US Patent: 172,240
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| Improvement in Monkey-Wrenches
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Patentee:
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| Elisha T. Barlow (exact or similar names) - San Francisco, CA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 08, 1876 |
| Granted: |
Jan. 11, 1876 |
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Patent Pictures:
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Elisha T. Barlow Pat. January 11, 1876 |
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Stan Schulz
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Description: |
| The adjusting mechanism is comprised of "T"-shaped binding plates carried in a recess in the movable jaw, combined with a sliding key which releases their binding action to allow the jaw to be adjusted. This complicated mechanism is enclosed in a cap.
This is the 2nd of 3 wrench patents granted to Barlow on this date. |
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