Joints and connections – Branched – Three or more radiating members
Patent
1977-06-20
1979-03-27
Kundrat, Andrew V.
Joints and connections
Branched
Three or more radiating members
403297, 403330, F16B 700
Patent
active
041463412
ABSTRACT:
An unthreaded, slip-on fitting for connecting a length of structural pipe to another length of structural pipe and/or to a stationary structural member such as a floor or wall, which is usable in building scaffolding, shelving, railing and the like. The body of the fitting has extending from it a pair of spaced parallel arms between which a locking element is pivotally mounted on a transverse pin spanning the arms. A set screw which is accessible from the exterior of the fitting body when the arms are inserted into the interior of a pipe to which the fitting is connected, engages a portion of the pivotal locking element extending into a cavity in the fitting body communicating with the slot. When the set screw is advanced inwardly, the locking element is pivoted, moving outwardly in opposite directions a pair of pipe clamping projections on the locking element, to grip the interior of the pipe, thereby securing it to the fitting. When the set screw is retracted, the pipe clamping projections of the pivotal locking element are released and free to move inwardly to unclamp the pipe.
REFERENCES:
patent: 693159 (1902-02-01), Rumbarger
patent: 1253511 (1918-01-01), Moler
patent: 3743332 (1973-07-01), Sonolet
patent: 3958889 (1976-05-01), Berkowitz
Kundrat Andrew V.
The Hollaender Manufacturing Company
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