Patent ID: 8146511
Filing Date: 2012-04-03
Classification: B60S

Abstract:
1. A dolly for a conveyor track, the dolly comprising: a main center link having a central portion and two arms extending from said central portion, said arms each having an offset bore formed therein; a pair of tire engaging rollers supported on said arms of said main center link, one of said tire engaging rollers disposed on each side of said central portion; a pair of track engaging rollers supported on said arms of said main center link, one of said tracking engaging rollers disposed on each side of said central portion and on an outer side of one of said tire engaging rollers; bolts, one of said bolts engaging in said offset bore in each of said arms; a pair of tire stabilizing rollers each supported on one of said bolts; and said tire stabilizing rollers, said track engaging rollers and said tire engaging rollers each having a different effective diameter to a tangent point of tire contact, said effective diameter of said tire stabilizing rollers being greater than said effective diameter of said track engaging rollers, said effective diameter of said tire engaging rollers being greater than said effective diameter of said tire stabilizing rollers, said tire engaging rollers and said tire stabilizing rollers preventing the tire from engaging said tracking engaging rollers during operation of the dolly.