Ring airfoil launcher

F - Mech Eng,Light,Heat,Weapons – 41 – B

Patent

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Details

F41B 7/08 (2006.01) F41B 7/00 (2006.01) F42B 10/36 (2006.01)

Patent

CA 2291108

A toy for launching ring airfoils comprises a member (58), a ring airfoil support (60) mounted on the member, and a propelling element (62) for moving the support along the member from a first to a second position. The ring airfoil moves with the ring airfoil support as the ring airfoil support moves as the support decelerates at the second position, the ring airfoil is launched forward. The member may include a helical channel (68) which receives a pin (78) attached to the support to impart spin to the support and ring airfoil. The toy may include a protective housing (32), a return element (34) to move the support to a launch-ready position, and a trigger (106) to release the support for forward movement. Components of the toy are designed so that the characteristics of the ring airfoil are within certain safety limitations.

Ce jouet servant à lancer des ailes annulaires comporte un élément (58) sur lequel est monté un support d'aile annulaire (60) ainsi qu'un élément propulseur (62) déplaçant le support le long de l'élément et le faisant passer d'une première à une seconde position. L'aile annulaire se déplace en même temps que son support lorsqu'un mouvement est imprimé à celui-ci et, lorsque la vitesse du support se ralentit à hauteur de la seconde position, l'aile annulaire part en avant. L'élément susmentionné peut comporter un canal hélicoïdal (68) logeant une tige (78) attachée au support pour imprimer un mouvement tournant au support et à l'aile annulaire. Le jouet peut être pourvu d'une enveloppe protectrice (32), d'un élément de retour (34) servant à mettre le support en position de lancement et d'un déclencheur (106) libérant le support en vue de son déplacement vers l'avant. Les constituants du jouet ont été conçus de manière à faire entrer cette aile dans le cadre de certaines limites imposées par des principes de sécurité.

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