Expandable trolley

Abstract

The present invention relates to an expandable trolley comprising an interfaced pair of preferably rigid semi-bodies, between which a perimeter band of soft material is mounted and closed by a corresponding perimeter zipper; it being provided that said trolley is provided on the outside of said soft intermediate band with a basically perimeter second zipper, the toothed sides of which are mounted on the interfaced borders of said semi-bodies.

Description

technical field [0001] The invention relates to a retractable and expandable travel trolley case. Background technique [0002] At present, the use range of the trolley case is very wide. It has a vertical shape structure, and is also equipped with one or two pairs of wheels that can slide on the ground, and an extended traction handle. [0003] Despite their widespread use, there are still increasing demands placed on this type of luggage, namely that its dimensions need to be limited. [0004] The above problems are actually mentioned in many places, whether it is in the family, when people need to store a suitcase that is not in use temporarily, or in the "use process", such as when you need to put the suitcase in the cargo hold, or Put luggage on the luggage rack on the plane, or put it in the trunk of the car, or put it on the luggage rack of the train. [0005] In fact, it should be said that there have been trolley cases produced for these specific needs before, tha...

AI Technical Summary

Problems solved by technology

[0017] Well, although it has to be admitted that such a similar technology has been widely used, it must be pointed out that, just by the setting of the above-mentioned two side-by-side zippers 10, 20, it also has a non-negligible defect

[0018] In this case, in fact, apart from the above-mentioned deformability of the four-sided reinforcement belt 30 made of soft material in the middle position, the possibility of contraction of each trolley case T1 is additionally significantly limited

Images