US 11,873,990 B2
Backpacking stove having tip valve
Ryan Paul Chartier, Manchester, NH (US); Michael Edward Hebert, Jr., Milford, NH (US); Adam Emery Wilcox, Candia, NH (US); and Michael Steven Siopis, Hooksett, NH (US)
Assigned to Johnson Outdoors Inc., Racine, WI (US)
Filed by Ryan Paul Chartier, Manchester, NH (US); Michael Edward Hebert, Jr., Milford, NH (US); Adam Emery Wilcox, Candia, NH (US); and Michael Steven Siopis, Hooksett, NH (US)
Filed on Nov. 18, 2021, as Appl. No. 17/529,537.
Claims priority of provisional application 63/115,292, filed on Nov. 18, 2020.
Prior Publication US 2022/0154928 A1, May 19, 2022
Int. Cl. F23D 14/46 (2006.01); F24C 3/14 (2021.01)
CPC F23D 14/46 (2013.01) [F24C 3/14 (2013.01); F23D 2208/00 (2013.01); F23D 2900/21 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A tip valve for a cook system having a burner base housing a burner within a shroud configured to combust fuel from an external fuel canister, comprising:
a fuel canister connector body having a threaded connector configured to threadably connect to the external fuel canister, the fuel canister connector body defining a bore therethrough, the bore having a portion configured to house a ball bearing therein, the portion of the bore having a first diameter at a first end of the portion of the bore nearest the threaded connector and a second diameter smaller than the first diameter at a second end of the portion of the bore opposite the first end;
an actuator pin fixably positioned proximate the first end of the portion of the bore;
a tip seal positioned proximate the second end of the portion of the bore; and
the ball bearing movably positioned in the portion of the bore between the actuator pin and the tip seal.