US Patent: 1,347,243
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Valve Grinding Tool
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Patentee:
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Edson L. Beardsley (exact or similar names) - Columbus, OH |
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Patent Dates:
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Applied: |
Mar. 25, 1918 |
Granted: |
Jul. 20, 1920 |
Patent Pictures:
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Edson L. Beardsley patent July 20, 1920 |
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Stan Schulz
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Description: |
The handle with the rack can be removed from the head for compact storage. The operator controls the extent of reciprocating motion by varying the distance the rack is moved through the gear head.
Marketed as the BEARDSLEY Valve Grinder in conjunction with a cam lever clamping valve spring compressor also patented by Beardsley (pat. no. 1,241,488, 1,310,594, 1,327,015). |
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