Patent ID: 8550440

Claim:
A buffer mechanism, comprising: a base seat defining a chamber and a bottom hole communicating with the chamber; a connecting shaft received in the base seat and one end of the connecting shaft extending through the bottom hole, and the connecting shaft comprising a blocking portion received in the chamber for preventing the connecting shaft detaching from the base seat, the connecting shaft defining a receiving hole axially and a plurality of mounting holes communicating with the receiving hole; a guiding rod fixed to the base seat, the guiding rod comprising a first end extending out of the base seat and an inserting portion formed at a second end opposite to the first end, the inserting portion being received in the receiving hole and comprising an abutting surface tapered toward the second end; a buffer sleeved on the connecting shaft within the base seat; a plurality of rolling bodies mounted in the mounting holes and resisted between the abutting surface and the buffer; and a resilient member resisted between the guiding rod and the blocking portion.