Gas valve lock

Claim 1

A fuel valve hold open lock for use in association with trigger controlled fuel delivery valve assemblies equipped with trigger guards having slots therethrough adjacent a free end of a trigger comprising: a freely removable substantially U-shaped cross section elongated member having opposed spaced sidewalls interconnected by and projecting from a bight base, the sidewalls having a longitudinal length, the base having a longitudinal length greater than the length of the sidewalls and extending beyond longitudinal ends of the sidewalls, the sidewalls being dimensioned to have longitudinal lengths approximately equal to the longitudinal length of the trigger guard slots of standard fuel delivery valve assemblies, the sidewalls being spaced from one another so as to have an overall width substantially equal to the width of standard trigger guard slots, the sidewalls are insertable into said standard trigger guard slot, the sidewalls being segmented forming longitudinally spaced gaps, the gaps providing projecting ledges formed by sidewall segment edges extending away from said bight, the ledges dimensioned to engage the free end of the trigger when the sidewalls are inserted in a slot of the standard trigger to hold the trigger of a valve assembly at one of a plurality of fuel flow positions and means including the dimensioning of the sidewalls tending to retain the lock in the slots against accidential dislodgement there from.