US Patent: 1,075,710
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Set Screw Or The Like
BRISTO
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Patentee:
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| Dwight S. Goodwin (exact or similar names) - Waterbury, CT |
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Patent Dates:
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| Applied: |
Jan. 07, 1911 |
| Granted: |
Oct. 14, 1913 |
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Patent Pictures:
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Dwight S. Goodwin patent October 14, 1913 |
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Stan Schulz
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Description: |
| The patent covers the "dovetail" grooves in the recessed central socket of the set screw, and the corresponding splines on the wrench.
Introduced as the GOODWIN HOLLOW SETSCREW; produced as the BRISTO screw and matching wrenches. Contemporary ads note the screws could also be turned by a screwdriver with appropriate blade width. |
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