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US Patent: 1,046,638
Valve Spring Compressor
Patentee:
Axel Petersen (exact or similar names) - New York, NY

USPTO Classifications:
29/219

Tool Categories:
specialty tools : valve spring tools

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
W. S. Miller
C. V. Riede
John T. Schrott
Charles H. Wagner
Patent Dates:
Applied: Mar. 21, 1910
Granted: Dec. 10, 1912

Patent Pictures:
Axel Petersen patent Dec. 10, 1912
USPTO (New site tip)
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Description:
An "over center locking lever" provides the clamping action to compress and hold the valve spring in compression.

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