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Harbor Freight Tools Usa, Inc.

David Allan Bradley

Michael Thomas Matteo

Lawrence Scott Saeger

Winch

Winch hook

For use with prefabricated pool wall panels that have a top flange extending outwardly from the pool cavity to attach a coping layer, an extender strip attachable to the top flange increases the effective width of coping support. The extender strips have a curvature conforming to the curvature of the wall panel. The extender strip includes a flat portion for supporting a coping layer and a flange portion adjacent the outside perimeter of the strip. The strip can be attached to the wall panel with the flange portion facing up or down, depending on the nature of the coping layer. The structure may also include horizontal support brackets and vertical support braces.

Swimming pool coping support extender

A method of joining plates includes the steps of providing a one or more studs having a head, a barrel and a weld tip. The plates and studs are arranged such that a first plate having at least one hole is located between the studs and a second plate with each stud aligned with a hole and contacting the second plate. Current is passed through the stud using the stud head and the second plate as electrodes to melt the weld tip bonding the stud to the second plate. The studs are arranged such that an air gap between the studs and the first plate prevents arcing during the welding step. Pressure and heat may be applied to compress the barrel such that the stud functions as a rivet. Alternatively, the barrel may remain uncompressed to provide a pin allowing relative rotation between the plates.

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Burbank, CA, United States of America

David Allan Bradley