Strainer, Stopper, Plug Or Closure Patents (Class 4/286)
  • Patent number: 4908883
    Abstract: In a vandal resistant push-pull drain stopper for use with a drain plug of a bathtub or other similar vessel, there is provided a plunger having an inner cylindrical bore, a stem having a reduced portion, an expanded portion and a channeled portion, an O-ring snugly nestled between the stopper and the stem; a cap threadably engaged with the stopper and axially disposed about the upper region of the stem, the cap having a relief inside the hexagonal bore portion thereof so that the stopper freely rotates about the cap by discouraging removal of the cap from the drain stopper; the plunger having a seal radially disposed about the plunger so that when the stopper is in a closed position the seal abuts with the outer periphery of the drain plug thereby sealing the same. The reduced, expanded and channeled portion of the stem permit the drain plug to be open and closed by user and provide tactile "snap in place feel" in the open and close positions while employing only, essentially, two moving parts.
    Type: Grant
    Filed: May 18, 1988
    Date of Patent: March 20, 1990
    Assignee: Price Pfister, Inc.
    Inventor: Samuel T. Rivera
  • Patent number: 4908884
    Abstract: A flexible filter drain is disclosed. The drain has a flexible body, a sealing washer, and a rigid brass drain stem with a sealing lip contacting the upper end of the body. The drain stem is held in sealing engagement with the flexible body by means of the cooperative action of an internal stem rib in the body and a rib member on the stem interlocking with the stem rib biased by the upper sealing lip on the stem cooperating with the upper surface of the body. A drain groove in the body provides fluid and contaminant flow through the drain when the lower party of the body and stem are displaced from axial alignment.
    Type: Grant
    Filed: September 19, 1988
    Date of Patent: March 20, 1990
    Assignee: The Aro Corporation
    Inventors: Scott E. John, Jeffrey L. Miller
  • Patent number: 4879771
    Abstract: A floor clean-out assembly for a drain pipe comprises a tubular adapter having a top shaped to serve as the ball of a ball and socket and a bottom for connection to a drain pipe; and a tubular extension member for extending from the top of the adapter to a floor. The extension member has a bottom shaped to serve as a socket. When the top of the adapter is in the socket of the extension member, the extension member can be rotated so that its top is level with a floor. The adapter and extension member are preferably made of solvent weldable material so they can be readily welded in a desired position.
    Type: Grant
    Filed: February 29, 1988
    Date of Patent: November 14, 1989
    Inventor: James Piskula
  • Patent number: 4845914
    Abstract: This invention relates to a floor drain and methods for its installation, more specifically to a floor or shower drain having two sets of weep holes and to a method for its installation.Conventional drains generally in use today have only one set of weep holes to drain water which may seep down to a water impervious pan. As a result, if the shower stall is installed improperly, water may seep out and cause extensive water damage.The invention relates to a shower drain installation which will be effective in preventing water damage even if the subfloor is not ideally suited for promoting drainage in a shower.
    Type: Grant
    Filed: April 21, 1988
    Date of Patent: July 11, 1989
    Inventor: Allen Burd
  • Patent number: 4835798
    Abstract: A centering tool for disposing and maintaining a basket sink strainer in concentric and superposed parallel relationships with respect to a sink drain hole for subsequent assembled securement of the sink strainer. The centering tool comprises a tubular spider of upper and lower horizontal arms, normal to each other, telescopically mounting extensible tubular elements that are adjustably positionable for contact with the lateral corners of the sink. An adapter member, depending from the center of the spider's lower arm, carries a pronged adapter element that complementally engages arcuate slots in the bottom well of the sink strainer. Vertically disposed tubular feet, depending from the arms, rest upon the bottom surface of the sink.
    Type: Grant
    Filed: May 17, 1988
    Date of Patent: June 6, 1989
    Inventor: Benito B. Hernandez
  • Patent number: 4825477
    Abstract: A pair of spring loaded cylinders each supporting an upwardly projecting post mounted in a drain. A strainer is attached to the drain with the posts porjecting upwards through holes in the strainer. A disposable insert, having a hooked material such as VELCRO sheet on its lower surface, is mounted on a distal end of the posts. Foot pressure on a cover plate mounted on a top surface of the insert forces the VELCRO to contact the strainer and remove all impinged hair and debris.
    Type: Grant
    Filed: August 4, 1987
    Date of Patent: May 2, 1989
    Inventor: John P. Aranda
  • Patent number: 4777676
    Abstract: A sanitary appliance comprising a main basin (11) and an adjacent chamber (1) separated from said basin by a wall (3), said main basin being provided with an outlet (2) communicating with said chamber, said chamber being also provided with an outlet (5), the appliance further comprising an opening and closing device (7) mounted in the chamber and operated from outside the chamber, said device comprising an upstanding pipe movable between a closing position wherein it prevents liquid to flow from the outlet of the main basin directly to the outlet of the chamber, and an open position, wherein it permits such liquid flow; at least a part of the wall (3) separating the chamber and the main basin being removable.
    Type: Grant
    Filed: July 24, 1986
    Date of Patent: October 18, 1988
    Inventor: Kurt S. B. Ericson
  • Patent number: 4751752
    Abstract: A drainhole strainer plug comprising a raised central grating member, a concentric recessed trickle-down member, and a plug.
    Type: Grant
    Filed: December 22, 1986
    Date of Patent: June 21, 1988
    Assignee: Lancer Corporation
    Inventor: Leonard G. Ewing
  • Patent number: 4739524
    Abstract: This invention relates to a floor drain and methods for its installation, more specifically to a floor or shower drain having two sets of weep holes and to a method for its installation.Conventional drains generally in use today have only one set of weep holes to drain water which may seep down to a water impervious pan. As a result, if the shower stall is installed improperly, water may seep out and cause extensive water damage.The invention relates to a shower drain installation which will be effective in preventing water damage even if the subfloor is not ideally suited for promoting drainage in a shower.
    Type: Grant
    Filed: May 1, 1986
    Date of Patent: April 26, 1988
    Inventor: Allen Burd
  • Patent number: 4727604
    Abstract: An improved stopper arrangement is provided, for use with a remote stopper actuating mechanism having a mechanical lever system for raising a central post to which the waste stopper is attached. The improved stopper has a central spindle to which is attached the circular stopper disc by means of which the waste is sealed. A set of guidance vanes located beneath the stopper disc and serving to center it in the waste aperture is separably secured by locking means to the actuating spindle in variable height relationship to the stopper mechanism independently of the stopper. Special cranked tools provide access to the locking means, to preclude vandalization.
    Type: Grant
    Filed: May 15, 1987
    Date of Patent: March 1, 1988
    Inventor: S. G. Petursson
  • Patent number: 4720877
    Abstract: A drain closure that has all of the advantages of and none of the disadvantages of both hand and foot tub closures. A post which is threaded into the bottom of the strainer body receives a stopper which moves up and down on the post to open or close the drain. A metal spring carried by the post exerts a frictional force against the stopper interior sufficient to hold the stopper open and enhance its sealing ability when closed. The stopper can be closed by hand or foot. The stopper cannot be removed without first removing the stopper knob. Out of sight under the stopper is an integral collar which receives an open end wrench which permits tightening of the stopper knob to a point where stopper theft is virtually eliminated.
    Type: Grant
    Filed: January 7, 1986
    Date of Patent: January 26, 1988
    Inventor: Robert R. Watts
  • Patent number: 4706306
    Abstract: A stopper drain guide stem is provided for centering and positioning a stopper in a drain guide hole. The unitary guide stem has a spindle portion extending axially downwardly therefrom for attachment to a drain stopper. The downwardly extending flexible stem portion of the guide element has a radiused nose portion for supporting the drain stopper in its raised, draining position, and for centering the stem and guiding it into a central aperture of the drain body assembly. The intermediate length of the stem portion is bifurcated, having a pair of spaced apart, substantially parallel flexible leg portions with a flexible spacer member extending therebetween intermediate their length, to promote flexibility of the stem, so as to enable its use in a wider range of sizes of guide hole, and to enhance lateral stabilizing frictional engagement of the stem with the inner peripheral surface of the drain guide hole.
    Type: Grant
    Filed: March 9, 1987
    Date of Patent: November 17, 1987
    Inventor: Ronald A. Smith
  • Patent number: 4698861
    Abstract: A dish washing aid device for segregating soapy dish water in a single basin kitchen sink, the device comprising a lower base portion adapted to seal with the bottom wall of the basin about a drain therein, the base portion having a water tight vertically adjustable swivel connection with an upper funnel-like portion serving as a diverter for rinse water and being adapted to be rotated to a position under the sink faucet so that the rinse water may be poured onto cleaned articles to rinse away the soapy water and diverted into the drain without diluting or draining the soapy water in which the remaining articles are soaking.
    Type: Grant
    Filed: August 8, 1986
    Date of Patent: October 13, 1987
    Inventor: Edward F. Bogusz
  • Patent number: 4692948
    Abstract: A sink strainer having a hollow strainer body with an open upper end and an outlet portion at the lower end thereof in which is carried an outlet drainage plate. A basket strainer is operatively mounted in the strainer body and it is movable between an open position and a closed position. A permanent magnet means is provided to assist the water in a sink to create of a strong sealing action between the basket strainer and the strainer body outlet plate when the basket strainer is in the closed position.
    Type: Grant
    Filed: December 22, 1986
    Date of Patent: September 15, 1987
    Assignee: Jomar International, Ltd.
    Inventor: Joseph R. Martin
  • Patent number: 4683597
    Abstract: A drain plug for sealing the waste and overflow drain assemblies during construction and system testing. A threaded bolt extends through a rubber washer. The bolt is screwed into a tapped hole in the shoe assembly of the drain, providing a secure plug that will not blow out during system testing. A sleeve may be employed on the bolt to allow ease of access to the bolt when deep drains are plugged.
    Type: Grant
    Filed: October 20, 1986
    Date of Patent: August 4, 1987
    Inventors: William R. Taylor, Jr., Robert L. Taylor, Richard H. Taylor
  • Patent number: 4671976
    Abstract: Web-type stock material having upwardly projecting filamentary elements and a defined periphery, comprising, in combination, a flexible base member for overlying a floor surface in immediately surrounding relation to a liquid egress opening in the surface, the base member having a central hole for register with the egress opening; and a three-dimensional mat carried by the base member and comprising filamentary elements distributed throughout a volume extending horizontally at least over the entire area of the hole and vertically upwardly above the base member to a locality spaced above the base member for engaging and arresting liquid-carried debris such as hair outside and above the egress opening while permitting flow of liquid downwardly into the egress opening.
    Type: Grant
    Filed: August 13, 1986
    Date of Patent: June 9, 1987
    Inventor: Stella M. Vidal
  • Patent number: 4658449
    Abstract: An adapter for pool drains, including a primary mounting frame secured onto the pool drain with a plurality of arms radiating inwardly and raised to interconnect the second mounting ring. There is further provided a grill work or second secured to the surface of the apparatus for defining a raised screening surface for screening any water flowing into the drain to prevent whirlpooling effect in the drain. Further, the apparatus is adapted for various size drains and is easily removable and set in place.
    Type: Grant
    Filed: September 19, 1985
    Date of Patent: April 21, 1987
    Inventor: Daniel R. Martin
  • Patent number: 4648140
    Abstract: A dish washing aid device for segregating soapy dish water in a single basin kitchen sink, the device comprising a lower base portion adapted to seal with the bottom wall of the basin about a drain therein, the base portion having a water tight vertically adjustable swivel connection with an upper funnel-like portion serving as a diverter for rinse water and being adapted to be rotated to a position under the sink faucet so that the rinse water may be poured onto cleaned articles to rinse away the soapy water and diverted into the drain without diluting or draining the soapy water in which the remaining articles are soaking.
    Type: Grant
    Filed: May 30, 1985
    Date of Patent: March 10, 1987
    Inventor: Walter F. Bogusz
  • Patent number: 4622703
    Abstract: A fitting for coupling a drain pipe to an opening in the base of a shower or other installation where water may accumulate includes a cylindrical body fitted into the opening in coaxial relationship with the pipe and is of greater diameter than the pipe to provide an annular gap between the body and pipe. A resilient annular seal disposed in the gap is proportioned to be radially compressed between the body and pipe and has an annular slot extending downward within the seal from the upper surface of the seal. A rigid annular compressor member is wedged into the slot to increase radial compression at the upper portion of the seal. The construction can be easily installed and removed and tolerates small variations in the vertical position of the shower base relative to the drain pipe.
    Type: Grant
    Filed: August 15, 1985
    Date of Patent: November 18, 1986
    Inventor: Casper Cuschera
  • Patent number: 4574400
    Abstract: A dirt trap for flush basins such as urinals include a perforated base plate and a central projection which receives a basket. The basket includes upwardly extending arms joined together at a location spaced upwardly from the base plate by a connecting ring, the distal ends of the arms being bent inwardly and downwardly toward the central axis of the basket. A weight is provided in the base plate to maintain the position of the dirt trap during flushing.
    Type: Grant
    Filed: November 26, 1984
    Date of Patent: March 11, 1986
    Inventor: Wolfgang Annowsky
  • Patent number: 4562602
    Abstract: A wide floor drain which is adapted to fit a narrow waste pipe includes a wide drain body having an upper flange extending radially outwardly from the upper end thereof and disposed generally flush with a floor surface. The drain body includes external threads which secure an upper exterior nut adapted to compressively engage the underside of the floor. A wide lower flange extending radially inwardly from the lower end defines a narrow bore. A tubular coupling member extends through the lower bore, and includes an upper coupling flange which is dimensioned to be disposed directly superjacent to the lower flange of the drain body. The coupling member also includes exterior threads which secure a lower exterior nut adapted to impinge upon the exterior of the lower flange.
    Type: Grant
    Filed: August 27, 1984
    Date of Patent: January 7, 1986
    Inventor: Casper Cuschera
  • Patent number: 4505814
    Abstract: A roof drain receptacle for mounting on the roof deck of a roofing structure and including an upwardly opening drain body with an externally disposed apparatus for adjustably extending and supporting the drain body so that its open upper end is in the proper drain water receiving position relative to the top surface of the roofing structure.
    Type: Grant
    Filed: April 18, 1983
    Date of Patent: March 19, 1985
    Assignee: Tyler Pipe
    Inventor: Marshall W. Marshall
  • Patent number: 4471497
    Abstract: A lavatory filter for a sink drainage well is provided and consists of a flat annular ring member having an outer circumference larger than the sink drainage well whereby the flat annular ring member will sit on top of the sink drainage well, an annular dome shaped strainer member affixed at its outer edge to the inner circumference of the flat annular ring member and a plurality of curved leaf springs each one having one end affixed to the inner circumference of the flat annular ring member below the annular dome shaped strainer member and bent downwardly to engage the inner peripheral wall surface of the sink drainage well.
    Type: Grant
    Filed: August 20, 1982
    Date of Patent: September 18, 1984
    Inventors: Aramis R. Riutort, George Spector
  • Patent number: 4462123
    Abstract: A fabricated floor drain for waste reception. The drain has a receptor body having a bottom outlet and generally vertical side walls. A top rim is affixed to the top of the body and a large top flange having a removable screed guide is affixed to the top rim.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: July 31, 1984
    Assignee: Acorn Engineering Company
    Inventors: Earl L. Morris, V. Walter Hafner
  • Patent number: 4457030
    Abstract: A waste outlet fitting for a bath, basin, sink or the like comprises a tubular body in which a plug is captively mounted. The plug includes a part-spherical periphery which is complementary to a part-spherical seat formed in the tubular body. The plug may be rotated between the closed position shown and an open position in which the plug member stands up-right within the tubular body by application of finger pressure to the edge of the plug. The tubular body may comprise an outer tubular member and insert member as illustrated, or may be in the form of an integral plastics moulding.
    Type: Grant
    Filed: May 17, 1983
    Date of Patent: July 3, 1984
    Inventor: Russell D. Burry
  • Patent number: 4455693
    Abstract: A self-contained, two-piece gasket sealing arrangement for drains and pipe connections includes a sleeve-like, cylindrical sealing gasket which is adapted to be secured about a pipe. The gasket includes a deep annular groove extending in one end thereof parallel to the axis of the gasket. A second gasket member includes a generally cylindrical, sleeve-like portion which is adapted to be received within the annular groove of the first gasket member. The second member includes a plurality of slot openings extending longitudinally therein and aligned with screw holes extending in one end of the second member. The first gasket member is provided with similarly spaced screw holes extending in one end thereof. A pair of compression rings are also provided, one of the rings including threaded posts extending parallel to the axis of the assembly and received in the screw holes of the first gasket member.
    Type: Grant
    Filed: June 15, 1982
    Date of Patent: June 26, 1984
    Inventor: Casper Cuschera
  • Patent number: 4447918
    Abstract: In a pop-up drain fitting threadedly secured to a spider at the lower end of the drain body, the improvement comprising a detent member pivotally joined to the lower end of the pop-up drain fitting. A stop member is disposed adjacent to the detent member to permit the detent member rotation in only one direction. The detent member depends downwardly by gravitational force to extend through the spider. Clockwise threading motion of the pop-up fitting into the drain body is permitted by the detent arm; counterclockwise rotation of the pop-up fitting causes the spider to impinge upon the detent arm and drive it into the stop member, thereby preventing removal of the pop-up fitting.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: May 15, 1984
    Inventor: Casper Cuschera
  • Patent number: 4420844
    Abstract: An improved drain valve is disclosed for selectively sealing a conduit. The drain valve comprises a drain housing installed in a bathtub or the like, latching means threadedly coupled to the housing and a combination drain stopper and actuator coupled to the latching means. A locking member coupled to the latching means is adapted to allow the latching means to threadedly engage the drain housing, but prevent disengagement therefrom, without the use of a tool specially made to release the locking member. Upon release of the locking member by use of the tool, the latching means and combination drain stopper and actuator may be disengaged from the housing.
    Type: Grant
    Filed: November 18, 1982
    Date of Patent: December 20, 1983
    Assignee: Rapid Fit Enterprises, Inc.
    Inventors: William E. Puckett, Wanda F. Baird, Richard C. Chappell
  • Patent number: 4418432
    Abstract: A new article of flexible and springy though rigid enough water impervious material provided with spikes or bristles or open web of crinkled filaments or rough indented openings to be installed around any conventional stopper for preventing hair, hairpins, or any other object carried away with the water flow during the taking of showers or washings or the like, from entering and clogging the drainpipes of bathtubs, lavatories and the like, through an entangling action carried out by said spikes or bristles or web or rough indented openings, and said article having a body which is shaped to be adapted to surround the lifted conventional pop-up stoppers or the like, of the drain control systems of bathtubs, lavatories and the like, and which may take any of several preferred cross section forms, such as for example, a hollow core elongated semicylindrical form which is integral with a flat imperforate lower portion or base, providing several preferred undersurfaces or a hollow core cylindrical form, or a vertic
    Type: Grant
    Filed: August 26, 1981
    Date of Patent: December 6, 1983
    Inventor: Stella M. Vidal
  • Patent number: 4412361
    Abstract: A selectively sealable drain fitting includes a tubular drain body having a spider in the lower end thereof. An upwardly extending rectangular post is joined to the center of the spider, and is provided with a lateral slot in one face thereof and an oblique camming surface directly superjacent thereto. A drain sealing cover is provided with a downwardly depending hollow tubular portion which is received about the rectangular post and maintained in an eccentric disposition thereabout by an eccentric lip extending laterally from the upper end of the post. A latch pin extending laterally through the tubular portion of the cover engages the camming surface and the slot in the post in detent fashion. A button actuator extends upwardly from the center of the cover, and is connected to an arm which is slidably disposed within a slot in the bore of the tubular member. The drain fitting is sealed by urging the cover downwardly so that the latch pin is engaged by the slot.
    Type: Grant
    Filed: December 14, 1981
    Date of Patent: November 1, 1983
    Inventor: Casper Cuschera
  • Patent number: 4409692
    Abstract: A garbage-disposal scraper-protector for use with a garbage disposal unit under a sink. A disk fits loosely in a lower portion of the drain opening of the sink and provides a plurality of narrow openings enabling water to flow at all times from the sink into the garbage disposal unit. A stem extends up from the top of the disk and a handle cross-member extends horizontally across the upper end of the stem. The cross-member is long enough to bridge the drain opening and prevent the disk from dropping below the drain opening. A short, flexible scraper is secured to and extends down from the bottom of the disk a distance only slightly below the drain opening and well above the operating portions of the garbage disposal unit. The entire scraper-protector is preferably a single integral molded member of plastic.
    Type: Grant
    Filed: October 28, 1982
    Date of Patent: October 18, 1983
    Inventor: Virginia V. Ness
  • Patent number: 4381569
    Abstract: An adjustable drain plug for use in sinks and lavatories especially to replace a previous drain plug which is either lost or broken. The drain plug comprises an elongated, flexible plastic or rubber stopper which removably fits into the hole in the drain and has a flanged top covered by a rigid top cover of metal or plastic. An elongated drain member is preferably constructed in a sleeve formation in two sections and receiving a threaded stud attached to the head and also adjustably threaded into the top of the member with a lock nut thereon. The two sections are adjustable being connected by a threaded stud and there is an adjustable foot on the bottom of the member either in the form of a flat disc or a hook. Alternatively, the stopper may be formed in four tapered sections which may be screwed down and over the top of the member.
    Type: Grant
    Filed: August 13, 1981
    Date of Patent: May 3, 1983
    Inventor: J. Richard Ingram
  • Patent number: 4380834
    Abstract: A pop-up plunger for selectively closing a generally cylindrical waste drain pipe having a seat at one end and a closure actuator remote from the seat, the plunger comprises a head portion including sealing means for engaging the seat for closing the waste drain pipe. The plunger also includes a support portion which extends from the head portion into the waste drain pipe. The support portion engages the closure actuator for axial displacement of the plunger relative to the waste drain pipe for opening and closing the waste drain pipe and includes guide means projecting into close proximity to the waste drain pipe for guiding the axial displacement of the plunger. The guide means provides at least one drain passage past the plunger to afford communication from the seat to a drain through the waste drain pipe.
    Type: Grant
    Filed: March 31, 1982
    Date of Patent: April 26, 1983
    Inventor: Frederick E. Wentz
  • Patent number: 4369531
    Abstract: A strainer for a tub drain has a spring-biased plunger for moving the stopper from its closed position to an open, liquid flow position. The plunger has a stem that extends into the passageway of the body of the strainer, and is mounted thereon for axial reciprocation between an extended outward (open) position and a depressed inward (closed) position. An axial bore extends through the stopper member, and provides a surface portion conforming to the corresponding portion of the plunger stem. Inward movement of the plunger causes a sealing ring, which is mounted on the stem portion, to be displaced to a position of frictional engagement on the corresponding surface portion of the stopper member bore. Subsequent outward movement, under the force of the biasing spring, causes the plunger to lift the stopper member away from the seat portion of the body, and thereby to open the strainer.
    Type: Grant
    Filed: May 4, 1981
    Date of Patent: January 25, 1983
    Assignee: Macristy Industries, Inc.
    Inventor: Richard G. Swanson
  • Patent number: 4359788
    Abstract: This invention discloses a disc type kitchen sink drain valve mounted on a strainer that is placed in the well provided in the bottom of a kitchen sink, the drain valve comprising a sleeve fixed vertically and substantially at the center of the bottom plate of the strainer, a valve member having a valve stem slidably inserted in the sleeve, and fixed at the lower end of the valve stem an elastic valve body of disc type capable of moving up and down with the valve stem to open and close the drain port provided at the bottom of the well of the kitchen sink by uncovering and covering the drain port.
    Type: Grant
    Filed: August 13, 1980
    Date of Patent: November 23, 1982
    Inventor: Shu-Lien Liou
  • Patent number: 4339832
    Abstract: A flush mounted, pop-up drain fitting includes a shallow, hollow cylindrical drain body having a flange extending radially outwardly from the upper end thereof and adapted for flush mounting with a tub or basin surface. A plurality of arms extend downwardly from the lower end of the drain body, the arms extending obliquely inwardly toward the axis of the drain body. The lower, distal ends of the arms are joined to a lower cylindrical member which is provided with an axially disposed threaded hole. A pop-up drain mechanism is secured in the threaded hole, and is positioned to form a seal with an annular lip in the lower end of the drain body. In the sealed or closed position, the pop-up drain fitting is substantially flush with the upper surface of the flange.
    Type: Grant
    Filed: April 25, 1980
    Date of Patent: July 20, 1982
    Inventor: Casper Cuschera
  • Patent number: 4336620
    Abstract: A self-skimming dish rinser for adaptation in a standard conventional sink comprising a liner inserted in the sink having side walls approximately equal to but slightly less than the sink side walls and a tray bottom having a drain opening fitting and aligned with the sink drain opening. The rinser including centering structure extending from the drain opening for facilitating such alignment. Additionally, the rinser side walls and bottom are sized and shaped to fit inside the conventional sink and the rinser side walls are spaced a predetermined distance from the sink side walls and remain in that position via the centering structure extending from the drain opening.
    Type: Grant
    Filed: July 7, 1980
    Date of Patent: June 29, 1982
    Inventor: Peter P. Gresh
  • Patent number: 4329744
    Abstract: A shower receptor drain assembly includes a generally cylindrical drain body having a flange extending upwardly from the upper end thereof. An inner flange extends radially inwardly from the lower edge of the drain body, and is provided with an inner diameter which permits a waste discharge pipe to extend upwardly therein. A plurality of bosses extend upwardly from the inner flange and are spaced equally thereabout. An annular sealing gasket is disposed within the drain body and received about the upper end of the waste discharge pipe. A compression ring is disposed directly superjacently of the sealing gasket, and a plurality of screws extend through the ring and through aligned passages in the gasket to be retained in tapped holes in the plurality of bosses. The screws cause compression of the sealing gasket to effect a leak-proof seal of the waste pipe within the drain body.
    Type: Grant
    Filed: September 26, 1980
    Date of Patent: May 18, 1982
    Inventor: Casper Cuschera
  • Patent number: 4321713
    Abstract: A large capacity drainage receptacle for flush mounting in a surface to be drained including an especially configured mounting flange from which a receptacle body integrally depends. The drainage receptacle is formed of light weight thin-wall stainless steel and is configured to demountably support a strainer basket therein for catching and retaining solid foreign materials and for demountably supporting a flush mounted perforated cover plate thereon for supporting traffic passing over the drainage receptacle.
    Type: Grant
    Filed: November 17, 1980
    Date of Patent: March 30, 1982
    Inventor: C. Ames Thompson
  • Patent number: 4310933
    Abstract: A disposer mount assembly includes a non-rotatable plastic sink flange having a tubular portion extending downwardly through and beneath the drain opening and terminating in a lip resiliently embraced by an elastomeric cushion mount, a mounting ring with inclined camming slots rotatably mounted on the tubular portion by the cushion mount, and a disposer hopper having an upper flange with lugs projecting radially outwardly therefrom into the camming slots. Selective rotation of the mounting ring cams the lugs upwardly along the inclined camming slots to a final locked position therein in which the correspondingly elevated hopper flange is connected to the mount ring and compresses the cushion mount, thereby to provide a tight resilient seal between the disposer and sink flange to absorb vibration and sound.
    Type: Grant
    Filed: July 6, 1979
    Date of Patent: January 19, 1982
    Assignee: Tappan Company
    Inventor: Jerome F. Stratman
  • Patent number: 4301557
    Abstract: A strainer structure for sinks and the like which minimizes clogging. The wall of the strainer which engages the material to be strained is formed with channels opening inwardly of the draining space. The opposed sides of each channel are apertured to permit passage of liquid therethrough to minimize clogging of the apertures by the material to be strained. The structure is applicable to planar and curved walls.
    Type: Grant
    Filed: March 7, 1977
    Date of Patent: November 24, 1981
    Inventor: Hank Walraven
  • Patent number: 4261378
    Abstract: An accessory adapted to be attached to the drain opening of a sink of a parts washer including an upright tubular housing, having a plurality of drain ports at a lower end thereof. A stopper is selectively movable in said housing from a first position above the drain ports to a second position below the ports by the application of force to a shaft operatively coupled thereto. In the first position of the stopper, drainage of fluid from the sink occurs through the drainage port and the drain outlet. In the second position, fluid is blocked from egress through the drain port and the drain opening of the sink and collects in the sink to a predetermined level whereby a series of overflow drain ports drain excess fluid to maintain a constant level of solvent. The shaft is coupled to a spring urging the stopper to the first position when a force is removed from the shaft.
    Type: Grant
    Filed: July 19, 1979
    Date of Patent: April 14, 1981
    Assignee: Safety-Kleen Corporation
    Inventor: Karl G. Otzen
  • Patent number: 4232407
    Abstract: A basket strainer and stopper assembly for a sink includes a strainer basket, a stopper positioned below the basket strainer for sealing the sink drain opening and an axial stem. The stem has an upper portion which serves as a handle and a lower forked portion which has tines or legs which both support the strainer-stopper assembly in the open drain position and retain it securely in the closed drain position. The legs of the forked portion of the stem are resilient and arcuate and they rest upon a plate extending across the drain opening to support the assembly in the open position. The drain is closed by exerting sufficient downward force on the handle portion of the stem to spring the resilient legs toward each other so they pass through and are retained in a detent opening in the plate. The drain is reopened by pulling upward on the handle with sufficient force to raise the entire assembly and to once again spring the legs toward each other so that they will pass through the detent opening.
    Type: Grant
    Filed: March 19, 1979
    Date of Patent: November 11, 1980
    Assignee: Bradley Corporation
    Inventor: Frank N. Williams
  • Patent number: 4224701
    Abstract: Disclosed herein is a pest and odor preventive sanitary drain which utilizes the continuous property of liquids and permits a twisting downward discharge of waste water and keeps a certain waste water retention level in the water holder therebeneath so that the inlet of the discharge pipe is obstructed; in addition, a deodorizer is used for complete prevention of odor and pests towards a house so that indoor sanitation is maintained and human health is protected.
    Type: Grant
    Filed: October 4, 1978
    Date of Patent: September 30, 1980
    Inventor: Ching-Piao Huang
  • Patent number: 4217667
    Abstract: A lint separator and filtering device for preventing clogging of waste water drain openings by lint and other solid materials discharged from a clothes washer. The filter device comprises a frustro-conical shaped screen-like filter having an upper end defining an overflow opening, and a lower end containing means for attaching the filter device to a drain.
    Type: Grant
    Filed: May 4, 1979
    Date of Patent: August 19, 1980
    Inventor: Stanley W. Whitehouse
  • Patent number: 4207631
    Abstract: This disclosure pertains to strainers adapted to be inserted within drain openings, located in floors, sinks, and tubs, having a handle attachment fitted to a reticulated or foraminated cup-like strainer. The handle may either rotate or retract or both so as to become substantially flush with the surface containing the drain opening. The strainer has a supporting mechanism for resting on the floor or on a recess adjacent the drain opening in the floor.
    Type: Grant
    Filed: July 26, 1978
    Date of Patent: June 17, 1980
    Inventor: Gary Baggey
  • Patent number: 4205710
    Abstract: A device for safe disposal of chemical wastes for placement in a sink atop the drain for the simultaneous mixing of disposable flowable material and flushing liquid, such as tap water, into the sink drain. The device consists of a funneling means in cooperation with a supporting sleeve essentially a cylindrical strainer attached to a beveled horizontal flange which extends inward beyond the supporting sleeve in close proximity of the funneling means to form an annular opening there between. The flange supports the funnel device over the sink drain.
    Type: Grant
    Filed: May 15, 1978
    Date of Patent: June 3, 1980
    Inventor: Boleslaw L. Dunicz
  • Patent number: 4198717
    Abstract: A trap to be installed in a wall leading to a drain comprises an assembly of interfitted modular units, molded or deep-drawn from corrosion-resistant synthetic resin, which include an upwardly open housing of rectangular outline, a conduit with a bottom inlet and a lateral outlet removably inserted in that housing, a catch basket receivable in the housing alongside the conduit, a lid for the housing, and a possible extension interposable between the housing and its lid. The inserted conduit may be provided with an externally manipulable shut-off valve between its inlet and outlet, and/or with a hinged flap serving as a check valve; alternatively, it may have an internal tongue designed to raise its liquid level for a more effective stopping of the escape of sewer gases. One or more extensions may be secured to the housing with the aid of external clamps engaging outer peripheral flanges thereof.
    Type: Grant
    Filed: April 7, 1978
    Date of Patent: April 22, 1980
    Inventor: Bernhard Kessel
  • Patent number: 4185336
    Abstract: A deenergized solenoid operated valve normally closes the drain line of a sink, basin, tub or toilet bowl, the valve thus serving as a stopper. When a pushbutton switch is closed, the solenoid is energized to retract the valve and open the drain, a flow responsive switch maintaining the solenoid energized until all of the water has drained from the sink or bowl. A float responsive switch will also energize the solenoid to retract the valve and open the drain if water accumulates from a leaky faucet. Whenever water is drained, the low pressure or vacuum that results produces an accompanying venting action. The invention may be used with a P or S-type drain connection and/or with a conventional stack vent, but does not require that any of these be employed.
    Type: Grant
    Filed: September 11, 1978
    Date of Patent: January 29, 1980
    Inventor: Lyle M. Young
  • Patent number: RE31561
    Abstract: A large capacity drainage receptacle for flush mounting in a surface to be drained including an especially configured mounting flange from which a receptacle body integrally depends. The drainage receptacle is formed of light weight thin-wall stainless steel and is configured to demountably support a strainer basket therein for catching and retaining solid foreign materials and for demountably supporting a flush mounted perforated cover plate thereon for supporting traffic passing over the drainage receptacle.
    Type: Grant
    Filed: July 12, 1982
    Date of Patent: April 24, 1984
    Inventor: C. Ames Thompson