US Patent: 3,752,202
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| Hand Fastener Driving Tool
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Patentee:
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| Harry F. Condon (exact or similar names) - Hillsdale, MI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 22, 1972 |
| Granted: |
Aug. 14, 1973 |
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Stan Schulz
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Description: |
| Max Dressler, Marshall W. Sutker, et al. - patent attorneys
Abstract
A hand driving tool, such as a screwdriver, comprising a torque magnifying handle and a headed bit. The handle defines a longitudinal bore to recieve the head of the headed bit. The bore is specially configured to minimize mechanical binding forces and to eliminate suctional resistance to bit removal without requiring the perforation of the head end of the handle.
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