Importance

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Abstract

An arm linkage foldable device for a UAV (unmanned aerial vehicle) includes a linkage module and two connection modules. The linkage module includes a guided structure and a slider. The slider slides along the guided structure. Two aircraft arms located at two sides of the fuselage are respectively connected with two sides of a slider through the two connection modules, a joint of every connection module and the slider is rotatable. A protruding portion is located on every connection module, a slide groove is provided on the fuselage corresponding to the protruding portion, the protruding portion is inserted into the slide groove and slides along the slide groove. The slider moves along the guided structure to drive one connection module to move, the connection module drives one aircraft arm to move with the slider and rotate relatively to the slider, so that the aircraft is unfolded or folded.

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First Claim