Patent ID: 6648629
Filing Date: 2003-11-18
Classification: F23Q

Abstract:
An ignition actuation mechanism for a piezoelectric ignition lighter, comprising:a lighter body, an actuation member adapted to be moved through an actuation stroke, said actuation member having a load to resist actuation; a piezoelectric mechanism having a spring load and adapted to be depressed by actuation of said actuation member in one direction to generate discharge voltage and to spark between discharge electrodes for igniting a fuel gas, wherein the load to resist actuation of the actuation member is a sharply increased value during an actuation stroke up to a point of generating a discharge voltage by depressing of the piezoelectric mechanism, wherein a resilient member having a resilient load is disposed between the actuation member and the lighter body, said resilient member adapted to be resiliently compressed during the actuation stroke of the piezoelectric mechanism, wherein the spring load of the piezoelectric mechanism acts as resistance to the actuation member at an initial stage of the actuation stroke of the piezoelectric unit, wherein the resilient load of the resilient member is made to act as a resistance to actuation of the actuation member in addition to the spring load of the piezoelectric mechanism during the actuation stroke, wherein the resilient member comprises at least one torsion plate integral with the actuation member.