Patent ID: 7740327
Filing Date: 2010-06-22
Classification: A47B

Abstract:
1. A drawer buffer comprising: a base having a guide rod projecting from a front end of the base; a cylinder fixed in the base and having a piston rod with a projecting column on a front end of the piston rod; the guide rod having a body with a sliding chute located in a middle of the body for giving a moving space for the piston rod; the guide rod having a guideway located in a side face of the body to coordinate with the projecting column of the piston rod, a front end of the guideway being connected with a positioning slot; and a plate having a guiding slot for pulling and pushing the projecting column into the positioning slot; wherein the cylinder and the piston rod have an elliptical cross section, and a tail of the cylinder is linked with a head of the piston rod via a spring.