GB Patent: GB-275,419
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| Improvements relating to boring and facing machines
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Patentee:
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| Harry Alfred Pearn (exact or similar names) - West Gorton, Manchester, England |
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Patent Dates:
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| Applied: |
Aug. 16, 1926 |
| Granted: |
Aug. 11, 1927 |
Espacenet patent
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Jeff Joslin
Vintage Machinery entry for Frank Pearn & Co., Ltd.
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Description: |
| "In boring and facing-machines of the kind in which a rotary facing head having a tool slide traversed thereon is adapted to be raised or lowered for adjusting the head or for milling-operations and in which the work-tables are provided with longitudinal and transverse traversing-motions, a gear box is combined with the rising and falling headstock and imparts feed motions to the facing tool slide, the work-tables and the rising and falling headstock..." |
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