Patent ID: 9605668
Date: 2017-03-28
CPC Classifications: F04B

Claim:
1. A diaphragm pump comprising: a first plate; a second plate; a diaphragm having first and second oppositely facing sides; a fluid chamber defined by the first plate and the first side of the diaphragm; a fluid inlet fluidly coupled to the fluid chamber; a fluid outlet fluidly coupled to the fluid chamber; an air chamber defined between the second plate and the second side of the diaphragm, wherein the diaphragm is retained between the first plate and the second plate; a first clamp moveable between a first position in which the first clamp fixedly couples the first plate, the second plate and the diaphragm, and a second position in which the first clamp uncouples the first plate, the second plate and the diaphragm to permit disassembly of the first plate, the second plate and the diaphragm; and wherein the diaphragm includes a circumferential flange portion trapped between the first and second plates, the flange portion having an aperture, the pump further comprising a pin extending through the aperture in the diaphragm flange portion and received in each of the first and second plates, the pin fixedly coupling the diaphragm between the first plate and the second plate.