Patent ID: 7997511

Claim:
A portable texture-spraying apparatus having a tank assembly for providing a user access thereto, the tank assembly comprising: a body with an inner wall and an outer wall, wherein the body has an upper end and a lower end; a piston assembly slidably engaged to the inner wall forming a hermetic seal therewith, one or more tie rods laterally disposed on the outer wall of the body; a set of fasteners each having a top head, an intermediate shoulder, and a threaded portion that is threadably engaged to a tie rod of the one or more tie rods; and a top-cap assembly, wherein the top-cap assembly, the inner wall of the body, and the piston assembly define an air-side chamber, the top-cap assembly comprising: (1) a clamping member fixedly attached to the body, wherein the fixable attachment is made upon capturing the clamping member between the intermediate shoulder of at least one of the set of fasteners and the upper end of the body; (2) a removable member having a set of mounting apertures, the mounting apertures comprising an assembly hole intersecting with a retaining slot, wherein each of the set of mounting apertures corresponds to each of the set of fasteners, respectively; and (3) a seal compressed between the removable member and the inner wall of the body such that, upon rotating the removable member to an assembled position, the air-side chamber is rendered sealed; wherein each assembly hole is configured to receive the top head of a fastener of the set of fasteners, wherein upon rotating the removable member to the assembled position each retaining slot is configured to translate to be generally interdisposed between the top head and the intermediate shoulder of one or more of the set of fasteners, thereby securing the removable member to the clamping member.