F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
103/31
F04B 43/12 (2006.01)
Patent
CA 1233362
PERISTALTIC PUMP Abstract of the Disclosure A peristaltic pump includes pivotal reaction members having reaction surfaces formed thereon for cooperation with a rotor in effecting peristaltic pumping action. The pump includes an improved adjustable tube-gripping assembly for securing a fluid flow tube of any size within a predetermined range in a predetermined position relative to the pump with only a minimal decrease of interior cross-sectional area. The preferred tube-gripping assembly includes a fixed gripping member and a movable yoke, each having notches formed therein for receiving the tube. A latch system for maintaining the pivotal reaction members in closed position applies relatively evenly distributed closing force along the joint between the reaction surfaces.
483247
Cole-Parmer Instrument Company
Macrae & Co.
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