Aluminum connector hub for a steel tube
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United States of America Patent
Stats
-
May 29, 2001
Grant Date -
N/A
app pub date -
Jun 16, 1999
filing date -
Jun 16, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A free span building has connector hubs having slots for mating with tubular frame members. Each slot has a longitudinal axis, and a tooth symmetrically disposed on either side of the longitudinal axis. The area of the slot in shear is larger than the area of the tubular frame member in tension by at least an approximate ratio of the strength of the material of the tubular frame member in tension to the strength of the material of the slot in shear. The angle between a bearing face of the tooth and the longitudinal axis is within the range of seventy to ninety degrees. The teeth are disposed on opposite sides of the longitudinal axis. A distance measured on the tubular member perpendicular to the longitudinal axis, and between the slot's teeth, is at least the ratio of the yield strength to the ultimate strength of the material of the tubular member.
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