Door closure apparatus and method

Details Door closure apparatus and method Door closure apparatus and method

1994-01-10

1995-04-18

Cuda, Irene

Metal working

Method of mechanical manufacture

Assembling or joining

16 72, 16 76, B23P 1100, E05F 108

Patent

active

054066875

ABSTRACT:
A door closure apparatus is provided for lightweight screen doors and the like as are used on recreational vehicles, campers and motor homes. The method of attachment of the closure apparatus includes a pair of spaced apart coil springs which are affixed to the upper and lower hinges of the door by threaded screws. The springs are positioned to expand when the door is opened thereby creating a resilient force to evenly return the door to its closed posture.

REFERENCES:
patent: 768718 (1904-08-01), Austin
patent: 801694 (1905-10-01), Sheppard
patent: 1804385 (1931-05-01), Ferrin
patent: 2024919 (1935-12-01), Fredricks et al.
patent: 2129338 (1938-09-01), Timmons
patent: 2426380 (1947-08-01), Swanson
patent: 2499719 (1950-03-01), Boye
patent: 2709274 (1955-05-01), Jorgenson
patent: 3287757 (1966-11-01), Van Noord
patent: 4149295 (1979-04-01), Owen
patent: 4299058 (1981-11-01), Spaulding

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