US Patent: 3,333,487 - Valve guide reboring device


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US Patent: 3,333,487

Valve guide reboring device

Patentee:

John Parry (exact or similar names) - Orillia, ON Canada

USPTO Classifications:

408/80, 408/97, 409/175

Tool Categories:

trade specific : vehicle repairer : vehicle mechanic : valve and seat maintenance

Assignees:

None

Manufacturer:

Van Norman Machine Tool Co. - Springfield, MA

Ingenious Devices, Ltd. - Orillia, ON Canada

Witnesses:

Unknown

Patent Dates:
Applied:	Jan. 21, 1965
Granted:	Aug. 01, 1967

Patent Pictures:

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Vintage Machinery entry for Van Norman Machine Tool Co.

Description:

This valve reboring design was part of the Van Norman Model 650 seat and valve grinding machine, which was manufactured for Van Norman by Ingenious Devices, Ltd. of Orillia, Ontario.