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US Patent: 1,301,733
Valve Spring Lifter
Patentee:
Charles W. Palmer - Sandpoint, ID

USPTO Classifications:
254/126, 29/218

Tool Categories:
specialty tools : valve spring tools
work holding : vises : hand vises

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. D. Kesler
G. W. Cline
G. N. Urquhart

Patent Dates:
Applied: May 01, 1918
Granted: Apr. 22, 1919

Patent Pictures:
Charles W. Palmer patent April 22, 1919
USPTO pdf tiff
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Description:
The "jaw" pieces are connected by "scissors" type side connections and an adjusting screw. There is provision for adjusting the width of the jaws. The screw adjustment also enables the tool to function as a hand vise or bolt holder.

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