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Priority to ES1970164122UpriorityCriticalpatent/ES164122Y/en
Publication of ES164122UpublicationCriticalpatent/ES164122U/en
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Publication of ES164122YpublicationCriticalpatent/ES164122Y/en
Toy helicopter characterized by comprising a mechanism consisting of a gear wheel arranged on the axis of the front wheels which attacks in its bottom toothed to a tubular piece that vertically, extends to the top of the device and guided on a fixed shaft finished in a two-bladed propeller, having provided between both a bowl in the center, at the bottom, has carved a toothed or crown on which attacked a pinion mounted on a sliding support on the fixed shaft and which in turn, it transmits movement to a second set of two-blade propellers arranged superiorly and with an analogous toothed crown thus rotating both propellers in the opposite direction when turning the wheels of the apparatus. (Machine-translation by Google Translate, not legally binding)
ES1970164122U1970-12-091970-12-09
TOY HELICOPTER.
ExpiredES164122Y
(en)
A mechanism of action of a boom propeller that allows a 360ยบ turn of the position of its axis. (Machine-translation by Google Translate, not legally binding)