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US Patent: 432,584
Watch Key
Patentee:
Rudolph Ueltzen (exact or similar names) - New York, NY

USPTO Classifications:
279/35, 81/112, 81/115

Tool Categories:
wrenches : socket wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Wm. Wagner
Wm. A. Lowe
A. Jonghmans
F. v. Briesen

Patent Dates:
Applied: Jan. 11, 1890
Granted: Jul. 22, 1890

Patent Pictures:
Rudolph Ueltzen patent July 22, 1890
USPTO (New site tip)
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Description:
The jaws spring open. The jaws can partially rotate in the barrel of the key, and are closed by the cam-action tapered openings. The jaws on one end of the barrel close with clock-wise rotation; the jaws on the other end, with counter-clockwise rotation.

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