Work holders – Holder mounted for movement – With plural means for changing holder positions
Patent
1988-11-25
1990-03-27
Watson, Robert C.
Work holders
Holder mounted for movement
With plural means for changing holder positions
B66F 300
Patent
active
049114182
ABSTRACT:
A work holder having substantially universal workpiece positioning capability having a base, a turret having first and second members pivotally connected and pivotally mounted on the base by a cooperating bearing on the base and first member, the turret being pivotal 360.degree. with respect to said base means in a first plane, the second member being pivotal in other planes normal to the first plane, a worktable on the second member for contacting a workpiece in a supporting position, and a first clamp mechanism on the second member for exerting retaining force in a direction substantially parallel to the first plane on a workpiece supported on the worktable.
REFERENCES:
patent: 2538640 (1951-01-01), Click
patent: 3148873 (1964-09-01), Chandler
patent: 4183511 (1980-01-01), Marek
patent: 4530492 (1985-07-01), Bork
patent: 4564178 (1986-01-01), Steffe
patent: 4729552 (1988-03-01), Pempek
Barker, J. B., AT&T Technical Digest, "Fixture for Holding Boards", No. 78, Jul. 1986.
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