Invention Grant
- Patent Title: Cold-formed steel joist
- Patent Title (中): 冷成型钢托梁
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Application No.: US12585402Application Date: 2009-09-14
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Publication No.: US08407966B2Publication Date: 2013-04-02
- Inventor: Michael R. Strickland , Douglas M. Fox , Lei Xu
- Applicant: Michael R. Strickland , Douglas M. Fox , Lei Xu
- Applicant Address: CA Princeton, ON
- Assignee: iSpan Systems LP
- Current Assignee: iSpan Systems LP
- Current Assignee Address: CA Princeton, ON
- Agency: Hill & Schumacher
- Main IPC: E04C3/00
- IPC: E04C3/00 ; E04H12/00

Abstract:
An upper chord bearing joist comprising a top chord member and a bottom chord member, each having a flange portion and a web receiving portion including two web receiving tabs, each made from a unitary piece of metal; a generally planar steel web, a portion of the web being attached to the top chord member and to the bottom chord member, wherein a top portion of the web is between the two web receiving tabs of the top chord member and a bottom portion of the web is between the two web receiving tabs of the bottom chord member; and a first and second pair of support members, each support member including a shoe portion, a web attaching portion, and an angled portion, the web attaching portion being attached to the web receiving tabs and the angled portion being in contact with the web. The joist may be cambered, have reinforcement stiffeners, and have a rotatable joint at either end. The joists may be used in composite with concrete or with wood.
Public/Granted literature
- US20100139201A1 Cold-formed steel joist Public/Granted day:2010-06-10
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