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US Patent: 265,445
Wrench
Patentee:
Peter Rotermund (exact or similar names) - Eureka, CA

USPTO Classifications:
81/137

Tool Categories:
wrenches : wrench adjustment types : quick adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Chas. Mercer
Jas. A. Baxter
W. R. Finch
Fred. W. Bell

Patent Dates:
Applied: Apr. 24, 1882
Granted: Oct. 03, 1882

Patent Pictures:
Peter Rothermund patent October 3, 1882
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Description:
The main feature of the patent is the swinging toothed side piece on the movable jaw which engages with teeth on the shank to hold adjustment. The patented feature is the shape of the teeth which would clear the corresponding grooves of dirt.

The comparable Canadian patent is no. CA-18,038 issued Nov. 4, 1883.

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