| 主权项 |
1. A net throwing device comprising:
a casing including a front chamber, a plurality of inclined tubes disposed around a front end of the front chamber, an inner tube disposed rearward of the front chamber and having an aperture member, an outer tube disposed rearward of the front chamber with the inner tube disposed therein, the outer tube having an aperture element, and a rear cap threadedly secured to a rear end of the outer tube; an air canister for containing compressed air fastened in the inner tube; a spring biased piercing member slidably disposed between the front chamber and the air canister; a spring biased lock pin disposed in the piercing member and having an end disposed in the aperture member to lock the piercing member; a spring biased rod member disposed through the aperture element; a cam member engaging the rod member; an antenna disposed externally of the casing; a receiver disposed in the casing and connected to the antenna; a processor electrically connected to the receiver; an electric motor electrically connected to the processor; and a net received in the front chamber and including a plurality of weights at an edge, the weights being disposed in the inclined tubes respectively; wherein in response to receiving infrared (IR) light pulses by the receiver via the antenna, and receiving a digital signal representing the IR light pulses by the processor, the processor activates the electric motor which in turn rotates the cam member, the rod member is depressed by the cam member, the lock pin is pressed by the rod member to clear the aperture member, the piercing member is unlocked to push toward and pierce the air canister, the pierced air canister is configured to release compressed air, and the compressed air flows to the inclined tubes to push the weights out of the tubes, thereby launching the net. |
