US Patent: 594,399
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Wrench
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Patentee:
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John A. Hill (exact or similar names) - Leechburg, PA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Feb. 16, 1897 |
Granted: |
Nov. 30, 1897 |
Patent Pictures:
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John A. Hill patent November 30, 1897 |
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Stan Schulz
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Description: |
A swinging rack bar attached to the fixed jaw of the monkey wrench engages rack teeth on the movable jaw to hold the adjustment. A notched rotating collar on the handle ferule serves to latch the rack bar in place. |
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