Patent ID: 7770754

Claim:
A removable and replaceable dispensing head for a fluid dispensing system adapted to deliver the fluid to a user, comprising: a. a shank having a hollow portion extending on an axis; b. a shank hub attached to said shank, said shank hub extending in a radial direction relative to said axis at one end of said shank; c. said shank hub including an aperture extending therethrough, said aperture aligned with the hollow portion of said shank; d. a first fixed body removably attached to said shank hub, said first fixed body and said shank hub having corresponding first attachment means arrayed in a predetermined pattern; e. said hollow portion, said aperture in said shank hub and said fixed first body providing a fluid conveyance path; f. a second fixed body having second attachment means arrayed in said predetermined pattern, said second attachment means corresponding to said first attachment means in said shank hub enabling removable attachment of said second fixed body to said shank hub upon removal of said first fixed body from said shank hub; g. a sensor assembly disposed in a first chamber formed in said first fixed body when said corresponding first attachment means are attached and in a second chamber formed in said second fixed body when said second attachment means is attached to said first attachment means in said shank hub; h. a hub spacer mounted between said shank hub and said first fixed body and said second fixed body, a mounting element attached to said hub spacer, said sensor assembly being mounted on said mounting element.