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CA Patent: CA-53,058
Wrench
Patentee:
Joseph Shafer (exact or similar names) - San Bernardino, CA

USPTO Classifications:

Tool Categories:
wrenches : axle nut wrenches

Assignees:
None

Manufacturer:
Shafer Brothers - San Bernardino, CA

Witnesses:
William Herbert Golding
John Lotka
H. A. Thorpe

Patent Dates:
Applied: Jun. 10, 1896
Granted: Aug. 01, 1896

Patent Pictures:
Joseph Shafer patent August 1, 1896 edited from CANADIAN PATENT OFFICE RECORD
CIPO Data
Report data errors or omissions to steward Stan Schulz
53,058 in Canadian Patents Database
Description:
A small throw "crank" turns a socket with a notched flange. The main handle has an elongated slot which enables a lug on the handle to engage a notch in the flange to start loosening or finalize tightening the axle nut.

Corresponding U.S. patent no. 561,823 was issued June 9, 1896.

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