3106, B23B 3144, B23C 526
Patent
active
042982081
ABSTRACT:
A spring actuated chuck wherein a slotted flange, tapered shank tool adapter is clamped to a holder by a spring actuated clamping and ejecting nut assembly which includes a nut having threaded engagement with the holder, a clamping ring rotatably adjustably secured to the nut having clamping lugs to engage the flange of the adapter to clamp the adapter to the holder, an ejector axially retained in the nut and non-rotatably axially slidably engaged with the holder to engage the flange of the adapter thus to release the adapter from the holder, and a latch member extending axially from the holder and engaged with the clamping ring operative upon movement by the flange of the adapter to release the nut assembly for spring actuated clamping movement. Release of the adapter is effected by rotation of the nut in the opposite direction against spring pressure for engagement of the ejector with the flange of the adapter and for re-engagement of the latch member with the clamping ring. The spring actuated chuck herein is further characterized in that the threads of the nut and an annular chamber containing the nut actuating spring are isolated from fine chips and coolant when a tool mounted in the adapter is performing a cutting operation.
REFERENCES:
patent: 3380746 (1968-04-01), Benjamin et al.
patent: 3743307 (1973-07-01), Benjamin et al.
Benjamin Milton L.
Miles Wilbur N.
Bilinsky Z. R.
Erickson Tool Company
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