Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Components adjustably or collapsibly connected
Patent
1991-06-21
1992-09-22
Ridgill, Jr., James L.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Components adjustably or collapsibly connected
403176, 403328, E04H 1218
Patent
active
051486482
ABSTRACT:
The invention is a quick-release connector to be used with a collapsible display frame structure as taught in U.S. Pat. No. 4,658,560. The invention permits quick coupling and release between a rear and front hub as taught in U.S. Pat. No. 4,627,210. During use, the quick-release connector provides a solid lock when mounted in a coupled position with a hub. The release of the connector from a coupled position occurs upon movement of a slidable sleeve. A spring maintains contact between the slidable sleeve and the connector collar during coupling. Engagement of the slidable sleeve separates the sleeve from the collar permitting the connector to be pulled free from the hub. A split housing couples the connector to the hub. A spring-loaded slidable sleeve maintains the split housing in a locked position. The rear end of the connector is releasably mounted to a hub of a collapsible display frame structure.
REFERENCES:
patent: 1784107 (1930-12-01), Parker
patent: 4129975 (1978-12-01), Gabriel
patent: 4627210 (1986-12-01), Beaulieu
patent: 4658560 (1987-04-01), Beaulieu
patent: 4763459 (1988-08-01), Wesselski
patent: 4907907 (1990-03-01), Kreusel
patent: 4998842 (1991-03-01), Sheridan
patent: 5014484 (1991-05-01), Tanizawa et al.
Gerberding Philip C.
Sorenson Gary R.
Ridgill, Jr. James L.
Skyline Displays, Inc.
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