Offset pivot hinges with door closing devices
AssigneeNippon Electric Industry Co., Ltd.
InventorKyoichi Sasaki
Life of this patent
Estimating the term…
Abstract
A door closing device which is easily mounted on, and easily removed from, an offset pivot hinge. The door closing device has an outer sleeve, an inner member rotatably mounted in the outer sleeve and a coil spring having opposite ends thereof connected to the outer sleeve and the inner member, respectively. The door closing device is mounted on, and operatively connected to, the pivot hinge by non-rotatably fitting the inner member and the outer sleeve with a pivot pin of the pivot hinge and a hinge plate pivoted on the pivot pin, respectively . The door closing device is provided with a door closing speed damping mechanism, a door stopper mechanism, and/or a preset mechanism for the door closing torque, which are assembled within the outer sleeve.
Claims13
An offset pivot hinge with a door closing device easily and removably assembled thereto comprising:
- said offset pivot hinge having a first plate member to be secured to one of a door and a floor or a door frame, a pivot pin secured onto a surface of one end portion of said first plate member, and a second plate member to be secured to the other of the door and the floor or the door frame, and being pivoted on said pivot pin at one end portion thereof;
- and
- said closing device comprising an outer sleeve which is easily and removably mounted onto said second plate at one end of said sleeve, an inner member being mounted in said outer sleeve to be rotatable in relation to said outer sleeve and being removably connected to said pivot pin, and a coil spring member disposed within said outer sleeve with one end of said spring being connected to said outer sleeve and with the other end being connected to said inner member so that said coil spring member may be twisted by a relative rotation of said outer sleeve and said inner member to provide the door closing torque.
Dependencies are inferred from the claim text.