Power-Free automatic driver structure of sunshade

Abstract

A power-free automatic driver structure of a sunshade includes a transmission body, a shape-memory elastic body, a light condensation body, a driving body, and a rotary axle. The shape-memory elastic body is made of a material that undergoes deformation when heated to reach a predetermined level of temperature. The light condensation body condense and irradiates sunlight to the shape-memory elastic body to cause deformation thereof so as to have the shape-memory elastic body drive the transmission body and thus drive, via the driving body and the rotary axle, blind slat pull cords of the sunshade to move. When sunlight radiates and causes the shape-memory elastic body to reach the predetermined level of temperature, the shape-memory elastic body deforms and drives the transmission body, the driving body, and the rotary axle to operate so as to pull the blind slat pull cords of the sunshade upwards/downwards.

Dependencies are inferred from the claim text.