US Patent: 3,475,999
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| Rotating Handtool Mechanism
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Patentees:
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| Ronald W. Roberts (exact or similar names) - Dallas, TX |
| William M. Roberts (exact or similar names) - Piqua, OH |
| USPTO Classifications: |
| 81/63 |
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Patent Dates:
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| Applied: |
Dec. 20, 1967 |
| Granted: |
Nov. 04, 1969 |
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Patent Pictures:
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Patent 3,475,999 - edited image |
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Stan Schulz
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Description: |
| The device has a reversible ratchet with swinging handle, driving a socketed tool handle; the drawings shown a screwdriver bit fitting the socket. Items from Piqua, OH newspapers provide details of the tools' inspiration and production. Known examples have a square socket matching 3/8" standard socket drivers.
One of the patentees shows two addresses in Texas and Connecticut.
Reference patents cited include DE-499,786 and 1,601,767. |
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