US Patent: 1,106,574 - Lifting and stopping device


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US Patent: 1,106,574

Lifting and stopping device

Patentee:

Bruno Edward Marshall (exact or similar names) - Williams, AZ

USPTO Classifications:

451/20, 451/331

Tool Categories:

metalworking machines : grinders : sharpening machines

Assignees:

Bruno Edward Marshall - Williams, AZ

Frank A. Baldwin - Grand Rapids, MI

Victor M. Tuthill - Grand Rapids, MI

Manufacturer:

Baldwin, Tuthill & Bolton - Grand Rapids, MI

Witnesses:

John S. Campbell

E. W. Carlson

Patent Dates:
Applied:	Sep. 22, 1913
Granted:	Aug. 11, 1914

Patent Pictures:

USPTO (New site tip)
Google Patents
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Vintage Machinery entry for Baldwin, Tuthill & Bolton

Description:

Improvement to knife grinding machines "which will stop the feeding mechanism of the machine after it has traveled a predetermined distance..."

This patent number is given in the 1914 Baldwin, Tuthill & Bolton catalog, an optional extra for their "B. T. & B. Cup Wheel and Straight Wheel Knife Grinding Machines". A picture on page 159 shows the "Marshall Automatic Stop for Predetermining and Equalizing the Grind. Patent Applied For."