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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 |
| 6182810 | Differential-speed-dependent coupling An automatic coupling has two parts supported inside one another, and which are rotatable around a common longitudinal axis. The parts form an annular chamber. An annular piston axially divides the annular chamber into two compartments. The annular piston... | 02/06/2001 |
| 6158477 | Flexible duct and method of making same A flexible duct and method for making the duct are disclosed. The duct includes an inner wall bonded to an outer wall, with a wire resilient helix and a scrim sandwiched therebetween. The scrim is in the form of a helical tape embedded between the outer w... | 12/12/2000 |
| 6116392 | Coupling device for transmitting torque A coupling device for transmitting torque between a first part and a second part which are rotatable relative to one another is disclosed. The coupling device comprises a multi-plate coupling unit with axially alternating arranged first plates and second ... | 09/12/2000 |
| 6080076 | Mechanical locking differential A differential drive has a differential carrier rotatably drivably supported around an axis in a drive housing. Two axle shaft gears are arranged in coaxial bores while being supported around the axis so as to be rotatable relative to the differential car... | 06/27/2000 |
| 6068099 | Device using viscous shear to control a friction coupling which limits torque transferable therethrough A coupling device with two parts which are coaxially rotatable relative to one another, comprising a friction coupling whose friction plates are alternately connected to each of the rotatable parts. Further the coupling device comprises an actuating devic... | 05/30/2000 |
| 6056097 | Viscous coupling The invention relates to a viscous coupling such as it used in the driveline of a motor vehicle, wherein, due to a relative rotational movement between the inner plates 80 and the outer plates 90, the viscous medium is made to flow towards the axis of rot... | 05/02/2000 |
| 5837880 | Compact ultrasonic calibration block An ultrasonic test standard is formed by a metal block having a unique shape incorporating an arcuate surface and a series of reflectors that enable discreet instrument measurement verifications in a relatively small area. This calibration block, though r... | 11/17/1998 |
| 5625951 | Combination hand tool for cutting flexible duct and the like A combination hand tool for cutting flexible duct and the like, which tool has both (i) a blade-holding mechanism which enables safe, quick and convenient replacement of a utility knife blade for cutting material requiring relatively low cutting pressure ... | 05/06/1997 |
| 5497554 | Plier-type hand tool A plier-type hand tool having a first member comprising a pair of components formed of sheet material mounted in fixed spaced relation, and a second member formed of sheet material and pivotally mounted between the components of the first member, each of ... | 03/12/1996 |
| 5469219 | RF-based high-bandwidth signal transmission method and apparatus A method and apparatus for signal transmission in which each of a series of input signals (e.g., RGB baseband video signals) is frequency-modulated onto an intermediate frequency. The intermediate frequency signals thus produced are then fed through RF mi... | 11/21/1995 |
| 5421047 | Patient support apparatus A patient support system comprising a series of self-supporting cushions connected by two longitudinal members and disposed transversely to a bed, with at least two of the cushions spaced longitudinally from one another so as to raise the patient's buttoc... | 06/06/1995 |
| 5398484 | Transfer device for gripping and depositing a filled bag and for moving it into a closing device A transfer device for gripping a filled bag from a suspended position at a filling neck and depositing the bag on a conveyor belt for moving it into a bag closing device, a clamping assembly having two approximately vertical arms which are articulated at ... | 03/21/1995 |
| 5305579 | Device for expanding and slipping on bags The invention relates to a device and method for expanding bags and slipping them on to a filling neck, especially bags with side folds, which are fed individually on to an aligning table, with the bag opening being positioned at the front, there being pr... | 04/26/1994 |
| 5301492 | Bag clamping device A bag clamping device for holding a bag to be filled, especially a bag with side folds, on a filling neck, the bag clamping device being formed by: a first pair of clamps, each comprising clamping members for holding opposed first bag wall segments on the... | 04/12/1994 |
| 4921105 | Shipping, storage and dispensing container for flexible duct and the like A shipping, storing and dispensing container for a length of longitudinally- and radially-compressible product such as insulated or uninsulated duct for air conditioning systems. The container is adapted to have a lateral dispensing opening formed therein... | 05/01/1990 |
| 4895528 | Universal high/low voltage hose-to-wall fitting for current-carrying flexible hose A hose-to-wall fitting for attachment to one end of a current-carrying flexible hose to enable such hose to be connected through a wall-mounted current-carrying inlet valve to both (1) a source of vacuum and (2) dual sources of electrical power, e.g., a h... | 01/23/1990 |
| 4773068 | Dual channel transmission method and apparatus with inherent channel identification and extraction The present invention is embodied in and carried out by a dual channel transmission system with inherent channel identification and extraction. This system employs a data transmission method which has the inherent characteristic that, when two identical r... | 09/20/1988 |
| 4698982 | Air conditioning unit with reversible drain pan and return air panel An air-conditioning unit which can be converted from a horizontal air flow configuration to a vertical air flow configuration (or vice-versa) at the installation site without any additional parts or special tools. A reversible drain pan and return (intake... | 10/13/1987 |
| 4693324 | Current-carrying flexible hose A current-carrying flexible hose having at least two parallel helical support wires, inner and outer plastic strips wrapped helically about the support wires, and at least one pair of helical electrical conductors disposed on opposite sides of one of the ... | 09/15/1987 |
| 4676595 | Bicycle wheel safety insert A bicycle wheel safety insert formed of an annular disk containing a design that imparts dynamic action when placed in a spoked bicycle wheel and rotated thereby attracting the attention of motorists. The insert contains a slit to allow the insertion of t... | 06/30/1987 |
| 4674118 | Telephone line hold and hold release apparatus A telephone line hold and hold release circuit which, after a central office line which is connected to at least two telephone sets in a telephone terminal system has been seized in response to an incoming call and then placed on HOLD, releases that centr... | 06/16/1987 |
| 4656714 | Method of installing a nozzle dam assembly In a nozzle dam assembly wherein a flange ring is affixed around a circular nozzle opening in a chamber wall, a support frame spans and is in non-threaded connection with the ring by releasable pins which carry under tension any load on the frame directed... | 04/14/1987 |
| 4532796 | Dual transducer connection by a single cable A system for testing the fabrication of objects utilizes echo-sounding techniques. A transmit transducer and a receive transducer which provide a conversion between electric and sonic energies are acoustically coupled to the object under test. A single ca... | 08/06/1985 |
| 4518018 | Reinforced formed hose A preformed radiator hose and a method of manufacturing such a hose are disclosed herein. A long length of an uncured hose is first fabricated by alternately wrapping layers of an uncured elastomer and fiber reinforcements around a straight mandrel. The u... | 05/21/1985 |
| 4514024 | Shielded electrical connector One connector part has an end face with openings aligned with the contacts. A transferable metal plate has openings which can be aligned with the contacts and the end face openings, the plate and end face openings being sufficient to receive a pin contact... | 04/30/1985 |
| 4490575 | Flexible hose with external sheathed electrical conductor A helically fabricated electrically conductive flexible hose having a self-supporting electrically conductive helical reinforcing element of non-circular cross-section with a flat side facing inwardly and defining the outermost element of the hose bonded ... | 12/25/1984 |
| 4483584 | Optical fiber connector An optical fiber has an insulative coating portion stripped leaving an extent of bare fiber. A fiber contact housing has an opening within which the fiber is located in the interstice of three cylindrical pins arranged parallel and contacting each other. ... | 11/20/1984 |
| 4479835 | Apparatus and method for forming wire reinforced helically fabricated tubing In the forming of flexible tubing of at least one wire helix covered by a helically wrapped tape, an apparatus and method for making such tubing wherein an endless belt of a width a plurality of times the pitch of the wire helix is passed against a rotati... | 10/30/1984 |
| 4470946 | Removable pipeline plug A removable plugging device for a pipeline, and particularly for pressure testing a steam pipeline in a boiling water reactor, wherein an inflatable annular sealing member seals off the pipeline and characterized by radially movable shoes for holding the ... | 09/11/1984 |
| 4470952 | Floating decontamination apparatus Apparatus is disclosed for decontaminating a nuclear reactor pressure vessel. It comprises a buoyant annular frame which descends into the vessel as the water level within it is lowered. Spray nozzles move around the frame on trolleys in a reciprocating f... | 09/11/1984 |
| 4468080 | Cable shield termination means for plug and receptacle connectors For cable termination, a metal plate is fit into the open cable-receiving end of either a connector plug or receptacle. One or more openings in the plate include hollow metal tubes conductively secured to the plate. A set of cable wires within a grounded ... | 08/28/1984 |
| 4460227 | Sealing grommet means A multi-wire cable grommet constructed of a pliable material has a plurality of apertures extending therethrough and wire-sealing wall portions, one for each cable wire. Centrally located and extending angularly inwardly from the aperture wall is a genera... | 07/17/1984 |
| 4458220 | Electrical connector and filter circuit A plug and receptacle electrical connector has incorporated within one of its parts an insulative enclosure maintaining the pin or sockets contacts, as the case may be, in an electrically insulated relation, which enclosure also has cavities formed about ... | 07/03/1984 |
| 4457574 | Electromagnetically shielded connector The present invention is directed to a shielded plug and socket in which the socket is provided with a fixed and a movable shield to protect the socket against magnetic electromagnetic interference when the socket is disconnected from the plug.... | 07/03/1984 |
| 4441775 | Coupling and decoupling aid for an electrical connector A wire frame aid is received over the cable and the connector part that carries the coupling housing. At one end of the frame coded keys interlockingly engage keys and keyways on the outer surface of the coupling housing. The aid is gripped by one or both... | 04/10/1984 |
| 4441780 | Plug and receptacle electrical connector The plug of a plug and receptacle connector has a hollow cylindrical shell of such internal diameter as to permit its receipt onto and over a cylindrical receptacle shell during mating. A groove formed circumferentially about the inner wall of the plug in... | 04/10/1984 |
| 4436692 | Plug for reactor pressure vessel nozzle There are disclosed method and apparatus for plugging the underwater recirculating nozzle of a boiling water reactor vessel. The method includes the lowering of a plug by a secondary cable into the annular space between the vessel sidewall and the nuclear... | 03/13/1984 |
| 4436694 | Nuclear reactor cavity decontamination machine Apparatus is disclosed for decontaminating the wall of a boiling water reactor cavity. A chassis on wheels is rollable on the refueling floor along the cavity curb. A pair of horizontal wheels roll against the curb. A support member extends upwardly and l... | 03/13/1984 |
| 4436693 | Non-impacting loose rod storage canister A canister for holding loose nuclear fuel rods for containment within a cell of a pool storage rack. The canister is designed with lateral restraints at both its bottom and its top to substantially prevent impact with the sides of the cell during an earth... | 03/13/1984 |
| 4427485 | Ultrasonically bonded helically fabricated tubing and apparatus and method for making same Flexible tubing formed of a wire helix wrapped helically with plastic tape having overlapping turns fused directly together ultrasonically, with no extraneous adhesive, and with knurling imprinted on the tubing interior, and apparatus and a method for mak... | 01/24/1984 |
