Work holders – Holder inserted within work aperture
Patent
1999-07-23
2000-12-26
Watson, Robert C.
Work holders
Holder inserted within work aperture
269 481, 269903, B23Q 100
Patent
active
061646342
ABSTRACT:
An adjustable tooling pin assembly for precisely positioning printed circuit boards having different diameter and spacing of tooling alignment holes with different series of boards. Two support bodies are positioned along a base at the approximate location of spaced tooling holes. One support body carries an upwardly extending tooling pin with a diameter smaller than the tooling hole. The other support body carries two upwardly extending, adjacent, thin tooling pins, one of which is fixed to the support body and the other fastened to a block slidable in a channel in the support body, to move the movable pin relative to the fixed pin. The board holes are placed over the pins, the support bodies are secured to the base with the outermost tooling pins engaging the outer hole edges. The movable pin is moved away from the adjacent fixed pin by rotating a threaded rod extending though the support block to move the movable pin into contact with the tool hole edge opposite the fixed pin edge. The movable pin is secured against further movement by a setscrew. Desired operations, such as placement of electronic components on the board, are conducted, then the board is removed. The board is removed and replaced by a series of boards having the same tooling holes for further operations.
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patent: 5785307 (1998-07-01), Chung
Harms Donn K.
Watson Robert C.
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