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US Patent: 982,539
Spring Holding Device For Valves
Patentee:
Walter H. Shimpf - New York, NY

USPTO Classifications:
29/221

Tool Categories:
specialty tools : valve spring tools

Assignees:
C. R. Traboldt - New York, NY

Manufacturer:
Not known to have been produced

Witnesses:
E. G. McCartley
Chas. K. Davis
G. M. Irwin
A. J. Inderruden

Patent Dates:
Applied: Jul. 05, 1910
Granted: Jan. 24, 1911

Patent Pictures:
Walter H. Shimpf patent Jan. 24, 1911
USPTO pdf tiff
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Description:
Closing the handles spreads the jaws. A swinging loop holds the handles "closed." The "lower" jaw can be adjusted to fit different lifter base diameters.

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