ʻO ke kaulahao lawe e like me ke kaulahao hoʻouna.Hoʻokumu pū ʻia ke kaulahao lawe pololei me kahi ʻano o nā bearings, i hoʻopaʻa ʻia e ka pā kaulahao me ka hoʻopaʻa ʻana, a pololei loa ka pilina kūlana ma waena o kekahi.

ʻO kēlā me kēia bearing he pine a me kahi lima kahi e hoʻohuli ai nā wili o ke kaulahao.Hoʻomaʻamaʻa ʻia ka pine a me ka lima i ka mālama ʻana i ka paʻakikī o ka ʻili, e hiki ai i nā hui hinged ma lalo o ke kaomi kiʻekiʻe, a hiki ke kū i ke kaomi ukana i lawe ʻia e nā wili a me ka hopena i ka wā o ke komo ʻana.ʻO nā kaulahao conveyor o nā ikaika like ʻole he ʻano o nā kaulahao like ʻole: pili ke kaulahao i nā koi ikaika o nā niho sprocket a me nā koi rigidity o ka pā kaulahao a me ke kaulahao maʻamau.Inā pono, hiki ke hoʻoikaika ʻia.Hiki i ka lima ke ʻoi aku ma mua o ka pitch chain i koho ʻia, akā pono e loaʻa kahi āpau i nā niho niho e wehe ai i ka lima.