Connector block for connecting links in trolley chain

A trolley chain connector block, the connector block configured for use in flexibly connecting a first chain unit to a second chain unit in a trolley conveyor chain, the connector block comprising:

• a first block body and a second block body,
• the first block body comprising a generally U shaped metal plate having a first base plate with open edges, a first side plate, and a second side plate, the first side plate and second side plate of the first block body each having an outer width W1 and an interior width W2, the first base plate further comprising, along the open edges, first tab receiving depressions, and wherein the first side plate and the second side plate each further comprises a distally extending first tab;
• the second block body comprising a generally U shaped metal plate having a second base plate, a third side plate, a fourth side plate, the third side plate and fourth side plate of the second block body each having an outer width W4 and an interior width W3, the second base plate further comprising, along the open edges, second tab receiving depressions, and wherein the third side plate and the fourth side plate each further comprises a distally extending second tab;
• wherein the first side plate and second side plate of the first block body, and the third side plate and fourth side plate of the second block body, are sized, shaped, and joined in secure interlocking engagement, and wherein the first tab receiving depressions each securely position therein a second tab bent for interfitting engagement therewith, and wherein the second tab receiving depressions each securely position therein a first tab bent for interfitting engagement therewith, and
• wherein the first side plate and second side plate each further comprise a first insertion hole defined by edge walls, and wherein the third side plate and the fourth side plate each further comprise a second insertion hole defined by edge walls.