Patent ID: 6113057
Filing Date: 2000-09-05
Classification: B62J

Abstract:
A shock absorbing seat post structure for a bicycle comprising: a seat post including a lug formed on the top thereof, the lug defining a pivot hole and an opening located under the pivot hole; a fixed rod mounted in the opening; a supporting base pivotally mounted to the lug and having a front end defining a first receiving space and a rear end pivotally mounted to the pivot hole of the lug and defining a second receiving space, and a shoulder formed in the supporting base and defining a through hole located between the first receiving space and the second receiving space; an adjusting rod mounted in the support base and having a front end passing through the through hole of the shoulder and a rear end mounted to the fixed rod, and an annular shoulder mounted on the middle of the adjusting rod and received in the second receiving space of the supporting base; and an elastic tube mounted in the second receiving space of the supporting base and having a front end urged on the shoulder of the supporting base and a rear end urged on the annular shoulder of the adjusting rod.