Patent ID: 7997645

Claim:
A holding assembly for a seat and a seat tube of a bicycle, comprising: a securing base having a top; a connecting segment formed at the top and having a top, a bottom, and a connecting device mounted on the top of the connecting segment, adapted to connect with the seat of the bicycle and having a connecting recess defined in the top of the connecting segment and having a concave bottom; two connecting bolts mounted into the bottom and protruding from the top of the connecting segment; two holding bars connected respectively to the connecting bolts in thread manners, and each holding bar having two notches defined in a bottom of the holding bar; and a supporting element held in the connecting recess and having a top provided with multiple notches aligning respectively with the notches in the holding bars to be adapted to securely hold connecting rods on the seat in cooperation with the holding bars; and a convex bottom matching with the concave bottom of the connecting recess; an engaging segment formed on and protruding from the bottom of the connecting segment, adapted to be inserted into the seat tube of the bicycle and having a top formed on and protruding from the bottom of the connecting segment; a bottom; an outer surface; and an engaging recess defined in the outer surface of the engaging segment between the top and the bottom of the engaging segment and having an inclined top surface; and an inclined bottom surface; a securing hole defined in the top of the securing base, extending through the connecting segment and into the engaging segment and communicating with the engaging recess via the inclined top surface of the engaging recess; and a securing bolt slidably and rotatably mounted in the securing hole, extending into the engaging recess and having a threaded portion; and an engaging block moveably mounted in the engaging recess between the inclined top surface and the bottom inclined bottom surface of the engaging recess to prevent the engaging block from moving out of the engaging recess and having an inclined top surface abutting with the inclined top surface of the engaging recess; and a threaded portion engaging the threaded portion on the securing bolt.