US 11,655,811 B2
Method and apparatus for mounting a diaphragm of a pump
Bradley H. Hines, Andover, MN (US)
Assigned to Graco Minnesota Inc., Minneapolis, MN (US)
Filed by Graco Minnesota Inc., Minneapolis, MN (US)
Filed on Apr. 29, 2022, as Appl. No. 17/733,390.
Claims priority of provisional application 63/190,645, filed on May 19, 2021.
Prior Publication US 2022/0372969 A1, Nov. 24, 2022
Int. Cl. F04B 53/22 (2006.01); F04B 43/02 (2006.01)
CPC F04B 53/22 (2013.01) [F04B 43/02 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A method of mounting diaphragms to a pump, the method comprising:
reducing a pressure in a first pumping chamber defined by a first diaphragm and a first cover, the first cover mounted to a center section of the pump such that the first diaphragm is clamped between the first cover and the center section;
drawing the first diaphragm in a first direction into the first pumping chamber by the reduced pressure to draw a second diaphragm linked to the first diaphragm in the first direction and place the second diaphragm in a mounting position relative to the center section; and
mounting a second cover to the center section such that the second diaphragm is clamped between the second cover and the center section.