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US 4,050,829 AGranted
Double-sigmoid connector
AssigneeChemetron Corporation
InventorRonald Paul Glanz
Life of this patent
Estimating the term…
Abstract
In a double-sigmoid connector, as used to interconnect structural members in a trusswork and comprises a pair of arcuate elbows joined to each other at their outer peripheral midsections, coaxial outlets are formed in the elbows at their inner peripheral midsections. Accordingly, lateral interconnections may be made.
Claims3
A double sigmoid connector comprising:
- a pair of arcuate pipe elbows having coplanar, arcuate centerlines, one of said pair having an elongated opening in its outer periphery and the other of said pair having a portion of its outer periphery extending into said opening and substantially closing same, said one elbow being rigidly joined to said other elbow around said opening, wherein the improvement comprises:
- each of said pair of elbows having an outlet formed in its inner periphery and extending inwardly of said inner periphery.
Dependencies are inferred from the claim text.