Patent ID: 7434714

Claim:
A bike carrying rack, comprising: a base frame; a support rack mounted on the base frame; a pivot mechanism pivotally mounted between the base frame and the support rack and including two first rotation disks each having a first side provided with a first engaging face, and two second rotation disks each rotatably mounted on a respective one of the two first rotation disks and each having a first side provided with a second engaging face detachably engaged with the first engaging face of the respective first rotation disk; wherein the base frame has two side rods, the support rack has two support rods, each of the two first rotation disks is mounted on a respective one of the two side rods of the base frame and has a second side formed with a mounting recess for mounting the respective side rod of the base frame, and each of the two second rotation disks is mounted on a respective one of the two support rods of the support rack and has a second side formed with a mounting recess for mounting the respective support rod of the support rack; each of the two side rods of the base frame has a through hole, each of the two support rods of the support rack has a through hole, each of the two first rotation disks has a central portion formed with a through hole, each of the two second rotation disks has a central portion formed with a through hole, and the pivot mechanism further includes two quick releases each including a pivot shaft in turn extended through the through hole of a respective one of the two support rods of the support rack, the through hole of a respective one of the two second rotation disks, the through hole of a respective one of the two first rotation disks and the through hole of a respective one of the two side rods of the base frame and having a first end provided with an eccentrically arranged drive handle pivotally pressed on the respective support rod of the support rack and a second end formed with an outer thread, and a locking nut screwed onto the outer thread of the pivot shaft and pressed on the respective side rod of the base frame.