Patent ID: 7717157

Claim:
A sun shade apparatus comprising: a motor; a pair of outer tubes provided at opposite ends of a window portion, at least one of said outer tubes being divided to have a first tube and a second tube; a pair of cables provided so as to be movable in a forcing-out or drawing-in direction inside each outer tube respectively by the operation of the motor; a curtain having its opposite ends respectively connected to ends of said cables, said curtain being capable of shielding the window portion by being stretched between a shielding state and an open state on the window portion with an operation for forcing out or drawing in said cables; and a length adjusting mechanism interposed between said first tube and said second tube and provided with a first connecting member provided on an end portion of said first tube and having a female thread formed therein, and a second connecting member provided on an end portion of said second tube and having a male thread formed on its outer surface and having a cylindrical portion which is screwed into said female thread of said first connecting member, and on which a fastening nut member abutting against an end surface of said first connecting member is provided, wherein said first connecting member includes: a first engaging nut member provided on the end portion of said first tube and engaging with a first terminal member having a projecting portion formed on its outer periphery; and a connecting nut member having at its one end a first bolt portion capable of pinching said projecting portion by screwing into said first engaging nut member and, having at the other end said female thread screw-engaging with the male thread of said second connecting member.