US Patent: 3,212,649
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| Machine for Performing Work
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Patentees:
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| Harry T. Johnson (exact or similar names) - Glenview, Cook County, IL |
| Veljko Milenkovic (exact or similar names) - Chicago, Cook County, IL |
| John Walter (exact or similar names) - Evergreen Park, Cook County, IL |
| USPTO Classifications: |
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414/618, 414/744.6, 74/110, 901/17, 901/21, 901/22, 901/25, 901/29, 901/37, 901/4, 901/49
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| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 15, 1960 |
| Granted: |
Oct. 19, 1965 |
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Joel Havens
"Vintage Machinery" entry for American Machine & Foundry Co. (AMF)
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Description: |
| Claim:
A machine of the type described, comprising a base, a column mounted thereon for rotary movement about a vertical axis, a horizontal arm mounted on said column for vertical movement therealong and for movement along a horizontal axis perpendicular to said vertical axis, a wrist member mounted at an end of said arm for rotary movement about said horizontal axis and for swinging about a central vertical axis perpendicular thereto, a work manipulating member mounted on said wrist member for engaging and handling a work piece, a first hydraulic actuator including means coupled to said column for reciprocally rotating said column, a second hydraulic actuator including means coupled to said arm for raising and lowering said arm, a third hydraulic actuator including means coupled to said arm for reciprocally moving said arm along said horizontal axis, a fourth hydraulic actuator including means coupled to said wrist member for rotating said wrist member, a fifth hydraulic actuator including means coupled to said wrist member for swinging said wrist member, a sixth hydraulic member for operating said work manipulating member, a source of fluid under pressure, manipulating member, a source of fluid under pressure, conduit means connecting said source to each of said hydraulic actuators, servo-valve means associated with each of said actuators for controlling the flow of fluid thereto and electrical control means for operating said valve means separately or in combination. |
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