GB Patent: GB-185,902,904
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| Improvements in Screw Wrenches or Spanners, (etc.)
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Patentee:
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| James Ferrabee (exact or similar names) - Stroud, Gloucestershire, GB |
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Patent Dates:
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| Applied: |
Dec. 20, 1859 |
| Granted: |
Jun. 19, 1860 |
| Antedated: |
Dec. 20, 1859 |
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Patent Pictures:
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1 | 2
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British patent GB185902904 - selected portion edited |
Espacenet patent
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Stan Schulz
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Description: |
| The patent describes several alternatives for using a combination of adjusting worm and sliding wedge to hold adjustment of a movable wrench jaw, etc.
FERRABEE'S PATENT WEDGE SPANNER is noted in a list of exhibits at an 1862 "International Exhibition." No extant examples are known.
Note: Early British patents (pre 1916) were numbered by the year and started at patent #1 at the start of each year in January. The patent # used in DATAMP, ESPACENET, etc. represents the year of registration and the patent #, with "leading zeros" interposed to make the number total nine digits. This patent is #2,904 of the year 1859. |
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