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US Patent: 282,033
Hand Vise
The Model Vise
Patentees:
George Amborn, Jr. (exact or similar names) - Pawtucket, RI
Edwin D. Chaplin (exact or similar names) - Pawtucket, RI

USPTO Classifications:
269/241, 269/4

Tool Categories:
work holding : vises : hand vises

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Charles H. Bloodgood
James S. Crook

Patent Dates:
Applied: Jun. 13, 1883
Granted: Jul. 31, 1883

Patent Pictures: [ 1 | 2 | 3 | 4 | 5 ]
Image courtesy and (C) Bob Gordon
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Description:
Increased closing pressure on the jaws by using a compound screw arrangement by use of a threaded collar and a threaded wing nut.

Known example marked on the threaded collar (see images): THE MODEL VISE - PAT'D JUL 31 - 1883

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