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GB Patent: GB-214,329
Improvements relating to boring, facing and like machines
Patentee:
William Alfred Pearn (exact or similar names) - Rusholme, Manchester, England

USPTO Classifications:

Tool Categories:
metalworking machines : drilling and boring : horizontal boring mills

Assignees:
Frank Pearn & Co., Ltd. - West Gorton, Manchester, England

Manufacturer:
Frank Pearn & Co., Ltd. - West Gorton, Manchester, England

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 18, 1923
Granted: Apr. 22, 1924

Patent Pictures:
Espacenet patent
Report data errors or omissions to steward Jeff Joslin
"Vintage Machinery" entry for Frank Pearn & Co., Ltd.
Description:
"Relates to metal boring, facing &c. machines of the type in which a mandrel carrying a face plate across which a tool slide may be traversed, is provided with a tool spindle capable of sliding and rotating within the mandrel and consists in the mode of mounting the tool spindle. The tool spindle b has feathered thereon a bush q forming a cone journal in the mandrel a. The bush is seated in a ring r which is feathered in the mandrel and which may be adjusted endwise to take up wear by a nut s in gear with a pinion t on a key actuated spindle u."

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