Patent ID: 9642342
Date: 2017-05-09
CPC Classifications: A01K,F04B

Claim:
1. A peristaltic pump assembly, comprising: a housing; a rotatable assembly disposed within the housing and having a plurality of tube rollers adapted to interact with a plurality of compressible fluid delivery tubes; a plurality of engagement members being individually actuatable and cooperating to form a backing plate arrangement spaced from the rotatable assembly a predetermined distance in order to facilitate closure of a respective compressible fluid delivery tube disposed between the rotatable assembly and the respective engagement member, each engagement member cooperating with the tube rollers to maintain a respective compressible fluid delivery tube in alignment therewith; an actuator assembly having a plurality of actuators, each actuator being associated with a respective engagement member and being configured to interact with a topside thereof to displace the engagement member for interacting with the respective compressible fluid delivery tube associated therewith; and a plurality of biasing members, wherein each engagement member has at least one of the biasing members associated therewith, each biasing member being disposed underside of the engagement member and configured to urge the engagement member against a respective compressible fluid delivery tube so as to pinch the compressible fluid delivery tube to prevent delivery of a fluid therethrough.