US Patent 10128613 Pin connector assembly

A pin connector assembly has male connector and a female connector. The male connector has a first alignment slot formed on a first housing of the male connector and a mounting hole. The female connector has a second alignment slot formed on a second housing of the male connector and a mounting hole. The first and second alignment slots allows the male connector and the female to be coupled with each other without damaging metal contacts on the male connector. Moreover, the installation efficiency of the male connector and the female connectors are improved. The mounting holes of the male and female connectors are used for detachably mounting the male and female connectors on tubes of a trunk of an artificial Christmas tree.