Patent · US Active

Pipe wrench or water pump wrench

US9370857B2 · kind B2 · utility

5Cited by

8References

7Claims

0Family size

Assignee

ROTHENBERGER AG · DE

Inventors

Norbert Guenther · Hückeswagen, DE
Marco Theissen · Lüdenscheid, DE
Stefan Schultes · Solingen, DE

Key dates

Filing date	Jun 18, 2012
Grant date	Jun 21, 2016
Priority date	—
Expiry date	Mar 4, 2033

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB25B7/00
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A pipe wrench or water pump wrench includes a clamp having a first shaft-like grip part and a handle having a second shaft-like grip part. A first jaw having a first gripping surface is disposed at one end of the clamp and a second jaw having a second gripping surface is disposed at one end of the handle. The second gripping surface is formed so as to be complementary to the first gripping surface. The jaws extend in a jaw gripping direction. The gripping surfaces form a first gripping recess. An adjusting mechanism having a toothed slot is disposed in the clamp. The toothed slot is curved in the jaw gripping direction. A pivot pin connects the clamp and the handle in a pivotable manner with respect to one another. The pivot pin is displaceable via the adjusting mechanism.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.