US Patent: 1,146,768 - Multiple Spindle Drill Head


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US Patent: 1,146,768

Multiple Spindle Drill Head

Patentee:

Edgar W. Cleveland (exact or similar names) - Richmond, Wayne County, IN

USPTO Classifications:

408/117, 408/46, 408/48

Tool Categories:

metalworking machines : drilling and boring : multiple spindle drilling heads

Assignees:

National Automatic Tool Co. - Richmond, Wayne County, IN

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Mar. 26, 1915
Granted:	Jul. 13, 1915

Patent Pictures:

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

Description:

Claim:

A multiple spindle drill head, comprising a hollow main drill head, arms adjustably mounted thereon, a supplemental plate carried by some of said arms, said plate being provided with holes for drill spindles, supplemental arms adjustably mounted on said supplemental plate, said supplemental arms and arms on the main drill head being provided with bearings for drill spindles.