US Patent: 1,258,089 - Automatic Machine-Tool


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US Patent: 1,258,089

Automatic Machine-Tool

Patentees:

William N. Stevens (exact or similar names) - Bridgeport, Fairfield County, CT

Edward Payson Bullard, Jr. (exact or similar names) - Bridgeport, Fairfield County, CT

USPTO Classifications:

29/38A

Tool Categories:

metalworking machines : drilling and boring : vertical boring mills

metalworking machines : drilling and boring : multiple spindle drilling heads

Assignees:

Bullard Machine Tool Co. - Bridgeport, Fairfield County, CT

Manufacturer:

Bullard Machine Tool Co. - Bridgeport, Fairfield County, CT

Witnesses:

Unknown

Patent Dates:
Applied:	Jan. 09, 1914
Granted:	Mar. 05, 1918

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:

In a multiple spindle machine, a rotary carrier having a step-by-step movement, a series of work-holding members supported on the carrier, a lesser number of tool-carrying heads arranged to be fed synchronously with the rotation of the work carry in members to which they are related, means or independently rotating the workcarrying-members, means for indexing the carrier, and an automatic controller unit for both of said means.