Work holders – Holder mounted for movement – Means for position lock
Patent
1984-07-02
1986-02-25
Watson, Robert C.
Work holders
Holder mounted for movement
Means for position lock
B23Q 112
Patent
active
045724920
ABSTRACT:
An XYZ vise comprises a spherical body having a permanent magnet accommodated therein, a reference plate mounted on the body to be rotatable about the x- and y-axes, and a vise unit mounted on the reference plate to be rotatable about the z-axis. The spherical body comprises a pair of hemispherical members which can be selectively magnetized or demagnetized by rotating the permanent magnet. When the hemispherical members are demagnetized a workpiece clamped by the vise unit can be angularly positioned with respect to all of the x-, y- and z-axes and when they are magnetized the workpiece can be securely held in the set position.
REFERENCES:
patent: 2796788 (1957-06-01), Bohn
patent: 3428305 (1969-02-01), Bohn
patent: 3815892 (1979-06-01), Tulk
patent: 4251791 (1981-02-01), Yanagisawa et al.
patent: 4329673 (1982-05-01), Uchikune et al.
Sansin Kiko Co. Ltd.
Watson Robert C.
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