A system and process for removably and replaceably coupling two hollow carbon fiber composite structures without the need for adhesives or welding. A universal coupling makes use of reciprocating catches in the end regions of the universal coupling. The reciprocating catches engage receiving features provided in the hollow carbon fiber composite structures to couple the hollow carbon fiber composite structures to the universal coupling, and through the universal coupling, couple the hollow carbon fiber composite structures together. The hollow carbon fiber composite structures can be uncoupled by disengaging the reciprocating catches of the universal coupling from the receiving features of the hollow carbon fiber composite structures.

A system and process for removably and replaceably coupling two hollow carbon fiber composite structures without the need for adhesives or welding. A universal coupling makes use of reciprocating catches in the end regions of the universal coupling. The reciprocating catches engage receiving features provided in the hollow carbon fiber composite structures to couple the hollow carbon fiber composite structures to the universal coupling, and through the universal coupling, couple the hollow carbon fiber composite structures together. The hollow carbon fiber composite structures can be uncoupled by disengaging the reciprocating catches of the universal coupling from the receiving features of the hollow carbon fiber composite structures.

A button assembly for a telescopic hot stick is provided. The button assembly comprises a button housing, a button, and a fastener. The button housing defines a cavity and at least one groove, and the cavity has a bottom cavity surface. The button is disposed in the cavity and the button has a first end and a second end. The second end is configured to face the bottom cavity surface. The fastener is disposed within the at least one groove, and the fastener is positioned adjacent the second end of the button. The fastener is spaced apart from the second end to collectively define a gap between the second end and the fastener.

A driver for coupling a driving device and a driven device includes a core defining a plurality of corner chamfers and a casing formed on and encasing the core. The casing has a contoured perimeter surface and a variable casing thickness, and is compressible during an interference fit installation to a coupling socket to provide a non-lubricated coupling which has zero backlash and substantially no running noise. The core is made of a metal-based material and includes a shaft bore for receiving an input shaft. In an illustrative example, the driver core is made of a stainless steel core and the casing is made of a high wear thermoset urethane material. The metal core can be recycled from the coated driver by removal of the polymeric casing, then recoated with a new casing to form a new coated driver including the recycled metal core.

A driver for coupling a driving device and a driven device includes a core defining a plurality of corner chamfers and a casing formed on and encasing the core. The casing has a contoured perimeter surface and a variable casing thickness, and is compressible during an interference fit installation to a coupling socket to provide a non-lubricated coupling which has zero backlash and substantially no running noise. The core is made of a metal-based material and includes a shaft bore for receiving an input shaft. In an illustrative example, the driver core is made of a stainless steel core and the casing is made of a high wear thermoset urethane material. The metal core can be recycled from the coated driver by removal of the polymeric casing, then recoated with a new casing to form a new coated driver including the recycled metal core.

A button assembly for a telescopic hot stick is provided. The button assembly comprises a button housing, a button, and a fastener. The button housing defines a cavity and at least one groove, and the cavity has a bottom cavity surface. The button is disposed in the cavity and the button has a first end and a second end. The second end is configured to face the bottom cavity surface. The fastener is disposed within the at least one groove, and the fastener is positioned adjacent the second end of the button. The fastener is spaced apart from the second end to collectively define a gap between the second end and the fastener.