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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 |
| 4034416 | Diving helmet breech ring connection A connection for releasably securing a diving helmet to a suit through the se of nestable upper and lower ring members having mating cylindrical portions sealed by an O-ring. A tongue and slot serve to orient the helmet during donning and cooperate with tw... | 07/12/1977 |
| 4034417 | Protective garments A protective garment, jacket and/or pants, made of a fabric unit which includes an outer shell and an inner shell with a liner therebetween, these being secured together at edges thereof. The outer and inner shells are formed of light, non-moisture-absorb... | 07/12/1977 |
| 4034418 | Artificial knee joint An artificial knee joint for surgical implantation into a knee comprises at least one femoral member of hard plastic material and at least one tibial member having a highly polished metal upper surface. The femoral member is received in a groove cut in th... | 07/12/1977 |
| 4034419 | Full extension lock for prosthetic knee joint A device for locking a prosthetic knee joint in full extension includes a housing having a friction shoe adjustably impinging on a standard extension limit link extending through the housing. A latch lever is pivotally secured in the housing and is spring... | 07/12/1977 |
| 4034420 | Temperature balancing method for reversing heat exchangers Disclosed is a new and improved method for automatically balancing the temperature of a plurality of reversing heat exchanger units provided in parallel relation with each other. The balancing method comprises the steps of: detecting the temperature in po... | 07/12/1977 |
| 4034421 | Vacuum sewer system including a collecting tank In a vacuum sewer system a tank is provided for the collection of liquid-mixed wastes, especially from water closets, the tank comprising a circulating pump whose inlet and outlet are connected to the tank and which is adapted to circulate the tank conten... | 07/12/1977 |
| 4034422 | Device for disposal of materials, particularly of household and kitchen waste A waste disposal device includes a receptacle for holding liquid and waste materials, a liquid drainline secured to the receptacle, a collecting tank connected in the drainline to collect the liquid and waste materials from the receptacle, a waste disinte... | 07/12/1977 |
| 4034423 | Valve controlled flushing system A valve controlled flushing system for a tank-type toilet installation comprises a siphon flush valve, a control valve that allows supply water to flow into the tank to initiate siphonic action, to supplement flow through the siphon flush valve and to ref... | 07/12/1977 |
| 4034424 | Auxiliary bathtub for invalids An auxiliary bathtub mounted above a conventional bathtub for use by invalids. The bathtub includes a rectangular frame approximating the shape of the conventional bathtub formed by a pair of parallel end walls and side walls. A flexible, waterproof liner... | 07/12/1977 |
| 4034425 | Bathtube slide device A bathtub support device with support means and a lower seat and an upper seat extending vertically above the lower seat with securing means associated with the respective terminal ends of the support means. Upper and lower gripping means is associated wi... | 07/12/1977 |
| 4034426 | Bath tub lift chair apparatus An apparatus for raising and lowering invalids in a bath tub chair having a frame that fits into the bathtub with a chair rockably mounted to the frame. The frame has vertically extending gear racks while the rocking chair has a ratcheting gear attached t... | 07/12/1977 |
| 4034427 | Aerosol drain opener device A hydraulic device utilizes an aerosol can containing propellant for unblocking drains or other types of conduits by use of hydraulic ram pressure. A nozzle having a curved surface is movably mounted on the discharge end of the propellant container and is... | 07/12/1977 |
| 4034428 | Adjustable drain control assembly The invention involves an adjustable drain control assembly for a bathtub or the like, comprising a cylindrical component having both end and side openings exposable within the tub when installed, and having a total flow capacity of the order of that of s... | 07/12/1977 |
| 4034429 | Inner spring construction for mattresses, cushions and the like A spring construction for use as an inner spring for a mattress or cushion. The spring is in the form of helical core including concave and convex side portions which when placed in adjacent rows overlap and intermesh to provide firm support for a body an... | 07/12/1977 |
| 4034430 | Water-walking apparatus Apparatus for walking on water includes a pair of buoyant pontoons adapted to support a person afloat in water and balancing means for the person. The pontoons are pivotably interconnected by transverse stabilizers consisting essentially of a pair of elon... | 07/12/1977 |
| 4034431 | Method for manufacturing a footwear A method for manufacturing a footwear, comprising a three-dimensionally molded lateral side section of thermosetting or thermoplastic resinous material, an upper vamp section integrally formed with, or separately connected to, said lateral side section an... | 07/12/1977 |
| 4034432 | Spectacle cleaning apparatus Spectacle cleaning apparatus including resilient nose piece supporting means, two pairs of cooperating opposed rotatable brushing means located on either side of said nose piece supporting means, positioning means for changing the spacing between respecti... | 07/12/1977 |
| 4034433 | Wash-off processor A processor for photographic plates or like elements comprising a housing through which the plates being processed travel and further including a plurality of work stations at least comprising a developer station, a scrubbing station and a wash-off statio... | 07/12/1977 |
| 4034434 | Sweeper dust seal This specification discloses a roller-type dust seal for use in a sweeper of a type including a dust receiver or bin having an open end spaced from a brush and from the surface being swept. A generally U-shaped axle having an elongated base is positioned ... | 07/12/1977 |
| 4034435 | Vacuum cleaner accessory A ported brush supporting vacuum cleaner accessory capable of being removably mounted on the free end of a pliable hose in which a negative pressure is maintained. The brushes of the accessory are mounted on resilient tabs that normally close a number of ... | 07/12/1977 |
| 4034436 | Castor assembly A castor assembly is disclosed which includes a bearing block having a first bore for mounting a pintle, a second bore for mounting the spindle of a self-laying track member, and a downwardly open socket for mounting the trunnions of a castor roller. The ... | 07/12/1977 |
| 4034437 | Pressure-free fail-safe emergency door closer A normally pressure-free, failsafe, emergency door closer for use in hospitals, nursing homes or other locations where handicapped persons are housed, comprising an actuating mechanism triggered by a sensing device such as a smoke detector, a spring-loade... | 07/12/1977 |
| 4034438 | Closure counter-balance The closure counter-balance is for attachment as a strut between a hingedly mounted movable closure and a support structure. The counter-balance includes a pair of tubular members telescopingly connected together in sliding relationship. A compression coi... | 07/12/1977 |
| 4034439 | Traverse rod for decorations, in particular for curtains A traverse rod for curtains has a plurality of walls forming a hollow box-like cross section. One of the walls contains an opening for receiving slides or rollers attachable to the curtains. An adjacent wall contains a C-shaped recess and a U-shaped reces... | 07/12/1977 |
| 4034440 | Device for transferring slaughtered poultry A device for transferring slaughtered poultry from a first conveyor track to a second conveyor track with a guide for the suspension shackle disposed along a part of the first conveyor track and a similar guide along a part of the second conveyor track. B... | 07/12/1977 |
| 4034441 | Presizing disc with self-locking means A sizing disc for a shirred tubular casing length utilized in a stuffing apparatus said sizing disc including a rim portion, a wall support extending inwardly therefrom and terminating in a terminal end portion defining an annulus, and frangible self-lock... | 07/12/1977 |
| 4034442 | Apparatus for cleaning fish collars An apparatus for cleaning fish collars. The apparatus comprises a plurality of holders, each dimensioned to receive a fish collar. At least one blade is on the exterior of each holder. The holder moves along a pathway. The apparatus also effects relative ... | 07/12/1977 |
| 4034443 | Knot-tying device A knot-tying device for securing a loop in a line or cord between the free end and an intermediate portion of the line comprising a rigid tapered body member having a plurality of apertures, one aperture adjacent the apex of the body and the other substan... | 07/12/1977 |
| 4034444 | Slide fastener stringer A stringer for a slide fastener has a coupling element formed from a continuous filament with leg portions secured to a tape-like portion wherein an elongated member is interposed between the superimposed leg portions. The leg portions are provided with g... | 07/12/1977 |
| 4034445 | Molded top stop and apparatus and method of manufacture Molded top stops for a slide fastener have inner edges extending substantially in alignment with the inner edges of the interlocking elements and have bottom edges extending at acute angles upward and away from the interlocking elements. Further, during t... | 07/12/1977 |
| 4034446 | Double-tiered swirling machine for pile fabric A device for forming surface designs on pile fabric is disclosed, in which a plurality of conical brushes are utilized to swirl the fibers of the fabric. The device is provided with two tiers of rotatable brushes, and the fabric passes beneath both tiers ... | 07/12/1977 |
| 4034447 | Papier-mache coffin A coffin for a human being molded of papier-mache. The coffin is formed with ribs that provide strength to the structure and at the same time have a decorative effect. The improved method of forming the coffin includes drawing paper pulp onto the molds wh... | 07/12/1977 |
| 4034448 | Method for mass-producing bulb sockets for miniature lamps in series on a single cable flexible electric cord A method for mass producing bulb sockets for plug-in miniature lights directly on an electric cable comprising successively passing a single line flexible cable through a plurality of stages of operation inclusive of a socket molding station where sockets... | 07/12/1977 |
| 4034449 | Device for crimping and shearing contacts from contact strips The present invention relates to a device for crimping and shearing contacts of a contact strip, the device comprising a stationary crimping jaw serving as supporting means for the contact to be crimped, a second crimping jaw movable relative to the first... | 07/12/1977 |
| 4034450 | Marker sleeve installation An apparatus for the facile installation of non-cylindrical marker sleeves on wire-like members such as electrical wiring or cable. The apparatus is particularly directed to the handling of non-cylindrical marker sleeves which are tightly and slidably arr... | 07/12/1977 |
| 4034451 | Turning tool with a cutting tip A turning tool comprises a shank and a separate extension member to which a cutting tip is attached. The extension member has at its rear side a convex cylindrical surface which extends over an arc of approximately 180° and to which the sidewalls are tan... | 07/12/1977 |
| 4034452 | Router bit An improved router bit that has numerous advantages over conventional router bits; the bit of the present invention allowing chips to fall through quite readily, making a smoother cut and having other advantages; the bit having two or more flutes, one of ... | 07/12/1977 |
| 4034453 | Method of manufacturing louver fins for use in heat exchanger A method for producing louver fins for use in a heat exchanger, comprising the steps of forming in a sheet of thin fin blank a plurality of cylindrical collars in each of which a heat conductive tube is inserted, forming a plurality of bridge-shaped protr... | 07/12/1977 |
| 4034454 | Composite foil preform for high temperature brazing The low pressure braze bonding of members comprised of, for example, titanium and zirconium alloys is accomplished with the use of foil-type braze alloy preforms. The braze alloy preforms comprise a titanium-zirconium foil which has been coated on at leas... | 07/12/1977 |
| 4034455 | Device for assembling slotless stator of electrical machine The production of electrical machines and more specifically to assembling the stator of a slotless electrical machine. The essence consists in splitting the process of assembling the slotless stator of an electrical machine into such production operations... | 07/12/1977 |
