Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Fabric or lattice; e.g. – indeterminate grating
Patent
1980-06-12
1983-06-28
Friedman, Carl D.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Fabric or lattice; e.g., indeterminate grating
52726, E04C 242
Patent
active
043898289
ABSTRACT:
This application discloses a connection system for promoting the construction of suspended ceiling systems. A clip arrangement is used whereby rail-to-clip-to-rail connections are readily accomplished from below grid access using horizontal translation to trigger positive, secure engagement. The clip is slidable into axial grooves presented at the end of that rail which is to be connected to another rail in accordance with the invention. A detent finger carried by the clip engages that rail during this insertion and prevents unintentional withdrawal of the clip from reception within these grooves. Non destructive disassembly is effected by intentionally disengaging this detent finger. Two rails are connected in this manner when the other end of the clip is attached to another rail. Further, the connection system is adaptable to connect rails both end to end and end to side. In addition, it often desired to connect the ends of two aligned rails to opposite sides of a rail set between them. The strength and rigidity of this latter configuration is enhanced by interaction between the respective clips to one another and to the rails involved.
REFERENCES:
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patent: 3015375 (1962-01-01), Lickliter
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patent: 3093221 (1963-06-01), Purdy
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patent: 4108563 (1978-08-01), Brown et al.
Catalogue-Roblin Building Products-1980-(Including Flangeklamp System Introduced Earlier), pp. 1-8.
Cantrell Thomas L.
Friedman Carl D.
Howmet Aluminum Corp.
Moore Stanley R.
Schley Joseph H.
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