US Patent 10520131 Pole arm system with stackable mount cup

A pole arm system is disclosed which comprises a pole mount cup that may be reconfigured and stacked in different configurations so as to form different configurations of a pole mount assembly for supporting various arms and electronic devices. The pole mount assembly further comprises, in some embodiments, a pole collar assembly for engaging a dimpled pole in a fixed relationship. Multiple rotation stop mechanisms for use in joints of a pole arm system are also disclosed.