US Patent: 145,488 - Grinding Machines


	Home\| FAQ	Search:Advanced\|Person\|Company\| Type\|Class	Login


Quick search:	Patent number:	Patent Date:

US Patent: 145,488

Grinding Machines

Patentee:

Perley D. Cummings (exact or similar names) - Portland, ME

USPTO Classifications:

408/72R, 82/150

Tool Categories:

metalworking machines : grinders

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

William Henry Clifford

C. F. Washburn

Frank H. Jordan

Edwin W. Haskett

Patent Dates:
Applied:	Aug. 25, 1873
Granted:	Dec. 16, 1873

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens

Description:

The object of my invention is to produce a machine for grinding tools, iron, wood, and other substances. It consists of a rim or annulose wheel rotating upon a proper shaft, in combination with supports or brackets and an outer rim or band. It also consists of the combination of the rim-wheel with an inner bed or table.