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US Patent: 1,236,408
Valve Reamer and Refacer
Patentee:
Edward J. Dickson (exact or similar names) - Wenatchee, WA

USPTO Classifications:
408/83.5, 451/319, 451/430

Tool Categories:
specialty tools : valve grinding tools

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: Jul. 27, 1916
Granted: Aug. 14, 1917

Patent Pictures:
Edward J. Dickson patent August 14, 1917
USPTO (New site tip)
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Description:
A conical piece acts as cutter for dressing valves and valve seats; the valve stem acts as "pilot" for the seat reamer function.

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