Chucks or sockets – Radially reciprocating jaws – Jaws
Patent
1988-03-03
1989-01-10
Weidenfeld, Gil
Chucks or sockets
Radially reciprocating jaws
Jaws
269262, 279 1A, 279 1SJ, B23B 3116
Patent
active
047969008
ABSTRACT:
A workpiece holding assembly for use on a chuck includes a chuck jaw and an adjustable self-centering workpiece holder. The chuck jaw has an elongated body with opposite ends, a groove defined in one end of the body, and a pair of arcuate recesses formed in the one body end on opposite sides of the groove. The workpiece holder includes a shaft portion and a base portion attached about a midsection of the shaft portion such that the holder has an integral, one-piece construction. The shaft portion is of generally cylindrical shape adapted to extend into the arcuate recesses of the one chuck jaw body end. The base portion is of greater than semi-circular shape and adapted to extend into the groove of the one chuck jaw body end. The base portion also has a generally semi-circular closed slot defined therethrough adapted to receive at least one fastener therethrough being fastenable to the one chuck jaw body for releasably clamping the base portion in the groove. The shaft and base portions have a common central axis and a workpiece engaging notch defined therein extending generally parallel to the common central axis thereof. The base portion is rotatable in the groove and the shaft portion is rotatable in the recesses for adjusting the angular position of the shaft and base portions and thereby of the notch relative to the chuck jaw body end before clamping of the base portion in the groove thereof.
REFERENCES:
patent: 2690915 (1954-10-01), Pealer
patent: 2708118 (1955-05-01), Kuchenbrod
patent: 2896958 (1959-07-01), Strauss
patent: 3945654 (1976-03-01), McMullen
patent: 4270763 (1981-06-01), Rohm
patent: 4362306 (1982-12-01), Rohm
patent: 4706973 (1987-11-01), Covarrubia et al.
Gant Eugene
Spangler Richard
Bishop Stephen
Marzocco Ralph L.
Weidenfeld Gil
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