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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 |
| 7195439 | Tightening member A hydraulic nut having a first part connected around the first end of a fixing member the first part having an annular recess which opens to receive a second part forming an annular member which fits within the annular recess, wherein a pressurized medium chamber is... | 03/27/2007 |
| 6899498 | Spring fastener having multifunctional barbs originating at the lower side of the head A Spring fastener with critical configuration of the barbs, which allow the extraction of the fastener without destruction of the slot and/or the fastener. This critical configuration of the barbs allows spring fasteners to be used in slots of various widths and pre... | 05/31/2005 |
| 6688828 | Self-torquing fasteners A bolt made from shape memory alloy that exists in a first state and is capable of changing to a second state when heated and remains in that second state even when cooled is used to self torque itself and clamp a first fixture to a second fixture. Prefer... | 02/10/2004 |
| 6241444 | Apparatus for sealing a milling liner to a milling shell with improved sealing capacity A forged, integral bolt (20) has a head, a tapered neck (22), a shank, and a plurality of plastically deformable, raised, contact surface portions (31) uniformly positioned adjacent the neck and extending axially and radially of the bolt for spreading a l... | 06/05/2001 |
| 6231286 | Headed fastener with precisely calculated groove under head to accommodate O'ring sealing member as a self-sealing assembly A fastener is disclosed for sealed engagement with a workpiece. The fastener has a head having a lower face, and a shank extends from the lower surface of the head. A groove is formed in the lower surface, the groove having an inner wall and an outer wall... | 05/15/2001 |
| 5725345 | Tire repair screw with sealing material A very simple and economic method for quickly repairing a puncture in a vehicle tire utilizes a screw having a concave slot beneath its head, with the circumference of the head portion cooperating with the slot to provide an edge which slightly cuts into ... | 03/10/1998 |
| 5649511 | Closure plugs A washerless closure plug for closing althreaded opening in the block of automotive engines includes an externally threaded nipple surrounded by a sharp shoulder, which shoulder is provided with a pair of forwardly facing ribs. When the nipple is screwed ... | 07/22/1997 |
| 5553578 | Washerless block heater A washerless block heater for automotive engines includes an externally threaded nipple surrounded by a sharp shoulder, which shoulder is provided with a pair of forwardly facing ribs. When the nipple is screwed into an engine block the ribs form a seal w... | 09/10/1996 |
| 5534032 | Orthopaedic implant assembly An orthopaedic implant assembly I including a securing member or screw 10 and sealing washer 20 assembled thereto. The assembly 1 further includes a base member 30 with a hole 31 therein for receiving the screw 10 and washer 20. The screw 10 includes an e... | 07/09/1996 |
| 5505465 | Mechanical seal stud torquing system An improved cartridge mounted mechanical seal for providing a seal between a housing and a rotatable shaft is provided, including at least one radial stud which extends from the inside of the rotary sleeve of the seal through the rotary sleeve and into th... | 04/09/1996 |
| 5494391 | Tire repair screw with sealing material A very simple and economic method and closure for quickly repairing a puncture in a vehicle tire utilizes a screw having a concave slot beneath its head. A sealing material such as an adhesive rubber is placed in the slot and is used to seal the hole when... | 02/27/1996 |
| 5489177 | Fastener assembly with axially captivated washer A preassembled fastener assembly having a washer axially captivated on a threaded screw. The washer includes an elongated cylindrical sleeve, a radially outwardly directed flange and at least two inwardly extending detents within the sleeve to yieldably e... | 02/06/1996 |
| 5433568 | Washer assembly combination for use with a nut and bolt, or the like A washer assembly combination for use with a threaded fastener which combination includes a rigid cup and a resilient member received within the cup. The resilient member, typically a polymer of ethylene propylene diene monomer, is oversized with respect ... | 07/18/1995 |
| 5407312 | Fastener system with an entrainable function-facilitating material A fastening system includes a bolt having a threaded shank and a head having upper and lower bases, the shank extending integrally from the lower base of the head, the lower base provided with a concentric function-facilitating material reservoir channel ... | 04/18/1995 |
| 5306108 | Self-sealing washers A self-sealing washer for use on a fluid containing housing includes a semi-rigid circular member having a horizontal portion and a relatively short vertical portion disposed at the distal edge thereof suitable to be received into a channel provided on a ... | 04/26/1994 |
| 5255761 | Aircraft brake An aircraft wheel and brake assembly having an axle with a circular flange in abutting contact with an annular viscoelastic vibration dampening plate which in turn abuts an annular flange of a torque tube. The flanges are rigidly secured to the dampening ... | 10/26/1993 |
| 5236272 | Mounting apparatus for rotatable optical disk Apparatus for mounting an optical disc whereby the yield strength of the disk is maintained. An upper section includes an end cap having a central bore, a deformable annular finger section, and a compression face for receiving a deformable O-ring. A lower... | 08/17/1993 |
| 5224807 | Fastening bolt assembly with anti-rotation device and providing both axial and radial holding forces A tubular and preferably elastomeric radial holding and centering expandable bushing having a bore sized to pass a threaded shank of a fastening bolt and having a radially enlarged flanged one end thereof. The bore tapering outwardly toward the periphery ... | 07/06/1993 |
| 5220854 | Mechanism casing provided with particular venting devices A mechanism casing for a hydraulic motor comprises a casing body having a face for application of a lid. The lid is applied tightly on the casing body face and fastened to the casing body by screws via screwheads thereof tightened against an outer face of... | 06/22/1993 |
| 5201627 | Washer for screws A ring-shaped washer (10) especially for wood screws (28) has an external circumferential edge area, which is directed downwards and cuts the wood (26) when the washer is being driven into it. At the same time the wood below the washer is compressed. This... | 04/13/1993 |
| 5181817 | Fastener A fastener for securing an attachment such as a guiderail to a surface of a wall. Such an attachment is provided with an internally-threaded aperture to receive the externally-threaded shank of a bolt passed through an aperture in the wall to which the at... | 01/26/1993 |
| 5165834 | Waterproof ring for connector housing of threaded connection type A waterproof ring for a connector housing of the threaded connection type, comprising spring members mounted integrally in a seal ring of a soft rubber material having an insertion hole for passing a tightening bolt therethrough; each of the spring member... | 11/24/1992 |
| 5163796 | Fastening bolt assembly providing both axial and radial holding forces A tubular and preferably elastomeric radial holding and centering expandable bushing having a bore sized to pass a threaded shank of a fastening bolt and having a radially enlarged flanged one end thereof. The bore tapering outwardly toward the periphery ... | 11/17/1992 |
| 5156509 | Waterproof screw fastener A waterproof screw fastener includes a head having a top and a bottom end, and a threaded shank downwardly extending from the bottom end of the head. The bottom end of the head has an indentation around the threaded shank. A sealing washer is sleeved onto... | 10/20/1992 |
| 5141375 | Self-sealing threaded fastener An improved threaded fastener with an integral sealing element bonded directly to the bearing shoulder and/or upper shank is provided. The sealant is a soft pliable olefin based material designed to flow between the bearing shoulder and threads of the fas... | 08/25/1992 |
| 5082412 | Roofing washer A roofing washer useful with a fastener having a head and a shank, such as, for example, a roofing screw, and provided with an annular lip so as to restrain the head after the head has been driven past the annular lip is disclosed. As molded from a resili... | 01/21/1992 |
| 5074728 | Drill-coexistent screw A screw includes a drill point formed on a root portion of a threaded shank of the screw having a plurality of helix flutes helically formed in the screw emerging from the drill point through the threaded shank and a plurality of packing rings annularly s... | 12/24/1991 |
| 5018329 | Attachment of roofing washer with heat-sealed screw-washer assemblage An improved method of attaching a roofing membrane to an underlayment and an improved roofing construction made by the improved method. A screw and a composite roofing washer are used to attach the membrane to the underlayment. The composite roofing washe... | 05/28/1991 |
| 5006026 | Particle retention means associated with fastener An apparatus to collect metal particles as generated (galling) by a fastener connection to a workpiece, the fastener having a head and an axially forwardly extending shank, the combination comprising an O-ring about the head; the head forming an outwardly... | 04/09/1991 |
| 4948318 | Non-corrosive headed composite fasteners and a method of producing the same Disclosed is a composite fastener that includes a metal fastener having a shank with an entrant end and an integral insert. A bottom surface of the insert has a greater diameter than the diameter of the shank. The bottom surface also has a lip extending a... | 08/14/1990 |
| 4944523 | End link for stabilizer bar An end link for a stabilizer bar, a suspension system for an automobile, or for a motor truck, and a method for assembling the end link. A unitary spool has a tubular body and an annular flange at each end. Two annular washers conform in thickness and out... | 07/31/1990 |
| 4887951 | Dual composite headed self-threading screw A self-threading screw comprises a screw main body of metal having a small heead portion in the proximal end of a threaded shank and a head of synthetic resin material fitted onto the small head portion. The synthetic resin head has a polygonal socket wre... | 12/19/1989 |
| 4878085 | Cylinder and hub locking method and apparatus A method and apparatus for locking the drive hubs of a forms overlay station in a laser electrographic printer to its transparent forms overlay drum includes counterboring a plurality of holes through the drum into the hubs, inserting a resilient member s... | 10/31/1989 |
| 4657460 | Self-bonding threaded fasteners and method of curing same The present invention relates to improvements in a self-bonding fastener and to a novel method of curing the bonding material during assembly line fabrication of sheet metal products. The fastener includes a headed self-threading screw member having its h... | 04/14/1987 |
| 4492817 | Watertight bushing and bolt mounting assembly A watertight bushing and bolt mounting assembly includes a collar portion around the bushing with a first groove within which is received an upturned flange surrounding an opening in the wall member through which the bushing extends. A resilient first sea... | 01/08/1985 |
| 4177999 | Infinitely adjustable bearing seal for non-parallel surfaces A pair of complementary tapered washers are engaged on a bolt that passes through a first member and is threadedly engaged in a second member; surfaces of the bolt head surface is not parallel to the surface which is to engage and a full bearing base is e... | 12/11/1979 |
| 4176437 | Method of repairing a defective coated workpiece Defective coated workpieces are repaired. To this end a coated plate is placed on to the defective area so as to cover and overlap the defective area. A seal is disposed between the defective area and the plate and the latter is secured by means of bolts ... | 12/04/1979 |
| 4154138 | Screw with plastic head A screw includes a metal portion having a threaded shank adapted to be threaded into a workpiece, a head and an annular flange between the head and the shank. The surface of the metal head and the upper surface of the metal flange are irregular so that, w... | 05/15/1979 |
| 4145800 | Method of repairing coated workpieces Defective sites in the interior enamel coating of an enameled container are repaired. To this end, a bore is provided in the defective site; a sleeve is inserted in the bore; a screw bolt with two threaded ends is passed through the sleeve; a seal is slip... | 03/27/1979 |
| 4126170 | Sealing nut with preformed turtleneck insert A sealing nut having a shouldered insert of heat stabilized-lubricated nylon with a protruding crown, locked into a recess provided at one end of the nut body by means of a coined lip engaging the shoulder. Sealing is effected when the nut is engaged on a... | 11/21/1978 |
