Importance

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Abstract

A telescopic mast with built-in belt ropes is disclosed. A telescopic mast with built-in belt ropes according to an embodiment of the present disclosure may include a plurality of joint bodies having different outer diameters, a plurality of belt ropes connecting the joint bodies in order to operate the joint bodies simultaneously, collar parts coupled to tops of the respective joint bodies, in which guide rollers that guide the movement of the belt ropes are embedded in one side and the other side on an opposite portion thereof, a belt rope stator coupled to a bottom of a lowermost joint body having the largest diameter among the plurality of joint bodies, to which both ends of any one belt rope are fixed, and belt rope guides coupled to bottoms of the respective joint bodies excluding the lowermost joint body, to which both ends of any one belt rope are fixed and the other belt rope is movably coupled, wherein the plurality of joint bodies are assembled to overlap one another to constitute a telescopic structure whose length is adjustable, the remaining belt ropes excluding a lowermost belt rope among the plurality of belt ropes connect two joint bodies spaced apart from each other with one joint body in the middle therebetween, and the belt ropes connecting two joint bodies spaced apart from each other pass into a joint body positioned in the middle of the two joint bodies to be connected.

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First Claim