US Patent: 910,937 - Multiple-spindle index-center


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US Patent: 910,937

Multiple-spindle index-center

Patentee:

Ernest P. Miller (exact or similar names) - Greenfield, MA

USPTO Classifications:

269/152, 269/246, 269/262, 269/267, 269/285, 269/60, 269/61, 409/221

Tool Categories:

metalworking machines : milling machines : milling machine accessories

Assignees:

None

Manufacturer:

Miller & Crowningshield - Greenfield, MA

Witnesses:

George Pierce

Francis K. Crowningshield

Patent Dates:
Applied:	Jun. 11, 1907
Granted:	Jan. 26, 1909

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Miller & Crowningshield, Inc.

Description:

This "index center" fixture holds multiple small cylindrical workpieces and allows them to be simultaneously rotated. It is intended for use on a milling machine.