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US Patent: 3,803,954
Adjustable Ratchet Wrench
Patentee:
Paul E. Lenker - Davenport, IA

USPTO Classifications:
81/126

Tool Categories:
wrenches : wrench adjustment types : self-adjust wrenches

Assignees:
Davenport Tool Company - Goldridge, IA

Manufacturer:
Davenport Tool Company - Eldridge, IA

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 21, 1972
Granted: Apr. 16, 1974

Patent Pictures:
Paul E. Lenker patent April 16, 1974
USPTO pdf tiff
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Description:
A self-adjusting nut wrench with an internal spring and slot in the frame which allow the handle to be re-positioned in relation to the head.

The specifications cite patent nos. 1,628,842 and 1,885,954 as references.

Produced as the HASTEE by Davenport Tool Company. Some marked PAT. PEND., some with the patent number.

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