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US Patent: 1,749,002
Wrench
Patentees:
John J. Schneider (exact or similar names) - Buffalo, NY
Edward Nester (exact or similar names) - Buffalo, NY

USPTO Classifications:
81/165, 81/DIG.3

Tool Categories:
wrenches : wrench components : wrench adjustment locks

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Dec. 06, 1927
Granted: Mar. 04, 1930

Patent Pictures: [ 1 | 2 ]
John J. Schneider and Edward Nester patent March 4, 1930
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Description:
The patent is for the adjustment lock for an adjustable end wrench. The large "button" compresses the spring tension of the catch or catches to either press against or release from the "teeth" on the knurled adjusting worm of the wrench.

An adjustment lock similar to this form has been observed on some models of Crescent Tool Co. "CRESTOLOY" wrenches. The feature does not appear on wrenches shown in a 1931 CRESCENT Tool Co. catalog. In the absence of hard documentation, this could be coincidence, copycat, or ???

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