Patent ID: 9745772
Date: 2017-08-29
CPC Classifications: A45B,A45F,E04H

Claim:
1. A back-type expanding and opening foldable sunshade apparatus, characterized in that: the apparatus comprises a back frame, on which an opening device with an adjustable opening/closing range is mounted; the opening device comprises a rotating means able to rotate in a lockable manner, a rotation and expansion mechanism for driving the opening device to be transversely expandable, and an outer support and an inner support able to rotate with the rotating means; a flexible shade covers between the outer support and the inner support; and the outer support and the inner support can fold up and open by way of transversely expanding under the drive of the rotating means and the rotation and expansion mechanism, wherein the rotating means comprises an outer rotating member and an inner rotating member, wherein the outer support is fastened and fixed to the outer rotating member and the inner support is fastened and fixed to the inner rotating member, wherein a first rotating shaft of the outer rotating member is intersected with a second rotating shaft of the inner rotating member, and wherein the rotation and expansion mechanism provides a cross travel for the outer support and inner support in a manner including spiral moving or stretching moving.