US Patent: 3,301,082
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| Ball Screw Mechanism
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Patentee:
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| Joseph W. Kosinski (exact or similar names) - Riverside, Cook County, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 16, 1964 |
| Granted: |
Jan. 31, 1967 |
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Joel Havens
"Vintage Machinery" entry for Scully-Jones & Co.
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Description: |
| Claim:
A ball screw mechanism comprising, in combination a first member comprising a ball screw, a second member comprising a ball nut surrounding said ball screw, said first and second members having mating helical grooves to define helical passages therebetween for trains of balls for interconnecting said first and second members, a longitudinal slot in one of said first and second members disposed to face the other of said members and interrupt said helical passages, and a plurality of individual ball return inserts mounted in said longitudinal slot, said 'ball return inserts having complementary 'groove portions formed in opposite sides thereof and said inserts being arranged side-by-side in said slot whereby complementary groove portions in adjacent inserts will cooperate to define a crossover passage to connect opposite ends of a corresponding helical passage to provide a closed circuit for a train of balls. |
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