Work holders – Work-stop abutment – Vertically compressible abutment
Patent
1986-10-22
1988-05-03
Schmidt, Frederick R.
Work holders
Work-stop abutment
Vertically compressible abutment
269303, 269317, B23Q 318
Patent
active
047415231
ABSTRACT:
A positioning pin device comprises a bush having at least 3 radially bored holes with, a positioning pin extending axially within the bush. The pin is movable in its axial direction and a spring urges the positioning pin toward the upper side of the bush. At least 3 balls are respectively disposed inside the radial holes of the bush. Screws fitted in the bush respectively abut the balls at their tips to provide positioning adjustment.
REFERENCES:
patent: 3392761 (1968-07-01), Klein
patent: 3860229 (1975-01-01), Anderson
patent: 3894730 (1975-07-01), Reiter
Nishida Fumihiko
Sato Toshiaki
Dainippon Screen Mfg. Co,. Ltd.
Hartman Judy J.
Schmidt Frederick R.
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