Some perfeccioanmientos on roller skates for sports

摘要

Some improvements subject of the main patent No. 183,623 for "Some improvements in roller skates for sports" characterized by the fact that the guide soportes.horquilla designs or rotation both its top and from the bottom through a pivot therethrough and being rigidly secured to their respective pivot the fork by a spring clip hairpin-shaped bend to embrace the pin is held by a later-fold in the support fork.