Bilateral swingable self-closing door hinge with common bolting

Details Bilateral swingable self-closing door hinge with common bolting Bilateral swingable self-closing door hinge with common bolting

1979-04-18

1981-04-07

Kundrat, Andrew V.

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

Sash balances

Spring

E05F 106

Patent

active

042597633

ABSTRACT:
A self-closing door hinge arrangement including two hinges with the structure which enables the hinges to be bolted together so as to rotate about a common axis, thereby allowing the door to swing in a balanced and smooth manner.

REFERENCES:
patent: 704982 (1902-07-01), Thorp
patent: 963069 (1910-07-01), Roots
patent: 1691759 (1928-11-01), Fischer
patent: 2200418 (1940-05-01), Dudley

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