Manipulator apparatus for test head support and orientation
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United States of America Patent
Stats
-
Nov 27, 1990
Grant Date -
N/A
app pub date -
Sep 9, 1988
filing date -
Sep 17, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A manipulator apparatus for supporting and orienting the test head (11) of an automatic test equipment. A column assembly (14) has a sheath (26) which moves vertically and which is connected via a cable to a manually adjustable counterbalancing device (41) for supporting the weight of the test head (11). A ring (54) is mounted for rotation on the sheath (26) with a side portion (63) slidably receiving an arm (64). A block (81) is mounted for rotation about a vertical axis (theta-z) at the end of arm (64). A frame (90) is mounted in block (81) to rotate about a horizontal axis (theta-x), the test head having a radially extending arm (12) mounted for rotation about an additional axis (theta-y). The a frame (90) contains a circular disk (100) which supports the test head (11), and rollers (97) to support and center the disk. The block (81) and frame (90) are adjustably attached to each other to prevent the head (11) from tilting about horizontal axis (theta-x).
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Cited Art Landscape
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