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US Patent: 2,657,603
Finger Control Attachment Wrench
Patentee:
Herman Buford Evans - U. S. Navy, n/a

USPTO Classifications:
81/119, 81/177.8

Tool Categories:
wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 07, 1951
Granted: Nov. 03, 1953

Patent Pictures:
Herman B. Evans patent November 3, 1953
USPTO pdf tiff
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Description:
A spring on the side of the handle retains interchangeable heads. The impetus for the tool is inaccessible nuts and bolts on aircraft engines. The drawing shows an open end wrench head; the specification note other forms could also be used. The cables are to manipulate the wrench end.

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