Chucks or sockets – Socket type – Lost motion
Patent
1988-10-11
1990-09-11
Bilinsky, Z. R.
Chucks or sockets
Socket type
Lost motion
279 46R, 279 1Q, B23B 3120
Patent
active
049556223
ABSTRACT:
The stop apparatus fits into the bore of a collet and incorporates a sleeve which is expanded in diameter to lock the apparatus in place. The stop face is the end of a cylindrical rod which slides in a bore in the body of the apparatus and is held at a desired position by a set screw. The body is a body of revolution with a bore for accepting the rod and an outer surface comprising a flange at one end, a cylindrical portion, a threaded portion and a knurled portion at the other end. The flange has a conical surface facing the cylindrical portion. The cylindrical portion is surrounded by a split, resilient sleeve held in place by a nut threaded onto the threaded portion. The nut has a conical surface also facing the cylindrical portion. The conical surfaces engage chamfers at the ends of the internal surface of the sleeve so that turning the nut on the body toward and away from the flange causes the sleeve to expand or allows it to contract. The knurled portion is gripped to keep the body from turning when the nut is turned. The set screw is located in the knurled portion. A flange on the sleeve ensures that the adjusting nut remains accessible.
REFERENCES:
patent: 1582445 (1926-04-01), Border
patent: 2717128 (1955-09-01), Heizer
patent: 2922656 (1960-01-01), Belloli
patent: 3360276 (1967-12-01), Peffer
patent: 3615101 (1971-10-01), Oliver
Bilinsky Z. R.
Haggerty James A.
Hawkes Thomas E.
Schultz R.
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