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Threaded rod and strut connector and method
| Details |
Inventors: van Gijsel, Gerardus Emanuel Cornelius; Huwer, Stefan Walter;
Assignee: Erico International Corporation (Solon, OH)
Primary Examiner: Browne; Lynne H.
Assistant Examiner: Malcolm; Tomlyne A
Attorney, Agent or Firm: Renner, Otto, Boisselle & Sklar
A strut-rod connector enables the rod to be quickly and easily attached at any adjusted position along the strut, or axially adjusted. The connector has an internal and external head assembled to each other for limited rocking and opening and closing movement. The rod is threaded in the inner head and extends through a transverse slot in the outer head. A lock nut quickly clamps the parts together, and each self-centers on the legs of the strut. The connection can be made by simply rocking the assembly of the two heads and rod to insert the assembly and rod at any desired location. Tightening a lock nut centers and clamps the assembly and rod in place. Optimum loading in either axial direction of the rod is provided. |
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DETAILED DESCRIPTION A rod connector is employed for channel shape strut of the type having legs with inturned edges.
The connector includes an internal head with a central plate having a threaded hole adapted to receive a threaded rod.
The hole is extruded from the plate and has rolled internal threads matching the external threads of the rod.
When the rod is threaded in the hole, it is maintained perpendicular to the plate.
The internal head includes, along parallel edges, upturned edges designed to seat under the inturned edges of the strut legs.
Opposite parallel edges of the internal head are provided with angular symmetrical flanges having sloping edges adapted to pilot and center the internal head within the strut.
Projecting upwardly from the center of the flanges are flange extensions which each include a pressed out projection or pintle.
The pintles include sloping or wedge exterior surfaces.
The external head is also formed from a plate which includes a centered slot extending transversely of the strut and which accommodates the threaded rod.
The external head includes stiffening flanges with the lateral flanges parallel to the slot and transverse the strut including seats for centering the external head on the inside surfaces of the external turned portion of the strut legs.
This enables the external head to be centered and seated easily when clamped, and yet be free to slide or move when unclamped.
The lateral flanges also include flange extensions, each of which has a slot.
The flange extension slots are parallel to each other.
The flange extensions of the external head telescope over the flange extensions of the internal head, and the sloping or wedge surface slightly separates the slotted flange extensions of the external head until the projections or pintles snap into the slots.
The two heads are then connected for relative pivoting movement and limited separating and closing movement.
The limitation of the separating movement is the length of the slots in the external head flange extensions
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