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US Patent: 1,220,547
Valve Spring Lifter
Patentee:
Anton Placek (exact or similar names) - Cleveland, OH

USPTO Classifications:
29/218, 81/486

Tool Categories:
specialty tools : valve spring tools

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. E. Votava
Anna Votava
Patent Dates:
Applied: Sep. 28, 1916
Granted: Mar. 27, 1917

Patent Pictures:
Anton Placek patent March 27, 1917
USPTO (New site tip)
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Description:
The connecting linkage between the adjusting screw and movable jaws is fashioned to keep the jaws parallel to each other as they are forced apart.

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