Pre-assembly attachment system for a box-section frame member an

Details Pre-assembly attachment system for a box-section frame member an Pre-assembly attachment system for a box-section frame member an

1994-04-15

1995-08-22

Friedman, Carl D.

Static structures (e.g., buildings)

Machine or implement

527322, 29453, 2989731, E04C 100, E04C 139

Patent

active

054428858

ABSTRACT:
A box section frame member includes an upper channel-shaped member having the flanges partially telescoped into the flanges of a lower channel-shaped mender. A weld connection is made at the upper edge of the lower channel-shaped member. The flanges of the lower channel-shaped member are formed with integral struck out T-shaped tabs which project inwardly and are longitudinally spaced. The upper channel-shaped member is provided with correspondingly spaced T-shaped openings located to mate with the tabs in the assembled relation. The tabs and opening are made during the formation of the channel members which are pre-assembled by press fitting of channel-shaped members with the flanges and web portions thereof deflecting to permit the movement of the openings past and into locking engagement with the tabs.

REFERENCES:
patent: 1867329 (1932-07-01), Ryan
patent: 2254558 (1941-09-01), Williams
patent: 3420032 (1969-01-01), Felt
patent: 3928950 (1975-12-01), Beynon
patent: 5325651 (1994-07-01), Meyer et al.

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