Patent ID: 9079598
Filing Date: 2015-07-14
Classification: B62B

Abstract:
1. A foldable trolley, comprising: a chassis frame, which comprises: a first frame, which is mounted on the chassis frame and has an end forming a first connection end and an opposite end forming a second connection end, the first connection end being coupled to the first driver device so that the first driver device selectively drives the first frame to rotate, the first frame comprising a third link pivotally connected thereto at a location adjacent to the first connection end, the third link having a free end to which a slide block is pivotally connected, the slide block comprising an engaging section, the slide block comprising a sixth pivotal joint section formed in each of two opposite side portions thereof, the engaging section being engageable with the slide rails of the shaft, the sixth pivotal joint sections being respectively and pivotally connected to the fifth pivotal joint sections of the second links so that the second links are in operative and synchronously movable coupling with the slide block; and a second frame, which is connected to the first frame and has an end forming a third connection end and an opposite end forming a fourth connection end, the third connection end being coupled to a second driver device, so that the second driver device selectively drives the second frame to rotate, the second driver device comprising a coupling section, the coupling section being coupled to the second connection end of the first frame so that the second frame and the first frame are connected to each other.