System for joining support members

Details System for joining support members System for joining support members

1993-09-13

1995-05-02

Ramirez, Ramon O.

Supports: racks

Knockdown

211191, A47F 500

Patent

active

054111544

ABSTRACT:
A readily assembled and disassembled static structure such as a scaffolding or a rack for shelving, bracing or the like is composed of a plurality of elongated metallic support members fastened together in a predetermined precise arrangement. Each support member contains at least one row in a longitudinal direction of identically sized holes in the shape of a polyhedron having four sides or a multiple thereof. The support members are fastened together using a bolt which has an unthreaded portion adjacent the head of the bolt adapted to engage the shaped holes, and a nut threaded onto said bolt. The end of the bolt includes an extension beyond the threads which can be struck with a hammer during disassembly of the support without causing damage to the threads. Channels and angle bracing preferably are used as the support members of the invention although other elongated members can likewise be assembled in the same manner according to the teachings herein. The support members can be joined at 45.degree. or 90.degree. angles by the use of star-shaped holes having 8-points and a fastener including a bolt which has a neck having a matching star-shaped cross-section.

REFERENCES:
patent: 4545490 (1985-10-01), Hsiao et al.
patent: 4854114 (1989-08-01), Speck
patent: 4896992 (1990-01-01), Muhlethaler
patent: 4967916 (1990-11-01), Handler et al.
patent: 5020678 (1991-06-01), Klein
patent: 5263598 (1993-11-01), Vortherms

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