US Patent: 995,420 - Counterbalancing Device for Machine Tools


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US Patent: 995,420

Counterbalancing Device for Machine Tools

Patentee:

Stanley H. Bullard (exact or similar names) - Bridgeport, Fairfield County, CT

USPTO Classifications:

408/235

Tool Categories:

metalworking machines : metalworking machine mechanisms

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:	Jun. 13, 1911

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Bullard Machine Tool Co.

Description:

Claim:

The combination with suitable columns of a machine, a vertically adjustable cross rail, a saddle upon the rail and a slide mounted in the saddle, of guide wheels mounted upon each of said columns, cross rail, saddle and slide, a rope one end of which is fixed to the column and passed over the guide wheels on the rear side of the rail, then over the wheels of the saddle upon their end, next over the guide wheel of the slide and finally over another wheel upon the rail and wheel of the saddle and column, and a weight attached to the end of the rope and contained within the pocket of the column.