Patent ID: 9616953
Date: 2017-04-11
CPC Classifications: B62J,B62K

Claim:
1. An adjustable seat post for bicycles comprising: a control assembly having wherein the first contact portion and the second contact portion of the curved-portion are formed on the first side and the second side of the curved-portion respectively, a radial distance between the first contact portion and the center of the control-wheel is smaller than a radial distance between the second contact portion and the center of the control-wheel, and the control-wheel is rotated by driving the pulling-element; an installing tube assembly pivotally connected to the control-wheel of the control assembly and having a top end and a bottom end; a connecting tube assembly movably mounted in the installing tube assembly and adjacent to the top end of the installing tube assembly; and an adjustable element assembled in the connecting tube assembly and having a bottom end; and a trigger element formed in the bottom end of the adjustable element and abutting the control-wheel of the control assembly, and the trigger element selectively abutting the first contact portion or the second contact portion.