Child-resistant lighter having a flexing latch

F - Mech Eng,Light,Heat,Weapons – 23 – Q

Patent

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Details

F23Q 2/16 (2006.01) F23Q 2/34 (2006.01)

Patent

CA 2439479

The present invention relates to disposable cigarette lighters. The lighter (8) preferably includes a latch member (16), which in its initial condition blocks movement of the actuator (10) in order to resist inadvertent operation and to make undesirable operation by unintended operators more difficult. The lighter contains additional or alternative forces on the latch member (16) to improve the ability of the latch member (16) to return to a blocking position over the life of the lighter and to improve the consistency of the latch member's movement and return. This additional or alternative force may be provided by a bending moment or flexing force preferably applied to the latch member (16) through a flexing mechanism to flex the latch along at least a portion of its length. Alternatively or in addition to, a biasing member (45) may assist in returning the latch member to the initial position.

L'invention concerne se rapporte à des briquets jetables. Le briquet (8) décrit comprend de préférence un élément (16) de verrouillage qui à l'état initial bloque le mouvement de l'actionneur (10) de manière à empêcher un actionnement involontaire et de rendre plus difficile un actionnement indésirable du briquet par des personnes auxquelles il n'est pas destiné. Ce briquet comprend des forces additionnelles ou alternatives s'exerçant sur l'élément (16) de verrouillage afin d'améliorer la capacité de retour à la position de blocage de l'élément (16) de verrouillage pendant la durée de vie du briquet et d'améliorer la fidélité du mouvement et du retour de l'élément de verrouillage. Cette force additionnelle ou alternative peut être produite par un moment de flexion ou par une force de flexion appliqué de préférence à l'élément (16) de verrouillage au moyen d'un mécanisme de flexion qui fléchit le verrou sur au moins une partie de sa longueur. A la place de ce mécanisme ou en complément de celui-ci, un élément (45) de contrainte peut venir assister le retour de l'élément de verrouillage dans sa position initiale.

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