Modular single or double action door closure system

Details Modular single or double action door closure system Modular single or double action door closure system

1980-11-10

1983-06-14

Bell, Paul A.

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

Checks and closers

Spring and gear

16 62, E05F 300

Patent

active

043874827

ABSTRACT:
A modular door closure system comprises a rack and pinion motor assembly with single action opening 2a mounted in a first case 5a; a similar motor assembly with double action opening mounted in a housing element 5, 6; and a spring and shock absorber restoration drive 4 mounted in a second case 7 that can be assembled with either the first case 5a to constitute a single action door closure 1a, or with the housing element to constitute a double action door closure 1.

REFERENCES:
patent: 2471707 (1949-05-01), Van Veen et al.
patent: 3000597 (1967-09-01), Bell et al.
patent: 3255482 (1960-06-01), Flint
patent: 3345946 (1967-10-01), Johnson et al.

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