Geometrical instruments – Area integrators – Electrical
Patent
1984-02-03
1985-11-19
Haroian, Harry N.
Geometrical instruments
Area integrators
Electrical
33549, G01B 300
Patent
active
045533342
ABSTRACT:
A universal dowel pin system (10) for properly aligning any one of a plurality of workpiece fixtures (12) relative to a machine tool table (14) comprises a dowel pin (20) which has a square-shaped base section (22) adapted to be dimensionally customized so that the width dimension thereof is substantially the same as the width dimension of the space defined between the sidewalls (18) of the machine tool table T-slot (16), while the upper pin section (24) of the dowel pin (20) has a diametrical dimension which is substantially the same as the uniform or standardized diametrical dimension of a bore (30) which may be defined within an insert (28) or directly defined within the particular workpiece fixture (12). In this manner, as all of the different workpiece fixtures (12) all have the same standardized bore (30), and the pin section (24) of each dowel pin (20) has the same dimensional value for mating with the standardized bore (30), once a particular machine tool table (14) is provided with its particular dowel pin (20), the machine tool table (14) may be universally utilized in connection with a plurality of different workpiece fixtures (12). The bottom sections (22) of the dowel pins (20) will all have customized dimensions to match those of the particular machine tool table T-slots (16), but all upper sections (24) of all the dowel pins (20) will have the same dimension whereby a plurality of machine tool tables (14) will individually universally mate with a plurality of different workpiece fixtures (12).
REFERENCES:
patent: 2707419 (1955-05-01), Schron
patent: 3770261 (1973-11-01), Anderson
patent: 3785634 (1974-01-01), Denker
patent: 3942780 (1976-03-01), Clement
patent: 4121817 (1978-10-01), Pavlovsky
patent: 4191366 (1980-03-01), Rabin
patent: 4286778 (1981-09-01), Fullmeyer
Abeles Daniel C.
Haroian Harry N.
Westinghouse Electric Corp.
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