Patents in subclass Pumps/Adjustable Rollers Or Slides

Parent class: Pumps

Number Patent title Issue Date
07252485 Tube type pumping apparatus

A tube type pumping apparatus having a resilient tube provided along a wall, a squeezing member positioned to move along the wall to squeeze the resilient tube against the wall, a squeezing member holder that holds the squeezing member; a...
08/07/2007
07168930 Peristaltic pump with air venting via the movement of a pump head or a backing plate during surgery

A peristaltic pump 10 for use in ophthalmic surgery includes a housing 12, a pump head 14 having plurality of rollers 16, a backing plate 18 attached to the housing 12, and a length of surgical tubing 50. The rollers 16 and backing plate...
01/30/2007
06769885 Peristaltic pump, use of said pump, guide path for use in a peristaltic pump and a method of lubricating a peristaltic pump

A peristaltic pump (6) for pumping viscous media, comprises a housing (6A, 6B) having a wall (12) against which a hose (25) is placed, a shaft (7) that is centrally positioned in the housing and that carries a roller arm (13) having a...
08/03/2004
06749410 Peristaltic pump having a variable effective radial length impeller for metering liquid chemicals

A flexible apparatus for metering agricultural chemicals in a wet blade chemical distribution system consists of a modular peristaltic pump delivery apparatus (24) having an impeller (38) and a mounting bore (30) in a computer-controlled...
06/15/2004
06736617 Peristaltic pump having automatically adjusting bushing

A roller pump includes a stator, a rotor assembly including a rotor hub, a first roller slide and a second roller slide slidingly disposed within the rotor hub, with each of the roller slides supporting a roller. At least one adjustable...
05/18/2004
06733255 Tube pump and ink jet recording apparatus using the tube pump

A groove wall of a roller support groove opened to both end faces of a pump wheel comprises such a cam face wherein a roller rotates and rolls and is displaced from release operation position a to pump operation position b with rotation...
05/11/2004
06641249 Recovery unit and ink jet recording apparatus

A recoverying unit for maintenance and recovery of ink ejection performance of an ink ejecting device includes an elastic tube; a guide member for supporting the tube; a roller for pressing the tube; and a roller holding member, wherein...
11/04/2003
06607363 Magnetic detent for rotatable knob

A roller pump including a stator and a rotor assembly disposed within the stator. The rotor assembly includes a rotor hub, a first roller slide and a second roller slide slidingly disposed within the rotor hub. Each of the roller slides...
08/19/2003
06203295 Ink-jet recording device and pump used therein

A pump 15 disposed in an ink-jet recording device has flexible tube 103 and guide member 106 whereon a prescribed part of the tube is mounted. Roller 105, of which there is at least one and which pressurizes and deforms tube 103, is...
03/20/2001
06203296 Miniature peristaltic pump

A miniature peristaltic pump includes a rotor with three turning rollers, a support piece with a rounded portion arranged substantially concentric to the rotor and against which, when operating, the rollers are brought to compress a...
03/20/2001
6082977 Ink-jet recording device and pump used therein

A pump 15 disposed in an ink-jet recording device has flexible tube 103 and guide member 106 whereon a prescribed part of the tube is mounted. Roller 105, of which there is at least one and which pressurizes and deforms tube 103, is...
07/04/2000
6036459 Occlusion compensator for implantable peristaltic pump

A peristaltic pump which may be used as an implantable medical device includes a rotor arm that is provided with a means for applying a regulated occluding force to the pump rollers. In a preferred embodiment, an expandable chamber...
03/14/2000
6030190 Rotary displacement pump

A rotary displacement pump has a stator having a base plate and two clamping plates. The base plate is clamped between the two clamping plates. A first clamping plate forms an outer wall of the pump. The base plate has an annular surface...
02/29/2000
6019582 Peristaltic pump having an elastic adjustable rotor body

A peristaltic pump includes a rotor (21) comprising a hub (211), an actuating part (214) mounted on the hub (211) for operative engagement with a flexible tube (7) of the pump, the actuating part (214) being radially displaceable...
02/01/2000
5915932 Peristaltic pump having a roller support

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...
06/29/1999