US 11,835,154 B2
Ringless zero clearance closure
Francis P. Marocchini, Somers, CT (US); Robert DeFelice, South Windsor, CT (US); and Lukasz Burek, Portland, CT (US)
Assigned to Hamilton Sundstrand Corporation, Charlotte, NC (US)
Filed by Hamilton Sundstrand Corporation, Charlotte, NC (US)
Filed on Jul. 23, 2021, as Appl. No. 17/384,591.
Prior Publication US 2023/0027605 A1, Jan. 26, 2023
Int. Cl. F16K 41/04 (2006.01); F16K 41/16 (2006.01); F16K 27/04 (2006.01); F16B 21/18 (2006.01)
CPC F16K 41/04 (2013.01) [F16K 27/041 (2013.01); F16K 41/16 (2013.01); F16B 21/18 (2013.01); Y10T 137/6065 (2015.04)] 11 Claims
OG exemplary drawing
 
1. A closure assembly comprising:
a retaining cover;
a first catch plate sitting partially within the retaining cover;
a second catch plate sitting partially within the retaining cover opposite the first catch plate, wherein the first catch plate and the second catch plate are defined by an outward radially facing side that is curved in an axial direction defining a convex lens shape, wherein the first catch plate and the second catch plate are defined by an inward facing side that is narrower than the outward radially facing side, wherein the outward radially facing side is connected to a first axial facing side and a second axial facing side, wherein the first axial facing side is connected to the second axial facing side by a front chamfer and a rear chamfer; and
a closure pressing against the first catch plate and pressing against the second catch plate.