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US Patent: 1,058,720
Cross Rail Securing Device for Machine Tools
Patentee:
Edward P. Bullard, Jr. (exact or similar names) - Bridgeport, Fairfield County, CT

USPTO Classifications:
409/337, 409/900.2, 82/122

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

Assignees:
Bullard Machine Tool Co. - Bridgeport, Fairfield County, CT

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 03, 1911
Granted: Apr. 15, 1913

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Bullard Machine Tool Co.
Description:
Claim:

In a machine tool of the class described the combination with a base, of a column comprising side portions having vertically arranged ways on their faces and a concave cross portion having a vertically and centrally arranged slot therein, a cross rail ad. justably secured to the ways of the side portions of the column and having an enlargement on its rear side intermediate ot the faces of the side columns, a bolt carried in an extension of the enlargement and adapted to engage the slot ot the cross portion and designed to be clamped in different positions with the vertical adjustment of the rall.

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