US 12,258,953 B2
Liquid product dispensing system and method
Gerald Dobbins, Skokie, IL (US); Timothy Peter Doelman, Glencoe, IL (US); John Hengesbach, Carmel, IN (US); and Brett Malsom, West Fargo, ND (US)
Assigned to fairlife, LLC, Chicago, IL (US)
Filed by fairlife, LLC, Chicago, IL (US)
Filed on Nov. 6, 2023, as Appl. No. 18/502,658.
Application 18/502,658 is a division of application No. 17/397,274, filed on Aug. 9, 2021, granted, now 11,821,415.
Application 17/397,274 is a division of application No. 15/682,376, filed on Aug. 21, 2017, granted, now 11,085,435, issued on Aug. 10, 2021.
Application 15/682,376 is a division of application No. 13/689,517, filed on Nov. 29, 2012, granted, now 9,739,272, issued on Aug. 22, 2017.
Prior Publication US 2024/0141884 A1, May 2, 2024
Int. Cl. F04B 43/08 (2006.01); B67D 1/00 (2006.01); B67D 1/10 (2006.01); B67D 1/12 (2006.01); F04B 43/12 (2006.01); B67D 1/08 (2006.01)
CPC F04B 43/08 (2013.01) [B67D 1/0031 (2013.01); B67D 1/108 (2013.01); B67D 1/122 (2013.01); F04B 43/1261 (2013.01); F04B 43/1292 (2013.01); B67D 1/0044 (2013.01); B67D 1/0051 (2013.01); B67D 1/0842 (2013.01); B67D 1/0864 (2013.01); B67D 1/0888 (2013.01); B67D 2210/0006 (2013.01); Y10T 29/49716 (2015.01)] 20 Claims
OG exemplary drawing
 
1. A method for changing materials in a beverage dispensing system, the method comprising:
rotating a pump door handle to release a pump door;
moving the pump door to disengage the pump door from a first product base tube located between the pump door and a pump roller;
removing the first product base tube from between the pump door and the pump roller;
placing a second product base tube between the pump door and the pump roller; and
rotating the pump door handle to engage the pump door with the second product base tube and the pump roller, wherein the moving the pump door further comprises moving a first door link coupled to the pump door, wherein a first end of the first door link is coupled to the pump door at a first point and a second end of the first door link is a pivot point around which the first door link is rotatable, wherein the pump door is rotatable around the first point, wherein the pivot point has a first axis of rotation parallel with a second axis of rotation of the pump roller, and wherein a second end of the pump door is unencumbered by attachments, the second end being distal from the first point.