US Patent: 1,062,140
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| Ratchet Wrench
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Patentee:
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| Floyd Bisch (exact or similar names) - Philadelphia, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 30, 1912 |
| Granted: |
May 20, 1913 |
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Stan Schulz
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Description: |
| This patent is for a large-scale ratchet suitable for heavy construction such as connecting bolts for bridge trussses. The ratchet pawls are operated by gravity, or disengaged by hanging from a spring. Each pawl operates against a separate rack, and bears against the handle frame. The ratchet head turns on roller bearings, and has provision for inserts to fit various sizes of nuts. |
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