Machine vise protractor

Details Machine vise protractor Machine vise protractor

1980-02-25

1982-02-16

Stearns, Richard R.

Geometrical instruments

Area integrators

Electrical

33185R, 269 81, G01B 356, G01B 524

Patent

active

043153739

ABSTRACT:
A machine vise protractor which can be installed onto and removed from the base of a machine vise while the vise is mounted on a table, to permit rotating the vise about a known center point to a desired angle. The protractor assembly is easy to make, can be adapted to a wide number of machine vises, and can be removed once the vise is properly located to keep the table uncluttered while the vise is clamped in place. The protractor can also be used with a plurality of vises for setting up several machine tools, or with several vises on the same machine tool without incurring the expense of separate protractors for each vise.

REFERENCES:
patent: 235469 (1880-12-01), Stephens
patent: 2538640 (1951-01-01), Click
patent: 3197197 (1965-07-01), Butin et al.
patent: 3785634 (1974-01-01), Denker
patent: 3958335 (1976-05-01), Arnold et al.

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