Material or article handling – Elevator or hoist and loading or unloading means therefor – Return – buffer – or counterweight feature
Patent
1985-06-05
1986-05-13
Siemens, Terrance L.
Material or article handling
Elevator or hoist and loading or unloading means therefor
Return, buffer, or counterweight feature
324158F, 414744A, 414590, 269 71, B25J 112
Patent
active
045883467
ABSTRACT:
A system for positioning an electronic test head of a test system with respect to an electronic device handler. A housing is provided having a vertical shaft. A positioner assembly moves vertically with respect to the shaft and provides substantial movement in the horizontal plane with six degrees of freedom. The positioner assembly includes a section for attaching the test head. A counterbalancing assembly is coupled to the positioner assembly and has a counterweight to provide a substantially weightless condition to the positioner assembly with the test head attached.
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Universal Manipulator #UM 4000 Brochures by Reid Ashman Manufacturing, Inc.
IBM 7535 Manufacturing System Brochure.
IBM 7540 Manufacturing System Borchure.
IBM 7565 Manufacturing System Brochure.
inTEST Corporation
Siemens Terrance L.
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