US Patent: 1,799,358
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Safety-catch mechanism
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Patentee:
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William C. De Roo (exact or similar names) - Cincinnati, OH |
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Patent Dates:
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Applied: |
Sep. 09, 1927 |
Granted: |
Apr. 07, 1931 |
USPTO (New site tip) Google Patents
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Jeff Joslin Vintage Machinery entry for Fosdick Machine Tool Co.
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Description: |
"An object of the invention is to provide a safety catch adapted to be carried by a rotatable nut which co-operates with a fixed elevating screw for raising and lowering a drill head, radial drill arm or similar part of a machine tool..." |
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