US Patent: 295,904
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Tap Wrench
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Patentee:
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Merritt S. Brooks (exact or similar names) - Chester, CT |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Jan. 30, 1884 |
Granted: |
Apr. 01, 1884 |
Patent Pictures:
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Merritt S. Brooks patent April 1, 1884 |
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Stan Schulz
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Description: |
Staggered set screws at right angles provide adjustable grips on two sides of a square bore. One screw's face covers the full width of the bore; the other screw only partially covers the width of the bore. |
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