Folding type trolley and folding method thereof
A foldable, trolley technology
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[0031] Such as image 3 As shown, the trolley 100 of the present invention includes a bottom frame 110 , a first side frame 120 , a rear frame 130 , a second side frame 140 , and at least one pair of door frames 150 . Wherein, the first side frame 120 is fixedly connected to one side of the rear frame 130 , and the first side frame 120 is arranged perpendicular to the rear frame 130 ; and the second side frame 140 is rotatably connected to the other side of the rear frame 130 . Preferably, an extension portion 135 is provided on a side where the rear frame 130 is connected to the second side frame 140 , the extension portion 135 is substantially parallel to the first side frame 120 and has a predetermined width. The second side frame 140 is connected to the extension part 135 of the rear frame and can rotate relative to the extension part 135 . The bottom frame 110 is connected to the bottom of the rear frame 130 and is rotatable relative to the rear frame 130 . The door fra...
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