Torch assembly

Abstract

Provided is a torch assembly comprising a body having a first end and a second end opposite the first end, an ignitor assembly, and a burn tube comprising a first portion oriented in a direction of a longitudinal axis of the body and having a first diameter, and a second portion having a bend configured to direct the flame of the torch in a direction with respect to the longitudinal axis, the second portion having a second diameter greater than the first diameter. The angle of the bend can be ninety-degrees with respect to the longitudinal axis. The torch can further include a trigger lock mechanism to restrict movement of a trigger and a run lock mechanism configured to hold the trigger in an on position.

What is claimed is: 
     
         1 . A torch assembly configured to produce a flame, the torch assembly comprising:
 a body having a first end and a second end opposite the first end;   an ignitor assembly disposed within the body to produce a flame; and   a burn tube proximate the second end of the body and in fluid connection with the ignitor assembly, the burn tube comprising:
 a first portion extending from the second end of the body, the first portion oriented in a direction of a longitudinal axis extending from the first end of the body to the second end of the body, the first portion having a first diameter; and 
 a second portion comprising a first section oriented in a direction of the longitudinal axis and a second section oriented at an angle with respect to the longitudinal axis thereby forming a bend in the burn tube, the bend configured to direct the flame of the torch assembly at the angle with respect to the longitudinal axis, the second portion having a second diameter greater than the first diameter. 
   
     
     
         2 . The torch assembly according to  claim 1 , wherein the angle is between 80 and 100 degrees. 
     
     
         3 . The torch assembly according to  claim 1 , further comprising a frustoconical transition portion located between the first portion of the burn tube and the second portion of the burn tube, the frustoconical transition portion having a first end at the first diameter and a second end at the second diameter, wherein the frustoconical transition portion is configured to transition the burn tube from the first diameter to the second diameter. 
     
     
         4 . The torch assembly according to  claim 3 , wherein the first portion of the burn tube comprises a first section and a second section, the first section comprising at least one vent and having a third diameter, and the second section being at the first diameter, the third diameter is greater than the first diameter. 
     
     
         5 . The torch assembly according to  claim 4 , wherein the first portion of the burn tube is integrally formed with the frustoconical transition portion of the burn tube, and the frustoconical transition portion is integrally formed with the second portion of the burn tube. 
     
     
         6 . The torch assembly according to  claim 1 , wherein the torch assembly further comprises a neck having a first portion and a second portion oriented at an angle with respect to the first portion, the burn tube being disposed within the neck. 
     
     
         7 . The torch assembly according to  claim 1 , wherein the bend in the second portion of the burn tube comprises a first bend radius proximate the first section of the second portion and a second bend radius proximate the second section of the second portion, the first bend radius is larger than the second bend radius. 
     
     
         8 . The torch assembly according to  claim 7 , wherein the bend radius decreases along the second portion of the burn tube in a direction from the first section to the second section such that the bend is sharper near the second section of the second portion. 
     
     
         9 . The torch assembly according to  claim 1 , further comprising a trigger moveable between an on position and an off position, the trigger biased in the off position. 
     
     
         10 . The torch assembly according to  claim 9 , further comprising a safety lock mechanism configured to restrict movement of the trigger of the torch assembly from the off position. 
     
     
         11 . The torch assembly according to  claim 10 , wherein the safety lock mechanism is moveable between a locked position and an unlocked position, the safety lock mechanism being configured to restrict movement of the trigger of the torch assembly in the off position when in the locked position, and being further configured to provide no restriction to movement of the trigger when in the unlocked position. 
     
     
         12 . The torch assembly according to  claim 9 , further comprising a run lock mechanism configured to hold the trigger of the torch assembly in the on position when a user releases the trigger. 
     
     
         13 . The torch assembly according to  claim 12 , wherein the run lock mechanism is moveable between an engaged position and a disengaged position, the run lock mechanism being configured to hold the trigger of the torch assembly in the on position when in the engaged position, and being further configured to provide no restriction to movement of the trigger when in the disengaged position. 
     
     
         14 . The torch assembly according to  claim 13 , wherein the run lock mechanism is transitioned from the engaged position to the disengaged position when the trigger is moved to the on position. 
     
     
         15 . The torch assembly according to  claim 1 , further comprising a fuel canister to supply a fuel to the ignitor assembly. 
     
     
         16 . A torch comprising:
 a body having a first end and a second end opposite the first end;   an ignitor assembly disposed within the body to produce a flame; and   a burn tube proximate the second end of the body and in fluid connection with the ignitor assembly, the burn tube comprising:
 a first portion extending from the second end of the body, the first portion oriented in a direction of a longitudinal axis extending from the first end of the body to the second end of the body, the first portion having a first diameter; 
 a second portion comprising a first section oriented in a direction of the longitudinal axis and a second section oriented at an angle with respect to the longitudinal axis thereby forming a bend in the burn tube, the bend configured to direct the flame of the torch at the angle with respect to the longitudinal axis, the second portion having a second diameter greater than the first diameter; and 
 a frustoconical transition portion located between the first portion of the burn tube and the second portion of the burn tube, the frustoconical transition portion having a first end at the first diameter and a second end at the second diameter, wherein the frustoconical transition portion is configured to transition a diameter of the burn tube from the first diameter to the second diameter. 
   
     
     
         17 . The torch according to  claim 16 , wherein the angle is between 80 and 100 degrees. 
     
     
         18 . The torch according to  claim 16 , wherein the first portion of the burn tube comprises a first section and a second section, the first section comprising at least one vent and having a third diameter and the second section being at the first diameter, the third diameter is greater than the first diameter and less than the second diameter. 
     
     
         19 . A torch comprising:
 a burn tube in fluid connection with an ignitor assembly, the burn tube comprising:
 a bottom portion oriented in a direction of a longitudinal axis extending from a first end to a second end of a body of the torch, the bottom portion having a first diameter, the bottom portion of the burn tube comprises a first section and a second section; 
 a top portion comprising a first section oriented in a direction of the longitudinal axis and a second section oriented at an angle with respect to the longitudinal axis thereby forming a bend in the burn tube, the bend configured to direct a flame of the torch at the angle with respect to the longitudinal axis, the top portion having a second diameter greater than the first diameter; and 
 a frustoconical transition portion located between the top portion of the burn tube and the bottom portion of the burn tube, the frustoconical transition portion having a first end at the first diameter and a second end at the second diameter, wherein the frustoconical transition portion is configured to transition a diameter of the burn tube from the first diameter to the second diameter, and 
   wherein the first section of the bottom portion has a third diameter and the second section of the bottom portion is at the first diameter, the third diameter is greater than the first diameter and less than the second diameter.   
     
     
         20 . The torch according to  claim 19 , wherein the angle is between 80 and 100 degrees.