Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Components adjustably or collapsibly connected
Patent
1991-09-23
1993-02-16
Scherbel, David A.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Components adjustably or collapsibly connected
526481, 403382, 403219, 403217, 446106, 211189, 211 74, E04C 300
Patent
active
051859823
ABSTRACT:
A corner joint for locking in place the upright and horizontal rail members of a modular assembly is disclosed. The rail members are interconnected to form an open frame defining box-like modules for supporting shelving, side wall members, doors, and such like components. The corner joint positively locks the rail members in place and includes similarly shaped forks formed at the end sections of the horizontal rail members and a fork formed at an end section of the upright rail member. The tynes of the forks of the horizontal rail members are provided with slots on the opposite side faces thereof. The tynes of the forks of one horizontal rail member snugly and securely receive in the slots thereof the inside surfaces of a mating fork of another horizontal member. The inside surfaces of the tynes of the upright member are snugly and securely received in the slots of the tynes of the one horizontal rail member. A cross-like connection is formed among the horizontal and upright rail members whereby the receipt of the tynes in the slots result in a positive lock at the corner interconnection.
REFERENCES:
patent: 3509677 (1970-05-01), Krex et al.
patent: 3966337 (1976-06-01), Crawford
patent: 4825620 (1989-05-01), Johnson
Bogdon Paul
Scherbel David A.
Stark Forest Products Inc.
Wood Wynn E.
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