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GB Patent: GB-191,118,612
Improvements in boring, grinding and the like machine tools
Patentee:
Charles William Bate Crossley - Manchester, England

USPTO Classifications:

Tool Categories:
metalworking machines : drilling and boring : boring bars
metalworking tools : boring bars

Assignees:
None

Manufacturer:
Crossley & Co. - Manchester, England

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 17, 1911
Granted: Apr. 18, 1912

Patent Pictures:
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"Vintage Machinery" entry for Crossley & Co.
Description:
"Round holes, enlarging and trueing. - A boring, grinding, or like machine tool comprises a grinding-bar b attached to a rotating machine spindle; disposed in this bar is an eccentric sleeve g containing a grinding-spindle driven at the end i. The eccentric sleeve is angularly adjusted by means of a screw h to determine the radial position of the grinding-wheel f with respect to the bar."

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