US Patent: 2,900,770 - Rotary work supporting and indexing apparatus


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US Patent: 2,900,770

Rotary work supporting and indexing apparatus

Patentee:

George R. Carlson (exact or similar names) - Birmingham, MI

USPTO Classifications:

29/38A, 451/239, 451/397, 451/401

Tool Categories:

specialty machines : polishing and buffing machinery

Assignees:

None

Manufacturer:

Acme Mfg. Co. (Michigan) - Detroit, MI

Witnesses:

Unknown

Patent Dates:
Applied:	Mar. 26, 1956
Granted:	Aug. 25, 1959

Patent Pictures:

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Vintage Machinery entry for Acme Mfg. Co. (Michigan)

Description:

Improvements to a polishing machine with rotary work table holding several workpieces that are advanced through a series of polishing steps. See the inventor's father's patent 2,166,461.