Peristaltic pump having a roller support
First Claim
Patent Images
1. A peristaltic pump comprising:
- a motor;
a plurality of rollers driven by the motor;
means for holding a peristaltic pump tube in the path of said rollers when pumping;
means for supporting said rollers so as to prevent said rollers from compressing said tube more than the thickness of the walls of the tubes;
said means for holding said peristaltic pump tube including rotatable means moving in conjunction with said rollers to hold said peristaltic pump tube in the path of said rollers.
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Accused Products
Abstract
The rollers of a peristaltic pump are supported to prevent said rollers from compressing said tube more than the thickness of the walls of the tube. A tube holder rotates along with the roller assembly of the peristaltic pump and keeps the tube in line with the rollers.
43 Citations
8 Claims
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1. A peristaltic pump comprising:
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a motor; a plurality of rollers driven by the motor; means for holding a peristaltic pump tube in the path of said rollers when pumping; means for supporting said rollers so as to prevent said rollers from compressing said tube more than the thickness of the walls of the tubes; said means for holding said peristaltic pump tube including rotatable means moving in conjunction with said rollers to hold said peristaltic pump tube in the path of said rollers. - View Dependent Claims (2, 3, 4)
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5. A peristaltic pump comprising:
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a motor; a plurality of rollers driven by the motor; means for holding a peristaltic pump tube in the path of said rollers when pumping; means for supporting said rollers so as to prevent said rollers from compressing said tube more than the thickness of the walls of the tube; said means for holding said peristaltic pump tube including rotatable means moving in conjunction with said rollers to hold said peristaltic pump tube in the path of said rollers; a frame; said frame being mounted for rotation in a horizontal plane about a vertical axis of rotation wherein said rollers orbit in a horizontal plane; said peristaltic pump having a top, bottom and sides; said top having an openable top cover wherein access to said frame is provided; and
one side having an openable side closure wherein a side entry position is provided. - View Dependent Claims (6)
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7. A peristaltic pump comprising:
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a motor; a plurality of rollers driven by the motor; means for holding a peristaltic pump tube in the path of said rollers when pumping; means for supporting said rollers so as to prevent said rollers from compressing said tube more than the thickness of the walls of the tube; said means for holding said peristaltic pump tube including rotatable means moving in conjunction with said rollers to hold said peristaltic pump tube in the path of said rollers; a rotatable frame means; said plurality of rollers being mounted to said rotatable frame means; said plurality of rollers including a central roller adapted to engage said peristaltic pump tube and first and second end rollers on one end of said rotatable frame means; and a tube guide for supporting one side of said tube; said first and second end rollers being positioned so that said central roller remains spaced from said tube guide by at least the distance of the two walls of the peristaltic tube while said end rollers rotate on said tube guide. - View Dependent Claims (8)
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Specification