Title:
LOCK WRENCH
Document Type and Number:
Japanese Patent JP2004001158
Kind Code:
A
Abstract:
To provide a pipe wrench having a function as a wrench exclusive for locking as well as a conventional function of rotating a pipe.
The wrench has such a construction that a bolt 3 is screwed in a screw hole 2 provided at a rear end of a movable head 1 of the pipe wrench. As the bolt is rotated, the movable head 1 is tightly engaged with the pipe and the pipe wrench is locked.
Inventors:
WADA KOICHI
Application Number:
JP2002196520A
Publication Date:
January 08, 2004
Filing Date:
June 01, 2002
Export Citation:
Assignee:
WADA KOICHI
International Classes:
B25B13/50; (IPC1-7): B25B13/50