US Patent: 1,493,165
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Screw Driver
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Patentee:
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Edmund A. Schade (exact or similar names) - New Britain, CT |
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Patent Dates:
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Applied: |
Oct. 30, 1922 |
Granted: |
May 06, 1924 |
Patent Pictures:
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USPTO (New site tip) Google Patents
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Steve Gosselin "Vintage Machinery" entry for The Stanley Works
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Description: |
This Patent relates to a less expensive way to reinforce the handle.Instead of forming the shank and blade after the handle, the blade and shank can formed then inserted into the handle a cap can be threaded on to the shaft after. The example does not have threads to attach the cap but it is forced on .Example marked with the TmBB trade mark, Hurwood, Made in USA Pat.1493165. |
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