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US Patent: 484,049
Nut Cracker
Patentee:
Oliver H. Robertson (exact or similar names) - Forestville, CT

USPTO Classifications:
30/120.4, 99/578, D7/680

Tool Categories:
household : nutcrackers

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Q. B. Jenkins
Chas. B. Chandler
F. B. Newton
James J. McElroy
Patent Dates:
Applied: Apr. 15, 1892
Granted: Oct. 11, 1892

Patent Pictures: [ 1 | 2 ]
Oliver H. Robertson patent October 11, 1892
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Description:
The movable jaw connects to the lever handle with by an intermediate link. A spring within the movable jaw provides return opening force.

A known example is marked ACME PAT. OCT. 11 92

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