US 2026/0249679 A1Published application

Universal fitting anti siphon device

OwnerRobert Joseph Ponticelli, SR., Robert Joseph Ponticelli, JR.inventors

Life of this patent

Estimating the term…

Loading patent…

Abstract

An anti-siphon device configured to fit and attach to a container filler neck comprises an upper cylindrical member and a lower cylindrical member secured by upper and lower retaining rings. The upper cylindrical member includes a hollow interior, an O-ring annular groove, upper and lower annular grooves, a flange, and screw tapped holes. The lower cylindrical member includes a sidewall with apertures permitting fluid passage and a support segment configured to fit between the retaining rings. A custom-fitting neck adaptor enables installation in various container configurations, secured via set screws, spring-loaded latches with vertical attachment tabs, longitudinal slots engaging container neck protrusions, or adhesive elements. The device may incorporate an O-ring for sealing, a wave spring for shock absorption, a rubber damper to prevent tube insertion, chain mail or metal construction for the lower member, and chemically resistant adhesive for enhanced attachment strength. The device prevents siphon tube insertion while permitting normal fuel filling operations.

Claims16

Dependent claims

An anti-siphon device configured to fit and attach to a container's filler neck, the anti-siphon device comprising:

(a) An upper cylindrical member, the upper cylindrical member comprising:
(i) a sidewall, the sidewall comprising:
(1) an outer surface, the outer surface comprising:
(a) an O-ring annular groove;
(2) an inner surface;
the inner surface comprising,
(a) an upper annular groove;
(b) a lower annular groove;
(c) where the upper annular groove is oriented parallel to the lower annular groove,
(ii) a hollow interior;
(iii) an open upper end;
(iv) an open lower end;
(v) a flange;
where the flange outwardly extending from the sidewall and extending substantially perpendicular to a longitudinal axis of the cylindrical member, and
(vi) a plurality of screw tapped holes;
where the screw tapped holes extend through the upper cylindrical member into the hollow interior.
(b) a lower cylindrical member comprising:
(i) a hollow interior;
(ii) an open upper end;
(iii) a sidewall;
the sidewall comprising a plurality of apertures that permit fluid passage;
and
(iv) a support segment;
the support segment disposed at the open upper end of the lower cylindrical member, the support segment dimensioned to rest upon the lower retaining ring,
(c) an upper retaining ring;
(d) a lower retaining ring;
(e) where the upper retaining ring is configured to fit within the upper annular groove;
(f) where the lower retaining ring is configured to fit within the lower annular groove;
(g) where the support segment of the lower cylindrical member is configured to fit between the upper retaining ring and the lower retaining ring.

26 more elements

An enhanced anti-siphon device configured to fit and attach to a container's filler neck, the enhanced anti-siphon device comprising:

(a) An upper cylindrical member;
the upper cylindrical member comprising:
(i) a sidewall;
the sidewall comprising:
(1) an outer surface;
the outer surface comprising:
(a) an O-ring annular groove;
(2) an inner surface;
the inner surface comprising,
(a) an upper annular groove;
(b) a lower annular groove;
(c) where the upper annular groove is oriented parallel to the lower annular groove,
(ii) a hollow interior;
(iii) an open upper end;
(iv) an open lower end;
(v) a flange;
where the flange outwardly extending from the sidewall and extending substantially perpendicular to a longitudinal axis of the cylindrical member, and
(vi) a plurality of screw tapped holes;
where the screw tapped holes extend through the upper cylindrical member into the hollow interior.
(b) a lower cylindrical member comprising:
(i) a hollow interior;
(ii) an open upper end;
(iii) a sidewall;
the sidewall comprising a plurality of apertures that permit fluid passage;
and
(iv) a support segment;
the support segment disposed at the open upper end of the lower cylindrical member, the support segment dimensioned to rest upon the lower retaining ring,
(c) an upper retaining ring;
(d) a lower retaining ring;
(e) where the upper retaining ring is configured to fit within the upper annular groove,
(f) where the lower retaining ring is configured to fit within the lower annular groove,
(g) where the support segment of the lower cylindrical member is configured to fit between the upper retaining ring and the lower retaining ring.
(h) a custom-fitting neck adaptor;
the custom-fitting neck adaptor comprising:
(i) a sidewall;
the sidewall comprising:
(1) an upper end;
(2) a lower end;
(ii) a hollow interior;
(i) where the custom-fitting neck adaptor is sized to fit within the container filler neck,
(j) where the upper cylindrical member is sized to fit within the custom-fitting neck adaptor.

38 more elements

Dependencies are inferred from the claim text.