Tubular framing system

Joints and connections – Distinct end coupler – Separate screw or pin-type connections

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Details

403300, 403363, E04G 700

Patent

active

052978885

ABSTRACT:
A versatile framing system incorporates open channel members and closed tubular members. The closed tubular members provide strength, while the open channel member allows various members to be attached at an infinite number of positions along its length. The inventive system thus successfully incorporates the advantages of both open channel members and closed tubular members.

REFERENCES:
patent: 1850118 (1932-03-01), Meyers
patent: 1859259 (1932-05-01), Chamberlain
patent: 2737268 (1956-03-01), Smith
patent: 3462021 (1969-08-01), Hawke
patent: 3511000 (1970-05-01), Keuls
patent: 4069638 (1978-01-01), Hasselqvist et al.
patent: 4261470 (1981-04-01), Dolan
patent: 4662532 (1987-05-01), Anderson et al.
patent: 4784552 (1988-11-01), Rebentisch
patent: 5116161 (1992-05-01), Faisst

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