US 11,939,972 B2
Rotor assembly with removable rollers
John T. Nguyen, Fountain Valley, CA (US); and Robert E. Gledhill, III, Huntington Beach, CA (US)
Assigned to BLUE-WHITE INDUSTRIES, LTD., Huntington Beach, CA (US)
Filed by BLUE-WHITE INDUSTRIES, LTD., Huntington Beach, CA (US)
Filed on May 3, 2021, as Appl. No. 17/306,697.
Claims priority of provisional application 63/020,720, filed on May 6, 2020.
Prior Publication US 2021/0348602 A1, Nov. 11, 2021
Int. Cl. F04B 53/22 (2006.01); F04B 43/12 (2006.01)
CPC F04B 43/1276 (2013.01) 8 Claims
OG exemplary drawing
 
1. A pump rotor assembly for a peristaltic pump, the pump rotor assembly comprising:
a hub configured to couple with a drive shaft of a pump, the drive shaft having an axis of rotation, the hub comprising at least one receiving slot that extends in an axial direction parallel to the axis of rotation and an axial face that is transverse to the axial direction;
a first roller assembly comprising a first support frame, a first axle and a first roller, the first roller assembly configured to slide in the axial direction along the receiving slot to seat the first roller assembly onto the hub; and
a collar configured to couple with the hub, so that the collar engages the axial face of the hub, wherein the collar is selectably movable between (1) a first position wherein the collar is engaged with the axial face of the hub and the collar permits the first roller assembly to be removed from the at least one receiving slot by moving towards the axial face and (2) a second position wherein the collar is engaged with the axial face of the hub and the collar blocks the first roller assembly from exiting the at least one receiving slot.