Spring hinge with a damper

Details Spring hinge with a damper Spring hinge with a damper

E - Fixed Constructions

05

F

16/22

E05F 3/20 (2006.01)

Patent

CA 1295444

ABSTRACT The present invention refers to a hinge for doors having a spring with a damper, being made up by two cylindrical bodies, fixed respectively with the plates for anchoring to the door and frame respectively. One of said cylindrical bodies constitutes a water-tight chamber, by means of closure and caps, inside which is placed a piston axially related with the cylinder by means of longitudinal guides which prevent rotation of the piston. Said piston presents an axial threaded pitch, through which it is left mounted in a spindle with a coarse thread pitch, which spindle forms the extreme part of an axial shaft which passes through a central perforation of one of the closure caps of said water-tight chamber. All of it is disposed in a mode that the rotation of the second cylindrical body of the hinge through the coupling of its plate corresponding to the door, performs a torsion effort of the spring, whilst a rotation of the central shaft takes place in the tight chamber which is occupied by a hydraulic oil fluid.

540332

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