The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 30, 1997
Filed:
Jun. 10, 1996
Carl Winefordner, Costa Mesa, CA (US);
Frank Hermansen, Costa Mesa, CA (US);
Sheico USA, Carlsbad, CA (US);
Abstract
A snorkel pump comprising a pair of tubular members, one of which is moveable in coaxial slidable engagement with the other, and both of which are in fluid communication with the remaining length of the snorkel tube. The pump also comprises a pair of one-way valves coaxially spaced depending upon the relative positions of the two tubular members and a spring positioned between the two valves to compressively resist and thus facilitate reciprocal motion of the moveable tubular member relative to the other. Such reciprocal motion creates a suction effect which draws water away from the mouthpiece region and propels it through the two valves and out the bottom end of the snorkel tube. The mouthpiece support is formed as an integral part of one such tubular member which is, in turn, secured axially to the remaining elongated section of the snorkel tube. The moveable tubular member of the pump provides one of the two valves and the other, a fixed tubular member, provides the other of the two valves. The valves may be mushroom flap-type valves which are configured to permit water flow in only a unitary direction away from the mouthpiece and toward the bottom or lower end of the snorkel.