US Patent: 1,362,800
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Collapsible tap
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Patentee:
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Peter Jardine (exact or similar names) - Hespeler, ON Canada |
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Patent Dates:
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Applied: |
Oct. 30, 1919 |
Granted: |
Dec. 21, 1920 |
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Jeff Joslin Vintage Machinery entry for A. B. Jardine Co.
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Description: |
This patent complements 1,362,799. Where that patent covers the case where the tool is stationary and the work rotates, this patent covers a rotating tool and stationary work-piece. |
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