Piezoelectric lighter which has a higher level of difficulty...

Details Piezoelectric lighter which has a higher level of difficulty... Piezoelectric lighter which has a higher level of difficulty...

H - Electricity

01

L

H01L 41/08 (2006.01) F23Q 2/28 (2006.01) F23Q 3/00 (2006.01)

Patent

CA 2276248

The piezoelectric ignition mechanism (10) of the present invention has a telescopic assembly having an inner (14) and an outer (12) members aided by a return spring (16) for maintaining a maximum extension between the members. The inner member includes a piezoelectric element (24) which is immobilized between an anvil (22) and impact pad (26) over which a plexor (28) strikes to generate a spark. An impact spring (30) for aiding the plexor is guided in the interior of the telescopic assembly and is disposed between the plexor and an end member connected to the outer telescopic member. A resistant spring (50) is also disposed at or near the end member to provide additional resistance to the operation of the piezoelectric mechanism in order to discourage the undesirable operation by young users.

L'invention concerne un mécanisme d'allumage piézo-électrique équipé d'un ensemble télescopique, ce dernier étant doté d'un élément intérieur et d'un élément extérieur assistés par un ressort de rappel afin de maintenir un écart maximal entre ces éléments. L'élément intérieur comporte une pièce piézo-électrique qui est immobilisée entre une butée et une plage d'impact sur laquelle frappe un marteau pour produire une étincelle. Un ressort d'impact destiné à assister le marteau est guidé à l'intérieur de l'ensemble télescopique, et est placé entre le marteau et un élément d'extrémité connecté à l'élément télescopique extérieur. Un ressort résistant est également placé sur, ou à proximité de l'élément d'extrémité pour fournir une résistance supplémentaire au fonctionnement du mécanisme piézo-électrique dans le but de dissuader de jeunes utilisateurs de faire fonctionner le briquet.

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