Lighter having safety device

Abstract

A lighter includes a gas tank, a piezoelectric ignition device having a piezoelectric contact disposed in a housing, a hammer slidably received in the housing, an actuating member slidably received in the housing and depressible by a user to move and to selectively actuate the hammer to strike onto the piezoelectric contact and to generate sparks, a spring member is engaged between the actuating member and the hammer, a safety device is disposed close to the actuating member for being selectively depressed by the actuating member to resist the final movement of the actuating member and for preventing the lighter from being actuated or ignited by small children inadvertently.

1 . A lighter comprising:
 a gas tank including a chamber formed therein for storing fuel gas, and including a compartment formed therein,   a gas supply tube disposed in said chamber of said gas tank and including an end portion extended out of said gas tank for supplying the fuel gas out of said gas tank,   a housing disposed in said compartment of said gas tank and having a space formed therein,   a piezoelectric contact disposed in said housing,   a hammer slidably received in said space of said housing,   an actuating member slidably received in said space of said housing and depressible by a user to move and to engage with said hammer and to selectively actuate said hammer to strike onto said piezoelectric contact and to generate sparks,   a spring member engaged between said actuating member and said hammer for spacing said hammer from said actuating member and for being selectively compressed by said actuating member, and   a safety device disposed in said compartment of said gas tank and disposed close to said actuating member for being selectively depressed by said actuating member, and   said actuating member being depressible and movable relative to said hammer for a first moving distance to compress said spring member onto said hammer before contacting with said safety device, and then engageable with said safety device and depressible and movable relative to said hammer for a second moving distance to compress said safety device before actuating said hammer to strike onto said piezoelectric contact.   
   
   
       2 . The lighter as claimed in  claim 1 , wherein said safety device includes a bore formed therein for slidably receiving said actuating member. 
   
   
       3 . The lighter as claimed in  claim 1 , wherein said actuating member includes an enlarged head provided thereon for engaging with and for compressing said safety device. 
   
   
       4 . The lighter as claimed in  claim 1 , wherein a thumb-push cap is slidably attached to said gas tank and engaged with said actuating member for depressing said actuating member against said spring member. 
   
   
       5 . The lighter as claimed in  claim 1 , wherein said housing includes at least one guide groove formed therein, said hammer includes at least one projection extended therefrom and slidably received in said at least one guide groove of said housing for guiding said hammer to strike onto said piezoelectric contact. 
   
   
       6 . The lighter as claimed in  claim 5 , wherein said at least one guide groove of said housing includes a lateral groove segment and a vertical groove segment formed therein, said lateral groove segment of said housing receives and supports said at least one projection said hammer when said actuating member compress said spring member onto said hammer. 
   
   
       7 . The lighter as claimed in  claim 5 , wherein said actuating member includes at least one inclined actuating groove formed therein for slidably receiving said at least one projection of said hammer and arranged for allowing said actuating member to be moved relative to said hammer and said housing before said actuating member is engaged with said at least one projection of said hammer. 
   
   
       8 . The lighter as claimed in  claim 1 , wherein a recovering spring is received in said space of said housing and engaged with said hammer for spacing said hammer from said piezoelectric contact.