3/20/2023 0 Comments Car fuel filler neck syphoner hoseThe anti-siphon device of claim 1 wherein the flighting is incompressible.ġ3. The anti-siphon device of claim 1 wherein the flighting has a length and an outer edge residing adjacent an inner surface of the tube along the full length of the flighting.ġ2. The anti-siphon device of claim 1 wherein the tube has an upper flared end to prevent the tube from falling through the throat.ġ1. The anti-siphon device of claim 1 wherein the tube has a sidewall with holes for passage of fuel.ġ0. The anti-siphon device of claim 7 wherein the bolt and washer are removed after the sleeve is secured.ĩ. The anti-siphon device of claim 6 wherein the cross bar has a threaded opening, the device further comprising an elongated bolt with a lower end adapted to be threadably received in the opening of the cross bar, and an upper end with a washer to engage a top surface of the inner sleeve, wherein upon turning of the bolt drives the sleeve past the cams and into secured engagement with the tabs.Ĩ. The anti-siphon device of claim 4 further comprising a cross bar extending across the bottom of the tube to keep the flighting in the tube.ħ. The anti-siphon device of claim 4 wherein the sleeve has a recess for receiving the tabs.Ħ. The anti-siphon device of claim 3 wherein the sleeve is secured inside the tube by tabs on the tube.ĥ. The anti-siphon device of claim 1 further comprising an inner sleeve within the tube to force the cams from the retracted position to the expanded position and to preclude the cams from being returned to the retracted position.Ĥ. The anti-siphon device of claim 1 wherein the cams are integrally formed with the tube.ģ. A fuel anti-siphon device for preventing theft of fuel from a fuel tank, the tank having a throat and a removable cap, the device comprising: a tube insertable into the throat and having upper and lower ends flighting in the tube to allow fuel to pass into the tank and to prevent a hose from being inserted into the tank cams mounted on the tube for movement between a retracted position substantially within the tube for insertion of the tube into the throat and an expanded position substantially outside the tube to prevent the tube from being removed after installation in the throat.Ģ.
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