Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Closure checks – Spring
Patent
1977-01-21
1978-01-24
Feldbaum, Ronald
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Closure checks
Spring
16145, 16147, E05F 506
Patent
active
040695476
ABSTRACT:
The door stop device comprises two pivotally interconnected links for pivoting, one link, to a door and, the other link, to a fixed part on which the door is pivotally mounted. The links are capable of being unfolded and folded when opening and closing the door. A first link is extended beyond its pivotal connection to the other link by two semi-cams. Each of the semi-cams defines a stop notch. A cam follower movably mounted in the second link is capable of engaging the stop notches under the action of a spring in the second link to create a retention in the course of the unfolding of the links. This retention may be overcome to permit the return of the links to their folded position.
REFERENCES:
patent: 2693616 (1954-11-01), Cromwell et al.
patent: 2787019 (1957-04-01), Galla
patent: 2860369 (1958-11-01), Galla
patent: 3091796 (1963-06-01), Leslie
patent: 3153259 (1964-10-01), Brissette et al.
patent: 3370318 (1968-02-01), Marchione
patent: 3605174 (1971-09-01), Marchione
patent: 3710417 (1973-01-01), Berman et al.
patent: 3837040 (1974-09-01), Keller et al.
Guionie Paul
Roudier Rene
Adams Bruce L.
Burns Robert E.
Feldbaum Ronald
Lobato Emmanuel J.
Paumellerie Electrique
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