US Patent: 1,728,552
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| Wrench
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Patentees:
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| Alexander D. Kennedy (exact or similar names) - Chicago, IL |
| John A. Gillies (exact or similar names) - Dodge City, KS |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 04, 1927 |
| Granted: |
Sep. 17, 1929 |
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Patent Pictures:
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Alexander D. Kennedy & John A. Gillies patent Sept. 17, 1929 |
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Stan Schulz
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Description: |
| Torque wrench for railroad track bolts. The deflection of the main shank compared to a supplemental parallel frame actuates a pointer. The scale is attached to the main shank. Du-Wel was advertising the GILKEN TORSION WRENCH in 1929.
An improved torque indicating wrench described as improvement to this patent received patent 2,125,945. |
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