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US Patent: 150,180
Improvement in vises
Patentee:
Edward L. Morris (exact or similar names) - Boston, MA

USPTO Classifications:
269/221, 269/245, 81/124.3

Tool Categories:
work holding : vises : bench vises

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
William P. Edwards
N. C. Lombard

Patent Dates:
Applied: Oct. 20, 1873
Granted: Apr. 28, 1874

Patent Pictures: [ 1 | 2 ]
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Description:
A novel type of quick-adjust mechanism, where a handwheel is spun to perform the quick adjustment of the jaws, and a tightening lever is used to do the last tightening and loosening. That tightening level hangs freely when not in use.

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