Slidable Piston Patents (Class 401/176)
  • Patent number: 4696593
    Abstract: A car washing mitt constituting a flexible glove adapted to be worn on the hand of a user, having a palm pad formed of sponge material, and a liquid soap reservoir also mounted on the glove. A flexible water hose may be connected to a control device mounted on the glove, and the control device includes a manually operable selector valve, which may be set to deliver water selectively either directly to the interior of the pad, or to the interior of the pad after intermixture thereof with soap from the reservoir, or to a jet directed forwardly from the tip of the glove for rinsing purposes.
    Type: Grant
    Filed: December 5, 1986
    Date of Patent: September 29, 1987
    Inventor: James D. Bayless
  • Patent number: 4695176
    Abstract: A fountain applicator handle is disclosed for providing a continuous supply of a liquid coating to an applicator head for application onto a surface. The fountain applicator handle includes an elongated hollow reservoir with sliding displacement piston disposed therein. A valve body is attached thereto and adapted for attachment to a coating supply, with the valve body allowing the communication of the coating into the reservoir while preventing the outflow of the coating to the applicator, and controllably communicating the coating from the reservoir to the applicator.
    Type: Grant
    Filed: February 5, 1986
    Date of Patent: September 22, 1987
    Assignee: Power-Flo Products Corporation
    Inventors: Dallas W. Simonette, Bruce A. Wiener
  • Patent number: 4695177
    Abstract: A dentifrice dispensing toothbrush is described which stores dentifrice material in its handle and deposits a controlled portion of the stored material directly onto the top of the brush surface. The toothbrush comprises (1) a housing which includes a handle, (2) a reservoir situated within the housing for storing dentifrice material, (3) a brush having bristles which are attached to and supported by a head member, (4) an applicator which is attached to the housing and which is used to deposit portions of the material directly onto the top of the brush surface, (5) a valve which controls the flow of dentifrice material from the reservoir to the applicator and (6) a pumping means for applying pressure to the stored dentifrice material so as to cause it to flow from the reservoir to the applicator. The dentrifrice material is stored either directly in the reservoir or in a removable cartridge which is inserted in the reservoir.
    Type: Grant
    Filed: February 18, 1986
    Date of Patent: September 22, 1987
    Inventor: Youti Kuo
  • Patent number: 4685819
    Abstract: A toothbrush has a handle, a bristle-planted rod and a pumping mechanism accommodated in the handle. The rod is slidably held, at its rear end, by the main body of the handle. When the rod is pushed rearward and thereafter released, the pumping mechanism is operated so as to suck tooth-brushing material from a container forming a part of the handle and so as to feed the sucked material to the bristle-planted surface of the rod.
    Type: Grant
    Filed: April 19, 1984
    Date of Patent: August 11, 1987
    Inventor: Sasuke Endo
  • Patent number: 4637746
    Abstract: A dispensing container for multicomponent adhesives and other materials in which correct proportions, amount or ratios of two or more ingredients may be dispensed from a container while keeping the two or more ingredients from mixing together prior to application of the adhesive ingredients to the work to be glued or during closure of the container after application of the adhesive ingredients to the work. The container preferably comprises a hollow right angle prism divided by a slidable, self-supporting partition or partitions parallel to the longitudinal axis of the prism and pistons or plungers attached to the slidable partition or partitions and a slidable lug operating through a slot in the container wall to slide the partition with the attached plungers upwardly or downwardly to push the adhesive ingredients out of the container or return them into the container.
    Type: Grant
    Filed: May 6, 1981
    Date of Patent: January 20, 1987
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventor: Peter Vierkotter
  • Patent number: 4624594
    Abstract: A fluid dispenser according to the present invention has a tubular body having therein a fluid chamber, a pusher for pushing the fluid, and a feed mechanism for progressively advancing the pusher. The feed mechanism has a slider and an actuator for advancing the pusher so that a suitable amount of the fluid in the fluid chamber of the tubular body is fed to an outlet of the dispenser. The outlet may be in the form of a nib when the dispenser is in the form of a writing pen.In a preferred embodiment of the invention, the feed mechanism has a nut fixed within the tubular body, a threaded rod threadedly engaged with the nut, a rotary member slidably mounted on the threaded rod and spring biased rearwardly towards the actuator, a slider for rotating the rotary member, and a guide device for guiding the rotary member and the slider. The guide device has grooves on the inner surface of the tubular body.
    Type: Grant
    Filed: November 20, 1984
    Date of Patent: November 25, 1986
    Assignee: Pentel Kabushiki Kaisha
    Inventors: Toshiyuki Sasaki, Tomozo Sekiguchi
  • Patent number: 4599008
    Abstract: This relates to a fingernail polish cartridge and dispenser. This will be provided as a sealed unit which may be readily placed in a reusable handpiece and wherein there is associated with a cartridge containing the polish a brush attachment and a plunger. When the brush attachment is moved into the cartridge by way of the handpiece, it will automatically open one end of the cartridge, that end being closed by a separately formed plug which has a sealed fit therein. Then a plunger is utilized to displace a removable panel at the opposite end of the cartidge followed by that removable panel seating on a piston and being moved into the cartridge by further movement of the plunger so as to force the liquid nail polish into the brush attachment.
    Type: Grant
    Filed: June 28, 1985
    Date of Patent: July 8, 1986
    Assignee: FIN-TECH Limited Partnership
    Inventors: Patrick J. Furlong, Jack R. Evers, Brian R. Pike
  • Patent number: 4587999
    Abstract: A ball point pen cartridge capable of being pressurized in a pressure vessel including an end stopper having an enlarged section shaped to seal the end of a cartridge tube, a narrower section connected to the enlarged portion and extending into the cartridge, an axial tube running completely through the enlarged section and partly through the narrower section, a radial tube in the narrower section that intersects the axial tube and a flexible, gas impervious tube surrounding the narrower section to form a check valve with the radial tube.
    Type: Grant
    Filed: December 22, 1980
    Date of Patent: May 13, 1986
    Assignee: Pelikan AG
    Inventors: Rudolf Boiko, Gunter Ulrich
  • Patent number: 4543148
    Abstract: A prepackaged dispensing system for a two part permanent adhesive including an adhesive portion and an activator portion. The adhesive portion is housed in the main hollow body of a syringe-like member between an initially closed discharge means end and a sealing piston initially spaced axially form said discharge means end. A removably capped elongated dispensing container, adapted to contain and dispense the activator portion, is telescopically positioned within the hollow body and engages the piston. The combined total axial length of the piston and dispensing container when aligned exceeds the internal length of the hollow main body whereby axial pressure on said container will move said piston and insures substantially total discharge of said adhesive by movement of said piston to the discharge end of said hollow body.
    Type: Grant
    Filed: June 22, 1984
    Date of Patent: September 24, 1985
    Assignee: Illinois Tool Works Inc.
    Inventor: Chester O. Carlson
  • Patent number: 4408919
    Abstract: Apparatus for selectably buttering and salting an article of food such as an ear of corn or the like. A separate butter receptacle and salt receptacle are pivotably interconnected with each other so that the salt receptacle can fit into an opening of the butter receptacle, thereby urging a chunk of butter through a dispensing opening to be spread onto the corn. After the corn is buttered, the buttering and dispensing apparatus may be inverted in position to salt the corn.
    Type: Grant
    Filed: October 9, 1981
    Date of Patent: October 11, 1983
    Assignee: Dart Industries Inc.
    Inventors: Martin J. Wolff, Joseph S. Falvo
  • Patent number: 4408920
    Abstract: The toothbrush has an exterior structure resembling a traditional fountain pen case including a cylindrical end-cap cover which is removable to reveal the brush bristles. The device includes a main cylindrical body shaft having a cross section at the bristle end which is reduced to substantially a minor segment of a circle, and having toothbrush bristles extending transversely and confined within the circular profile of the transverse section of the cylindrical body shaft so that the end cap cover covers the bristles without interference when placed over the bristle end of the body shaft.
    Type: Grant
    Filed: June 1, 1981
    Date of Patent: October 11, 1983
    Assignee: Ready Brush, Inc.
    Inventors: Mike C. Walther, Manuel A. Mena-Reyes
  • Patent number: 4405249
    Abstract: A syringe, primarily for use with rapid hard setting viscous flowable material, has one or more passages in the piston whereby gas but not the viscous flowable material can escape to the rear of the piston.
    Type: Grant
    Filed: March 19, 1981
    Date of Patent: September 20, 1983
    Assignee: National Research Development Corporation
    Inventor: John T. Scales
  • Patent number: 4309119
    Abstract: Applicator device for cosmetic preparations, having a closed, substantially cylindrical casing in which a piston dividing the casing into two variable-size chambers sealed from one another is displaceably disposed, the one variable-size chamber being fillable with the cosmetic preparation and being combined with a removable applicator provided with a passage for the preparation, by means of which the cosmetic preparation can be applied to the body part being treated, in quantities controllable by means of a self-closing valve. The variable-size chamber opposite the preparation reservoir is provided with a connection for bringing in a compressed gas which seeks to displace the piston to reduce the preparation reservoir, and in the passage connecting the preparation reservoir chamber to the applicator there is disposed the self-closing valve preventing escape of the preparation when the applicator is removed.
    Type: Grant
    Filed: June 18, 1980
    Date of Patent: January 5, 1982
    Assignee: Goldwell GmbH, Chemische Fabrik H.E. Dotter
    Inventor: Adam Wittersheim
  • Patent number: 4223999
    Abstract: An applicator is shown for applying a thin coating of stippled plaster or stucco to a ceiling or wall structure. The applicator includes an elongated tubular member that has an open top and is fitted with a piston having an elongated handle that is attached to its underside. The plaster compound is loaded into the tubular member on top of the piston. A porous cover in the form of a net material of fine mesh is fastened over the top end of the tubular member. The plaster compound may be extruded through the porous cover by moving the handle towards the surface to be stippled so as to bring the cover and the top edge of the tubular member into engagement with the said surface.
    Type: Grant
    Filed: December 18, 1978
    Date of Patent: September 23, 1980
    Inventor: Ralph W. Wells
  • Patent number: 4139312
    Abstract: A disposable toothbrush has a handle formed with a cavity which houses by friction a body with integral bristles extending therefrom. The body has a cylinder for a charge of dentifrice and a groove is provided in the handle for a piston which is manually movable to drive the dentifrice through an orifice in the body to the bristles.
    Type: Grant
    Filed: September 29, 1976
    Date of Patent: February 13, 1979
    Assignees: Manuel Seinhart, Norberto Esteban Seinhart
    Inventors: Carlos J. Marano, Enrique Capisano
  • Patent number: 4128349
    Abstract: A fountain brush has a bristle carrier and a set of bristles on one end thereof, a handle attached to the other end of the bristle carrier and a reservoir a channel extends axially through the bristle carrier from the reservoir into the bristle-bearing end of the carrier; the channel has at least one radial outlet orifice in the sidewall of the carrier. A slide valve member is guided sealingly in the interior of the channel. A closure member is adapted for hermetically closing the reservoir. A connecting rod extends substantially axially through the interior of the reservoir and connects the actuating device and the slide valve member to one another.
    Type: Grant
    Filed: January 31, 1977
    Date of Patent: December 5, 1978
    Inventor: Luigi Del Bon
  • Patent number: 4121891
    Abstract: The tape player cleaning device comprises an elongated cylinder having felt pads at either end. One felt pad is designed to remain dry while the other felt pad is provided with a liquid solvent cleaning substance from an internal reservoir chamber with such supply being controlled by a manually actuated plunger mechanism connected to an actuating lever extending outwardly through a longitudinal slot in the barrel of the device. In operation, the end having the felt tip which is to be supplied with liquid is threadably removed whereupon the reservoir is filled by retraction of the plunger and the felt tip is threadably reconnected to its respectively associated end of the device. Thereafter, the tape player parts which require cleaning are accessed by this felt tip end which is supplied with a suitable amount of cleaning fluid by simultaneous manual actuation of the plunger mechanism.
    Type: Grant
    Filed: January 26, 1977
    Date of Patent: October 24, 1978
    Inventor: Guy W. Barron
  • Patent number: 3985456
    Abstract: This disclosure relates to a calligraphic device for artists and craftsman or the like and includes a device whereupon the user can conveniently manuever and control such a device for producing fine lineaments for ornamental or practical features. The apparatus comprises a nozzle device through which a viscose liquid can be controllably fed by means of a hydraulic piston and cylinder arrangement acting on a flexible chamber in the nozzle device. The novel arrangement permits the user substantially full control over the nozzle while feeding the liquid so as to deposit smooth lines of desired thickness and form without over or under feeding.
    Type: Grant
    Filed: April 7, 1975
    Date of Patent: October 12, 1976
    Inventor: Angus Lumsden
  • Patent number: 3937582
    Abstract: A fountain toothbrush is described which comprises a bristle carrier, a set of bristles on the carrier near one end thereof, a rigid handle connected to the bristle carrier at an end of the latter remote from the bristles, and a reservoir for liquid or pasty dentifrice in the handle, wherein the bristle carrier has a duct therethrough leading from the bristle carrier to an outlet near or between the bristles; furthermore piston means mounted on the bristle carrier, and outlet means associated with the reservoir, the aforesaid piston being sealingly guided in the outlet means and adapted for displacement in the outlet means toward and away from the reservoir, whereby dentifrice is caused to flow from the reservoir through the duct towards the bristles by a short displacement of the piston in the outlet means toward the reservoir.
    Type: Grant
    Filed: March 21, 1974
    Date of Patent: February 10, 1976
    Assignee: Trisa Burstenfabrik AG
    Inventor: Franco Del Bon