US Patent: 3,803,954 - Adjustable Ratchet Wrench


	Home\| FAQ	Search:Advanced\|Person\|Company\| Type\|Class	Login


Quick search:	Patent number:	Patent Date:

US Patent: 3,803,954

Adjustable Ratchet Wrench

Patentee:

Paul E. Lenker (exact or similar names) - Davenport, IA

USPTO Classifications:

81/126

Tool Categories:

wrenches : wrench adjustment types : self-adjust wrenches

Assignees:

Davenport Tool Co. - Eldridge, IA

Manufacturer:

Davenport Tool Co. - Eldridge, IA

Witnesses:

Unknown

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

Patent Pictures:

Paul E. Lenker patent April 16, 1974

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Stan Schulz

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. The specification gives the Davenport Tool Co.'s location as Goldridge, IA; it was actually in Eldridge, IA.

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