US Patent: 1,429,866 - Drill press


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US Patent: 1,429,866

Drill press

Patentee:

James D. Gibbs (exact or similar names) - Louisville, KY

USPTO Classifications:

74/26

Tool Categories:

metalworking machines : drilling and boring : drill presses

woodworking machines : wood drilling and boring : drill presses

Assignees:

None

Manufacturer:

Gibbs General Machine Co. - Louisville, KY

Witnesses:

Unknown

Patent Dates:
Applied:	Jan. 29, 1921
Granted:	Sep. 19, 1922

Patent Pictures:

USPTO (New site tip)
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Vintage Machinery entry for Gibbs General Machine Co.

Description:

This patent was withdrawn and is not in the USPTO database. The information here is from the Gazette.

"1. A variable speed mechanism comprising two reversely placed multi-grooved cone wheels journaled on parallel axes, a member mounted to have reciprocating motion perpendicular to the said exes, a bracket arm slidably carried by said part and having a suitable operating handle, an idle wheel rotatably carried by said bracket arm, and adapted to engage the grooves of said cone wheels, and spring means acting on said slidable member to press the idle wheel towards the cone wheels."