Patent ID: 9067635
Filing Date: 2015-06-30
Classification: B62K,Y10T

Abstract:
1. A frame unit for a bicycle comprising: a left frame body including a part of a seat tube, a part of a frame, and a left stay integrally formed together; and a right frame body including a part of the seat tube, a part of the frame, and a right stay integrally formed together; wherein the left frame body and the right frame body are joined to each other along edges of the left and right frame bodies to integrally form the head tube, the seat tube, and the frame, wherein a first end of a first support ring is mounted inside an upper end of the head tube, and a second end of the first support ring is mounted outside the upper end of the head tube, and a first end of a second support ring is mounted inside a lower end of the head tube, and a second end of the second support ring is mounted outside the lower end of the head tube.