US Patent: 2,074,079
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| Torque Measuring Wrench
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Patentees:
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| Conrad Charles Bahr (exact or similar names) - New York, NY |
| George H. Pfefferie (exact or similar names) - Bradford, McKean County, PA |
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Patent Dates:
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| Applied: |
Jun. 12, 1935 |
| Granted: |
Mar. 16, 1937 |
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Patent Pictures:
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Conrad C. Bahr & George H. Pfefferie patent March 16, 1937 |
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Stan Schulz
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Description: |
| The selector and internal tripping lever work to shift the primary selector to "neutral" when the chosen differential between the primary and secondary levers is reached.
The specifications discuss the wrench's operation in context of high pressure pipeline joint couplings.
The patent number appears on the BONNEY No. 66 Torque Wrench. |
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