GB Patent: GB-237,679
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| Improvements relating to grinding and like machines or attachments
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Patentee:
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| William Alfred Pearn (exact or similar names) - Rusholme, Manchester, England |
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Patent Dates:
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| Applied: |
May 21, 1924 |
| Granted: |
Aug. 06, 1925 |
Espacenet patent
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Jeff Joslin
"Vintage Machinery" entry for Frank Pearn & Co., Ltd.
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Description: |
| "A drilling-attachment for boring, facing, and like machines comprises a hollow spindle carrying a chuck and having thereon a pulley d. The hollow spindle runs en a spindle a bolted to the tool slide, b, and is driven by a belt e which passes round two pulleys f, g mounted on the headstock j. The belt also passes round a driven pulley m on the frame, and round a jockey-pulley carrying a weight o guided within a box p by keys and keyways. The headstock is adjustable up and down on the frame and the slide b is adjustable on the face-plate k to allow of operation on work of various dimensions." |
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