Top-mounted double-action door hinge

Details Top-mounted double-action door hinge Top-mounted double-action door hinge

1984-01-19

1985-09-10

Schran, Donald R.

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Hinge

Resiliently biased hinge

16280, 16277, E05F 114

Patent

active

045397279

ABSTRACT:
A double-action hinge for single-hinge top-mounting flexible or semi-flexible doors, of a type mountable on an upright laterally-facing door jamb support, having an axis of hinge-pivot extending uprightly substantially parallel with a mounting door jamb support, with the upper hinge pivot being fixed to a point of and mounting for pivotal rotation as a hinge-mounted door swings to and from in double action through a doorway space framed by a door jamb, and the lower hinge pivot structure being mounted to move freely along an outwardly-extending elongated slot space of a slot-forming lower hinge-support structure permitting a lower end of the hinge axis to move-away from the door jamb support structure when the door swings away from a center position, and an abutting structure having spaced-apart surface portions adjacent the door jamb support structure being mounted on the lower hinge pivot structure fixedly such that the abutting structure turns as the hinge pivots as in opening the door one direction or the other while weight of a hinge-mounted door causes the abutting structure to press toward the door jamb support, with the result that abutting one or the other of the spaced-apart surface portions cause the supported door and lower pivot structure to move outwardly and upwardly when the hinge is swung open, the weight of the door causing the door to swing back toward a centering position, facilitated by one or more coil spring mounted between the rotatable hinge structure and non-rotatable hinge-mounting structure.

REFERENCES:
patent: 325761 (1885-09-01), Niles
patent: 404556 (1889-06-01), Payson
patent: 484200 (1892-10-01), Held et al.
patent: 624850 (1899-05-01), Niles
patent: 839589 (1906-12-01), Hockstrasser

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