The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 04, 1986
Filed:
Jul. 30, 1984
Vernon H Troutner, St. Petersburg, FL (US);
Extracorporeal Medical Specialties, Inc., King of Prussia, PA (US);
Abstract
Peristaltic pump including a housing having a backing plate and an upstanding arcuate wall, a pump shaft mounted in the backing plate, and a rotatable pump head mounted on the shaft and comprising at least one roller means for squeezing a segment of flexible tubing against the arcuate wall to achieve pumping of a liquid through the tubing. The pump head includes a pivotable handle having a recessed portion which cooperates with a ledge in the pump shaft to prevent the pump head from moving upwardly from the shaft when the pump is in operation. Also included are means comprising a roller bearing and clutch assembly for preventing rotation of the pump head in an incorrect or undesired direction during manual operation.