UPB rusange pole bracket ikozwe muri aluminiyumu kandi itanga imbaraga zo guhangana cyane.Igishushanyo cyihariye cya patenti gitanga isi yose ikwiranye nuburyo bwose bwo kwishyiriraho ibiti, ibyuma cyangwa beto:
● Umugozi ufunguye
Cable Cable dead-end pulley
An Kubika inshuro ebyiri
Guma insinga
● Inanga eshatu
Gufata amaboko
Connection Guhuza abakiriya
Inzira nyabagendwa