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A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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| Number | Title | Issue Date |
| 4854828 | Remotely removable and replaceable motor for hazardous service pump installation A vertical pump driven by a motor having a construction which permits removal and replacement of the motor by remotely controlled equipment. The motor frame is secured to the pump with hold down bolts and the motor shaft is connected to the pump shaft by ... | 08/08/1989 |
| 4854830 | Motor-driven fuel pump A motor-driven fuel pump including a motor section provided with a driving motor, and a pump section arranged below the motor section and provided with an impeller to be driven by the driving motor. A plurality of pressure compensation hollows are formed ... | 08/08/1989 |
| 4854834 | Pump with improved seal A pump has a rotor-carrying pump shaft rotatably supported within an internal pipe by a plurality of spaced bearings. A lowermost bearing is located in the vicinity of the rotor near the end of the internal pipe. Adjacent to the lowermost bearing is a sea... | 08/08/1989 |
| 4850808 | Liquid ring pump having port member with internal passageways for handling carry-over gas In a conically or cylindrically ported liquid ring pump, compressed gas that would otherwise be carried over from the compression zone to the intake zone of the pump is made to bypass the intake zone by passing through a first aperture in the port member ... | 07/25/1989 |
| 4850816 | Refrigerant gas compressor unit A refrigeration gas compressor unit having a casing, and electric motor driven compressor mounted in the casing, a housing containing and substantially isolating the inner passages or cavities of the motor from the casing cavity, a refrigerant suction por... | 07/25/1989 |
| 4850818 | Corrosion-resistant magnet pump Disclosed is a corrosion-resistant magnet pump comprising a front casing, a rear casing provided behind the front casing with a partition wall interposed therebetween, a rotary shaft extending from the front casing into the rear casing and supported by a ... | 07/25/1989 |
| 4850817 | Mechanical drive system for a medication infusion system A mechanical drive system for use in driving a disposable cassette containing a reciprocating fluid pump and active valves from a main pump unit is disclosed which utilizes a single power module cam to drive both the reciprocating pump and the valves. By ... | 07/25/1989 |
| 4848117 | Shopping cart list holder An attachment for a shopping cart for securing a grocery list, shopping coupons, etc. The attachment includes a base member upon which spaced bars are secured by spring loaded holders. The base member is secured to the cross-handle of the shopping cart by... | 07/18/1989 |
| 4846637 | Infusion pump system and conduit therefor A modular infusion pump system utilizes a positive displacement pump for pumping a known quantity of fluid for each stroke. A plurality of longitudinally spaced apart fixed combs cooperate with a resilient tube to define a known pumping volume. A pluralit... | 07/11/1989 |
| 4844707 | Rotary pump A rotary pump mechanism is disclosed which comprises a coupling section that couples an impeller and means for driving said coupling section and, in turn, said impeller. The coupling section incorporates most of the components of the pump that wear out an... | 07/04/1989 |
| 4842492 | Compressor discharge muffler having cover plate A hermetically sealed scotch yoke compressor assembly is disclosed wherein a crankcase includes annular channels formed on the top and bottom surfaces thereof defining muffling chambers. Gas refrigerant compressed within radially disposed cylinders into c... | 06/27/1989 |
| 4842495 | Non throttling discharge pump assembly A pump assembly (1) for an atomizing piston pump comprising a piston (16) slidably located in a cylinder (4), a variable volume fluid storage chamber (5) in communication with the cylinder on one side of the piston, means (18) for varying the volume of th... | 06/27/1989 |
| 4838771 | Biasing force adjusting apparatus for electromagnetically driven reciprocating pump A biasing force adjusting apparatus is used for an electromagnetically driven reciprocating pump in which the piston is reciprocated to achieve pumping by a magnetic force cyclically generated from an electromagnet and a biasing force of a compression coi... | 06/13/1989 |
| 4838554 | Toys A toy money box resembling a slot machine has one money slot where the money enters a store and is returned if the slot machine when operated gives a jackpot. The money box has a second slot where money passes to a store separate from the slot machine and... | 06/13/1989 |
| 4838763 | Canned motor pump A canned motor pump wherein the can has at least two coaxial tubular walls defining an annular space for the flow of a preferably gaseous fluid which is used to facilitate detection of leaks in the walls of the can. Each tubular wall can individually seal... | 06/13/1989 |
| 4836752 | Partial restriction detector A device for detecting partial restriction in a fluid line connecting a fluid source with an IV infusion pump comprises a gauge mounted on the pump and operatively associated with the line to determine fluid pressure therein. The pump also comprises a per... | 06/06/1989 |
| 4836757 | Pressure actuated movable head for a resonant reciprocating compressor balance chamber The present invention relates to a resonant piston compressor in which a double-sided piston reciprocates within a cylinder and defines a valved compression space on one side of the piston and a balance chamber on its other side. The invention further inc... | 06/06/1989 |
| 4834628 | Rotor-magnet unit The invention is concerned with magnetically driven centrifugal pumps whose rotor forms a unit with an impeller, which is located in a rotary magnetic field. The rotor is mounted to said impeller by a spring loaded clamp.... | 05/30/1989 |
| 4834624 | Pump assembly for delivering liquids and gases A pump assembly for delivering liquids or gases include a pump and an electromotor for driving the pump, the speed and/or torque of the electromotor being made variable by a static frequency converter. The frequency converter can be miniaturized by highly... | 05/30/1989 |
| 4834626 | Perfected portable motor-driven compressor set A portable motor-driven compressor set on which the output shaft of a motor drives an opposed-piston compressor rigidly connected to the motor frame, characterized by the fact that the compressor consists of a pair of heads arranged one on top of the othe... | 05/30/1989 |
| 4834630 | Peristaltic pump A peristaltic pump is disclosed which facilitates accurate fluid distribution through a plurality of conduits. A stator is provided having an elongated rotor with stabilizers therein for typical fluid movement by compression of the conduits along the stat... | 05/30/1989 |
| 4834623 | Electric fuel pump The pump comprises a casing in which is disposed a stator armature of an electric motor, a rotatable shaft to which is fixed a rotor winding and which is torsionally connected to an impeller rotor of the pump and a pair of covers which close the ends of t... | 05/30/1989 |
| 4832580 | Fluid pressurizing delivery pump system Provided are a pair of pumps, each of which comprises a bellows having an intake inlet and a discharge outlet, a reciprocating drive means for contraction and expansion movements of the bellows, and a couple of electro-magnetic on-off valves disposed resp... | 05/23/1989 |
| 4832584 | Rotor for peristaltic pump The invention is an improvement on rotors in peristaltic pumps for advancing enteral feeding solutions through medical tubing. The improvement comprises the provision of a plurality of removable, one-piece rollers disposed between the front and rear plate... | 05/23/1989 |
| 4830584 | Pump or compressor unit A pump or compressor unit (1) suited particularly for mixed phase fluids, e.g. mixed gas and oil, has a multistage axial flow compressor device with contra-rotating vanes. An upstream mixer device (10) and a downstream centrifugal impeller device (32) can... | 05/16/1989 |
| 4830377 | Golf club A golf club comprises a strain gauge attached to a surface of a hollow shaft in the vicinity of a kick point for detecting a bending of the shaft and a sound indicator for generating a sound when a strain of the shaft, particularly at the kick point, exce... | 05/16/1989 |
| 4830577 | Impulse pump with a metal diaphragm A metal diaphragm impulse pump with no valves is disclosed. The pump may be used in an angular velocity sensor utilizing the Coriolis effect on a fluid jet. A magnetic core is mounted within an anvil and a drive coil is wound around the core. The drive co... | 05/16/1989 |
| 4830580 | Two-stage air compressor unit A two-stage air compressor unit having an intercooler and aftercooler placed in side by side relationship to form an integral unit which is cooled by forced air blown by a motor driven fan and which has the inlet and outlet parts located in such a manner ... | 05/16/1989 |
| 4830585 | Pumping system This invention pertains to a system for pumping a fluid of a variable consistency into a fluid container. The system includes a vacuum power assist auger to withdraw fluid upwardly from a reservoir. A hose connecting an outlet end of the power assist auge... | 05/16/1989 |
| 4830586 | Double acting diaphragm pump An improved double acting diaphragm pump utilizes at least one supplemental diaphragm and associated pressure chamber arranged coaxially with the connecting shaft of the main diaphragms. The supplemental chambers are connected via parallel pressure lines ... | 05/16/1989 |
| 4824335 | Modular high pressure pump In a high pressure pump (1) for liquids or gases with a drive unit (2) and a pair of pump units (3) which are connected by a drive element (4) to a drive shaft driven by a motor (6), a considerable simplification in the sense of large scale production wit... | 04/25/1989 |
| 4824339 | Peristaltic pump cartridge A peristaltic pump cartridge including a continuous flexible tube having two ends and a portion therebetween providing a U-shaped loop for use with a rotor and rollers to provide a peristaltic pump, a cartridge housing having supports for maintaining the ... | 04/25/1989 |
| 4822250 | Apparatus for transferring small amount of fluid An apparatus for transferring a small amount of fluid has at least one series of vibration pump units each having a fluid transfer pipe designed to perform a respirating action by the operation of a vibrator which vibrates in response to application of a ... | 04/18/1989 |
| 4822258 | In-tank fuel pump An in-tank type fuel pump in which an impeller within the pump chamber is rotated by a motor disposed within a fuel chamber within a main body to pump fuel. A through hole in communication with a fuel chamber of the motor portion is provided in a side wal... | 04/18/1989 |
| 4822050 | Device for reading and distributing cards, in particular playing cards The device comprises a container for receiving the pack of cards to be distributed, of which the movable bottom is formed by a carriage. This carriage comprises rollers which, when the carriage is moved, drive the lower card of the pack which is isolated ... | 04/18/1989 |
| 4822265 | Pump rotor A rotary sliding vane fluid pump having an open rotor and radially extended arms forming slots that support the radially extending vanes. The relative position of the vanes and the inlet and discharge ports provide sealing by the vanes to the pump housing... | 04/18/1989 |
| 4822048 | Mix and display chance device The chance device (10, 10", 10'") has opposite end sections (12, 14, 70, 72) which are each identical to the other. In use, the device (10, 10", 10'") is inverted. Heavy balls (62) are caused by the inversion to drop downwardly, including through a ball p... | 04/18/1989 |
| 4818193 | Centrifugal pump selectively mountable in centerline or inline position The spiral housing of a centrifugal pump which forms a unit with an electric motor and consists of two parts flanged together by screws evenly distributed over its circumference. The axis of rotation on the impeller forms a 45 degree angle with the axis o... | 04/04/1989 |
| 4817316 | Sign assembly A changeable copy sign assembly comprising a plurality of wafers each bearing a single indicium on a relatively opaque background. The wafers and a backing strip are removeably retained to a face plate of the assembly at an elongated, window-like opening,... | 04/04/1989 |
| 4818188 | Water and air pumping apparatus for a fish-raising pool A water and air pumping apparatus for a fish-raising pool includes a shaded-pole motor, a centrifugal water-pumping mechanism and an air-pumping drum device, and is characterized in that on the suitable side surface of the laminated core of the motor, the... | 04/04/1989 |
