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US Patent: 800,814
Wrench
Patentee:
Rudolph H. Martens (exact or similar names) - Rockford, WA

USPTO Classifications:
30/186, 7/125, 7/142, 81/306, 81/355, 81/404

Tool Categories:
wrenches : wrench combination tools

Assignees:
E. R. Walker - Rockford, WA
W. Righter - Rockford, WA
Rudolph H. Martens - Rockford, WA

Manufacturer:
Not known to have been produced

Witnesses:
C. E. Hunt
C. H. Griesbauer
J. B. Gilbert
J. H. Morrison

Patent Dates:
Applied: May 05, 1905
Granted: Oct. 03, 1905

Patent Pictures:
Rudolph H. Martens Pat. Oct. 3, 1905
USPTO (New site tip)
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Report data errors or omissions to steward Stan Schulz
Description:
The adjusting nut has a collar with the pivot point f an attached handle. The handle is connected to the movable jaw. This construction provides a "pliers" function to the wrench jaws. There is also a wire cutter function on this handle. This supplemental mechanism only works on a wrench frame where the movable jaw and adjusting screw are mounted on parallel shafts.

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