Patent ID: 7878027

Claim:
A glassware forming machine blowhead arm assembly that includes: a one-piece blowhead arm body having at least one longitudinal air passage and a plurality of lateral air passages connected to said one longitudinal air passage, a plurality of blowhead chucks removably received in first ends of said lateral passages, including lower ends, and hollow stems slidably received in said first ends of said lateral passages and having internal shoulders and upper ends, a plurality of removable rings on said upper ends of said hollow stems of said blowhead chucks to capture said upper ends and engage shoulders in said lateral air passages, a plurality of removable blowheads received in said lower ends of said blowhead chucks, a plurality of wear plates disposed between said blowheads and said blowhead chucks, a plurality of caps threaded into second ends of said lateral passages spaced from said blowhead chucks, a plurality of washers in said hollow stems abutting said internal shoulders, a plurality of first springs captured in compression between said caps and said plurality of washers in said hollow stems of said blowhead chucks to bias said blowhead chucks in a direction away from said caps and out of said lateral passages, and a plurality of second springs captured in compression between said washers and said wear plates, wherein blow air flows through said lateral air passages, through said springs, said wear plates, and said blowheads.