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US Patent: 926,957
Valve Truing Tool
Patentee:
Albert S. Noonan - Rome, NY

USPTO Classifications:
82/172

Tool Categories:
specialty tools : valve grinding tools

Assignees:
None

Manufacturer:
Noonan Tool and Machine Works - Rome, NY

Witnesses:
Jesse A. Holton
Edwin T. Luce
Robert J. Noonan
Edward E. Smith

Patent Dates:
Applied: Feb. 27, 1907
Granted: Jul. 06, 1909

Patent Pictures: [ 1 | 2 ]
Albert S. Noonan patent July 6, 1909
USPTO pdf tiff
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Description:
A rigid shaft with mounting points for an engine valve shank, and an adjustable cutter to true the working edge of the valve. The valve would have to be turned by a tool suited to the slot or holes provided in the valve head.

Marketed as Noonan's Valve Turning Tool.

For a similar design, see Frans O. Albertson patent no. 1,087,625.

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