US Patent: 1,797,730
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| Socket Attachment for Tools
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Patentee:
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| Edward M. Pfauser (exact or similar names) - Milwaukee, WI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 20, 1929 |
| Granted: |
Mar. 24, 1931 |
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Patent Pictures:
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Edward M. Pfauser patent March 12, 1931 |
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Stan Schulz
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Description: |
| Small set screw which would screw out to firmly attach a socket to the shank. The corresponding socket would have a hole to access the set screw.
Some BLACKHAWK Lock-On sockets included exterior set screws as shown in Fig. 3 of this patent, but were designed to fit square drive studs.
Alloy Artifacts does not include this patent in the list of patents related to development of BLACKHAWS's Lock-On line of sockets. |
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