Patents Assigned to Gränsfors Smide i Gnarp AB
  • Patent number: 8505876
    Abstract: The invention relates to a tool (1) for forcing a door comprising: —an elongated shaft (2) having a front end and a rear end; —a handgrip (10) located between the front end and the rear end of the shaft; and—a head (5) fixed to the shaft at the front end thereof, the head having a base part (6) provided with a striking surface (7) on a first side for receiving impacts from a striking tool and a wedge part (8) extending from the base part on the opposite side thereof essentially perpendicularly to the longitudinal axis of the shaft.
    Type: Grant
    Filed: January 18, 2008
    Date of Patent: August 13, 2013
    Assignee: Gränsfors Smide i Gnarp AB
    Inventor: Peter Lindskog
  • Patent number: 8393596
    Abstract: The invention relates to a tool (1) for forcing a door comprising:—an elongated shaft (2); and—a head (5) fixed to the shaft (2) at the front end thereof, the head (5) having a base part (6) provided with a striking surface (7) on a first side for receiving impacts from a striking tool and a wedge part (8) extending from the base part on the opposite side thereof essentially perpendicularly to the longitudinal axis of the shaft. The wedge part comprises a top surface, a bottom surface and two side walls extending between the top surface and the bottom surface on opposite sides of the wedge part. Each one of the side walls is provided with cutting edges (44) extending in parallel to each other or at least essentially in parallel to each other between the bottom surface and the top surface.
    Type: Grant
    Filed: January 18, 2008
    Date of Patent: March 12, 2013
    Assignee: Gränsfors Smide i Gnarp AB
    Inventor: Peter Lindskog
  • Patent number: D593836
    Type: Grant
    Filed: July 17, 2008
    Date of Patent: June 9, 2009
    Assignee: Gränsfors Smide i Gnarp AB
    Inventor: Peter Lindskog
  • Patent number: D593837
    Type: Grant
    Filed: July 17, 2008
    Date of Patent: June 9, 2009
    Assignee: Gränsfors Smide i Gnarp AB
    Inventor: Peter Lindskog