US20130340155A1 - Device comprising actuating mechanisms with a pedal and comprising a hydraulic actuator for lifting and lowering, respectively, the cover and the seat of a wc - Google Patents

Device comprising actuating mechanisms with a pedal and comprising a hydraulic actuator for lifting and lowering, respectively, the cover and the seat of a wc Download PDF

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Publication number
US20130340155A1
US20130340155A1 US14/003,057 US201214003057A US2013340155A1 US 20130340155 A1 US20130340155 A1 US 20130340155A1 US 201214003057 A US201214003057 A US 201214003057A US 2013340155 A1 US2013340155 A1 US 2013340155A1
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United States
Prior art keywords
lid
toilet
seat
axis
cam
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Abandoned
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US14/003,057
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English (en)
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Carlo Gomez Espana Collignon
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Individual
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Individual
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K13/00—Seats or covers for all kinds of closets
    • A47K13/10—Devices for raising and lowering, e.g. tilting or lifting mechanisms; Collapsible or rotating seats or covers

Definitions

  • the present invention relates to means and devices used in toilets or lavatories; particularly relates to means used to raise and lower the lid and seat of a toilet without direct contact with the hand and more specifically is referred to a novel device with pedal drive mechanism and hydraulic actuator to raise and lower, respectively, the lid and seat of a toilet independently or simultaneously.
  • toilets commonly used are shaped in such a way that structurally comprise a bowl consisting of a body having a central cavity of round or oblong hole, with an internal trap which discharges by a base fixed to floor and where the exit of the trap is connected to the sanitary drainage network; said bowl comprising an upper tank where a volume of water is deposited, which is connected through a duct with said bowl; wherein said ducts comprise a ball-cock supply valve with driving means for discharging water into the bowl.
  • a water supply conduit from a water supply source of domestic network or public network is connected directly into the water storage upper tank, comprising or not a control bypass valve; wherein said tank comprises valve means controlled by a float element to control the volume of water to be stored and discharged to the toilet, to dislodge micturitions and/or feces.
  • the toilet bowl hole comprises in the back part, some orifices where are inserted fixing means for a collapsible bowl hole cover lid and seat which are in a round or horseshoe shape, disposed below the lid and over the edge of the bowl hole, that is used for reasons of hygiene to prevent the user from having direct contact with the toilet surface, as well as provide greater comfort to the user.
  • the covering lid of the bowl consists of a solid body similar to the hole shape (round or oblong) and the seat has an annular or elliptical shape that follows the contour of the bowl hole, some seats are shaped like a horseshoe. Said seat is used so that people to sit on it and avoid direct contact with the bowl surface; in some cases the seat is padded for comfort, while the lid allows covering the bowl hole.
  • Patent application MX/a/2009/005262 is intended to protect a hydraulic driving device for raising and lowering the covering lid and seat of a toilet, characterized by comprising a casing comprising two hollow chambers attached, one left and one right, the cameras housing a left rotatable shaft and a right rotatable shaft, respectively; both shafts comprise a counterweight fixedly rotatable together with the shaft within the chambers, each chamber also houses a left and right resilient diaphragm, attachment and interacting with the counterweights, said diaphragms comprise at least one connecting pivot where is connected a supplying duct and/or working fluid exit to actuate-push the counterweight when they are inflated with working fluid supplied by an automatic system or by a contact driving elements system and cause the turn of said shafts connected to a cover and a seat of a toilet, respectively, and which comprise at the back part, one left and one right connecting flanges with orifice through which is inserted one left and one right fixing bolts which is fixed at the
  • the application MX/a/2009/009461 seeks protection of improvements for a hydraulic driving device to raise and lower the covering lid and seat of a toilet, of the kind formed by two left and right modules linked together, where each module has their respective elements and has the same conformation, characterized by said left and right modules comprise a casing, comprising internally an central transverse axis whose ends protrude and wherein said casing is internally divided into three semicircular recesses; the left axis end is attached to the lid and the right axis end to the seat, the opposite end being fixed to a drive plate of three flanges, remaining housed one flange in each cavity of the casing; also being housed in each cavity a cylindrical diaphragm attached to each of the flanges, which when are filled with water pressed the flanges simultaneously causing partial turn of the axes which being coupled to the lid (left axis) or to the seat (right axis) are lifted together or separately or folded down on its rotary displacement when discharged; said
  • the devices operate based on diaphragms that must be filled with water to drive some shafts through some flanges, which are attached at their ends to a cover and seat to raise and lower in their turns.
  • the device offers multiple embodiments in the two applications, but requires of multiple hydraulic connections that make complex the assembly, the operation and activation by the user.
  • pedals which can be actuated by pedal, but these pedals comprise valve means that regulate water flow into a mechanism to raise the lid and seat, so that requiring connections and hydraulic lines, as well as actuation means operating with the water power so as to raise and lower the lid and seat.
  • a device with pedal drive mechanism without the intervention of valve or hydraulic actuators to lift the lid and seat and optionally include hydraulic means for lowering the lid and seat automatically after to discharge the water from the tank when the toilet has been used.
  • the device as is conceptualized is novel as it is designed and developed after multiple tests, developments, research, investment of financial, personnel and supplies resources, which has allowed obtaining the device object of the present invention.
  • the main object of the present invention is to make available a device with pedal drive mechanisms to raise the lid and seat of a toilet and with hydraulic actuators to lower the lid and seat automatically, once toilet tank water is discharged to dislodge debris from the toilet.
  • Another object of the invention is to make available such a device with pedal drive mechanisms to raise the lid and seat of a toilet and with hydraulic actuators to lower lid and seat automatically when the water tank is discharged, which also provide greater safety and hygiene to the toilet users.
  • Another object of the invention is to make available such a device with pedal drive mechanisms to raise the lid and seat of a toilet and with hydraulic actuators to lower the lid and seat automatically when the water tank is discharged, which also avoids the possibility of infection by users, avoiding splashing the seat with urine.
  • Another object of the invention is to make available such a device with pedal drive mechanisms to raise the lid and seat of a toilet and with hydraulic actuators to lower the lid and seat automatically when the water tank is discharged, which is also structurally simple, easy to manufacture, easy to drive and easy to install.
  • Another object of the invention is to make available such a device with pedal drive mechanisms to raise the lid and seat of a toilet and with hydraulic actuators to lower the lid and seat automatically when the water tank is discharged, which is also easy to install, of simple structure, practical, functional and easy operation.
  • the device with pedal drive mechanisms and hydraulic actuator to raise and lower, respectively, the lid and seat of a toilet in accordance with the present invention comprises a support structure housing a first rotatably axis and a second axis disposed collinearly and partially separated at their ends enclosed within said support structure; the first axis being longer and being attached at the end which protrudes laterally from said support structure at the back side part of the toilet lid; said second axis is short and protruding at its end opposite to said support structure to be affixed to the back side part of a toilet seat.
  • the first axis attached at its end to the lid and the second axis attached at its end to the seat comprise fixedly at the collinear attached internal ends of the support structure, a first cam and a second cam, respectively, adapted to receive and hold the end of a first cable and a second cable; the two cables of each cam out from underneath the support structure and extends from the back part of the toilet by the sides to the front part thereof, the end of the first cable is connected to a first pedal element and the end of the second cable is connected to a second pedal element, independent of each other, but mounted in the same structure, to be actuated with a foot.
  • said first pedal having attached the first cable extending and fixed to said first cam that is fixedly mounted on said first fixed axis at the lid, is wider than the second pedal, for identification.
  • the first wider pedal when is desired to lift the lid for use the toilet to defecate, the first wider pedal is pressed with the foot to retract the first cable that pulls the first cam making rotate to said first axis and being attached at its end to the lid, lifts, leaving the seat in normal position to use the toilet, said first pedal remains in actuated position without returning to its rest position.
  • the device may comprise optionally or jointly a mechanism activated with hydraulic piston to allow a second turn in the opposite direction of said axes and hence to lower the lid and seat simultaneously or independently and automatically when the water is discharged from the toilet tank once it has stopped using.
  • Said support structure comprises a base comprising vertical support means where rest and rotate said first axis and second axis and a cover which is mounted on the base and is coupled to the same with attachment means, to internally protect the axes and actuation cams.
  • the support structure is fixed to the toilet in the back part of the hole of said toilet, attached to the base of the water reservoir and employs a hollow fixing means penetrating through a hole formed in the toilet and which has screw means for fixing; through said hollow fixing means penetrate the pedal drive cables and through a hole formed in the base of said support structure.
  • Said hydraulic piston actuated mechanism comprises of a hydraulic piston whose rod makes an upstroke when pressurized water enter to said piston, to push and turn optionally a third cam mounted on said first axis fixed to said lid and to push simultaneously or separately a fourth cam fixed to a third hollow axis mounted on said first independent rotatably axis and fixed at one of its ends to said seat.
  • Said hydraulic piston comprises a bottom connection where a water supply duct is connected from a supply source and housing internally a rod as upstroke element comprising a recoil enveloping spring, said piston comprising a first lower hole for entry of water which is in communication with a second transversal hole that allows the water supply through a side exit of the piston connected via a supply duct to the bottom outlet of the water storage tank of the toilet for filling it when discharged by effect of pressure differential.
  • Said hydraulic piston is fixed in the back and bottom parts to said toilet by means of a hollow fixing element which penetrate in a second orifice formed on said toilet, and also holds said base of the support structure to secure it at the same time over the toilet in the back part of the hole thereof, through said hollow fixing element the piston rod makes its stroke and penetrates through a second hole formed in the base of the support structure to drive the axes cams to lower the lid and seat as described.
  • Said base support structure cover comprises secure elements to prevent fold-down or lower the lid folded and locking elements which lock the piston element to prevent fold-down or lower the lid and seat;
  • said secure element comprises a horizontal travel button mounted in a horizontal groove of said casing and being connected to a guide rail element embracing a protrusion of said first cam, which being slidably embraced by said first elongate axis which is attached to the lid, can moves horizontally to remove said first cam and to avoid contact with the cross shaped thrust cam; in this way is disabled the axis of the lid and prevents the lid is lowered when the water tank is discharged, pushing only the second cam fixed to said third hollow axis mounted in said first independent rotatably axis and fixed at one of its ends to said seat in order to fold-dawn or lower the seat only.
  • Said locking element comprises a button slidably mounted in a horizontal groove of the casing and which comprises fixedly a locking cam; so that when said button slides horizontally said locking cam moves obstructing the upstroke of the piston rod and avoids that when discharging the water tank of the toilet, the lid and seat lower automatically.
  • FIG. 1 shows an exploded view of the device with pedal drive mechanisms and hydraulic actuator to raise and lower, respectively, the lid and seat of a toilet in accordance with the present invention.
  • FIG. 2 shows a conventional perspective view of the device with pedal drive mechanisms and hydraulic actuator to raise and lower, respectively, the lid and seat of a toilet, in the embodiment shown in FIG. 1 .
  • FIG. 3 shows a side view of the device with pedal drive mechanisms and hydraulic actuator to raise and lower, respectively, the lid and seat of a toilet, with a cut in the support structure, in accordance with FIGS. 1-2 .
  • FIG. 4 illustrates a conventional perspective view of the device with pedal drive mechanisms and hydraulic actuator to raise and lower, respectively, the lid and seat of a toilet, already installed in the toilet.
  • FIG. 5 shows a left side view of a toilet with the device with pedal drive mechanisms and hydraulic actuator to raise and lower, respectively, the lid and seat of a toilet.
  • FIG. 6 shows a right side view of a toilet with the device with pedal drive mechanisms and hydraulic actuator to raise and lower, respectively, the lid and seat of a toilet.
  • FIG. 7 illustrates a conventional perspective view of the device with pedal drive mechanisms and hydraulic actuator to raise and lower, respectively, the lid and seat of a toilet when the lid has been lifted.
  • FIG. 8 illustrates a conventional perspective view of a toilet with the device with pedal drive mechanisms and hydraulic actuator to raise and lower, respectively, the lid and seat of a toilet which has been actuated to lift the lid.
  • FIG. 9 illustrates a conventional perspective view of the device with pedal drive mechanisms and hydraulic actuator to raise and lower, respectively, the lid and seat of a toilet when has been lifted the lid and seat.
  • FIG. 10 illustrates a conventional perspective view of a toilet with the device with pedal drive mechanisms and hydraulic actuator to raise and lower, respectively, the lid and seat of a toilet which has been actuated to lift the lid and seat.
  • FIG. 11 shows a rear view of the device with pedal drive mechanisms and hydraulic actuator to raise and lower, respectively, the lid and seat of a toilet, showing the safe and lock elements of the cams.
  • FIG. 12 illustrates a conventional perspective view of the device with pedal drive mechanisms and hydraulic actuator to raise and lower, respectively, the lid and seat of a toilet with the hydraulic actuator mechanism which is actuated to lower the lid and seat.
  • FIGS. 12 a and 12 b illustrate perspective conventional views of the hydraulic actuator mechanism which is actuated to lower the lid and seat simultaneously.
  • FIG. 13 shows the hydraulic actuator mechanism that has been driven to lower the seat and showing the secure element which is actuated to disable the first cam of the first axis attached to the lid to prevent from is lowered, that is to said, when it is desired lowering only the seat.
  • FIG. 14 illustrates a conventional perspective view of the device with pedal drive mechanisms and hydraulic actuator to raise and lower, respectively, the lid and seat of a toilet, when the lock element has been actuated to prevent the lid and seat to be lowered and keep them lifted.
  • the device with pedal drive mechanisms and hydraulic actuator to raise and lower, respectively, the lid 8 and seat 9 of a toilet 18 in accordance with the present invention comprises a support structure 1 comprising a base 2 comprising vertical support means 3 where rest a rotatably first axis 4 and a second axis 5 , and a cover 6 which is mounted on the base 2 and which is coupled thereto with fixing means 7 .
  • first axis 4 and second axis 5 are arranged collinearly and partially separated at their ends enclosed within said support structure 1 ; the first axis 4 being longer and being attached at the end protruding laterally from said support structure at the back side part of the lid 8 of a toilet; said second axis 5 is short and protrudes at its end in the opposite side of said support structure 1 to be affixed to the back side part of a toilet seat 9 .
  • the first axis 4 attached at its end to the lid 8 and the second axis 5 attached at its end to the seat 9 comprise fixedly with fixing means 10 at the collinear attached internal ends of the support structure 1 , a first cam 11 and a second cam 12 , respectively, adapted to receive and hold the end of a first cable 13 and second cable 14 ; the two cables of each cam out from underneath the support structure 1 and extending from the rear part of the toilet by the sides to the front part thereof; the end of the first cable 13 is connected to a first pedal element 15 and the end of the second cable 14 is connected to a second pedal element 16 , independent of each other, but mounted in the same structure 17 , to be driven with one foot.
  • the support structure 1 is fixed to the toilet 18 in the back part of the hole of said toilet, attached to the base of the water tank 19 and is used a fixing hollow means 20 which penetrates through a orifice (not shown) formed in the toilet 18 and has threaded means 21 for fastening; through said fixing hollow means 20 penetrate the cables 13 and 14 of actuation with pedal and through an orifice 22 formed in the base 2 of said support structure 1 .
  • the first pedal 15 when it is desired to lift the lid 8 for using the toilet to defecate, the first pedal 15 is pressed by foot to retract the first cable 13 which pulls the first cam 11 making rotate said first axis 4 and being attached at its end to the lid 8 , lifts it, remaining the seat 9 in a normal position to use the toilet, said first pedal 15 remains in actuated position without returning to its rest position.
  • both the first pedal 15 and the second pedal 16 which pull the corresponding cables 13 and 14 attached to said cams 11 and 12 , attached in turn to said first 4 and second 5 axes connected to the lid 8 and seat 9 , respectively, to lift them simultaneously.
  • the device further includes a hydraulic piston actuated mechanism to allow a second turn in the opposite direction of said axes and hence to lower the lid and seat simultaneously or independently and automatically when water from the toilet tank is discharged, once it has stopped using.
  • a hydraulic piston actuated mechanism to allow a second turn in the opposite direction of said axes and hence to lower the lid and seat simultaneously or independently and automatically when water from the toilet tank is discharged, once it has stopped using.
  • said hydraulic piston actuated mechanism to allow for a second turn in the opposite direction of said axes 4 and 5 and thus to lower the lid 8 and seat 9 simultaneously or independently and automatically when water is discharged from the toilet tank once it has stopped using, consists of hydraulic piston 23 which comprises a bottom connection where is connected a water supply conduit 24 from a supply source and which internally houses a rod 25 as upstroke element comprising a recoil enveloping spring 26 ; said piston 23 comprises a first bottom hole (not shown) to the water inlet being in communication with a second transverse hole (not shown) which allows the water supply through an side exit 27 of the piston connected through a supply conduit 28 to the lower intake of the water storage tank 19 of toilet 18 to fill it when is discharged by effect of pressure differential.
  • the rod 25 of the piston 23 comprises fixedly at its upper end a cross shaped thrust cam 29 , which in its upstroke abuts and pushes a third cam 30 slidably mounted in the longitudinal direction, but non-rotatably on said first axis 4 fixed to said lid 8 and pushes simultaneously or separately a fourth cam 31 fixed when moving in a third hollow axis 32 mounted on said first independent rotatably axis 4 ; said third hollow axis 32 being fixed to said seat 9 , so allowing fold-down the lid and seat simultaneously, or separately by effect of secure elements.
  • Said hydraulic piston 23 is fixed to the bottom rear part of the toilet 18 through a fixing hollow element 20 b which penetrates into a second orifice (not shown) provided in said toilet 18 and which also holds said base of the support structure 1 to fixed it at the same time above the toilet in the back part of the hole thereof; through said fixing hollow element 20 b the piston rod makes its stroke and penetrates through a second orifice 33 ( FIG. 1 ) formed in the base 2 of the support structure 1 for driving the shafts cams to lower the lid and seat as described.
  • said cover 6 of the support structure 1 comprises secure elements to prevent fold-down or lower the lid and locking elements which locks the piston element to prevent fold-down or lower the lid and seat; said secure element consisting of a horizontal travel button 34 mounted in a horizontal groove of the cover 6 and being connected to a guide rail element 35 embracing a protrusion of said third cam 30 , which being slidably embraced by said first elongate axis 4 which is attached to the lid 8 , can moves horizontally to remove said third cam 30 and to avoid contact with the cross shaped thrust cam attached to the rod 25 ; in this way is disabled the axis 4 of the lid 8 and prevents the lid is lowered when the water tank is discharged, pushing only the fourth cam 31 fixed to said third hollow axis 32 mounted in said first independent rotatably axis 4 and fixed at one of its ends to said seat 9 in order to fold-dawn or lower the seat only.
  • Said locking element comprises a button 36 slidably mounted in a horizontal groove of the cover 6 of the support structure 1 and which comprises fixedly a locking cam 37 ; so that when said button 36 slides horizontally said locking cam 37 disposed on the cross shaped thrust cam 29 fixed to the rod 25 , obstructing the upstroke of the rod of the piston 23 and avoids that when discharging the water tank 19 of the toilet 18 , the lid 8 and seat 9 lower automatically.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Toilet Supplies (AREA)
  • Devices For Medical Bathing And Washing (AREA)
  • Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
  • Non-Flushing Toilets (AREA)
US14/003,057 2011-03-04 2012-03-02 Device comprising actuating mechanisms with a pedal and comprising a hydraulic actuator for lifting and lowering, respectively, the cover and the seat of a wc Abandoned US20130340155A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
MX2011002472A MX2011002472A (es) 2011-03-04 2011-03-04 Dispositivo con mecanismos de accionamiento con pedal y con actuador hidráulico para levantar y bajar, respectivamente, la tapa y asiento de un retrete.
MXMX/A/2011/002472 2011-03-04
PCT/MX2012/000024 WO2012121582A2 (fr) 2011-03-04 2012-03-02 Dispositif à mécanismes d'actionnement à pédale et à actionneur hydraulique pour lever et baisser, respectivement, le couvercle et le siège d'un w.c.

Publications (1)

Publication Number Publication Date
US20130340155A1 true US20130340155A1 (en) 2013-12-26

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ID=45492175

Family Applications (1)

Application Number Title Priority Date Filing Date
US14/003,057 Abandoned US20130340155A1 (en) 2011-03-04 2012-03-02 Device comprising actuating mechanisms with a pedal and comprising a hydraulic actuator for lifting and lowering, respectively, the cover and the seat of a wc

Country Status (6)

Country Link
US (1) US20130340155A1 (fr)
EP (1) EP2712530A2 (fr)
CN (1) CN103596485A (fr)
CA (1) CA2834239A1 (fr)
MX (1) MX2011002472A (fr)
WO (1) WO2012121582A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160073838A1 (en) * 2014-09-15 2016-03-17 II John P. Waikas Series-operation Toilet System with Hydraulic Seat Lifting and Flushing
US9326649B1 (en) * 2013-11-03 2016-05-03 Duke Ophori Toilet seat lifter-toilet foot pedal systems
US20170086628A1 (en) * 2015-09-18 2017-03-30 Jeff Henderson Toilet lid closure apparatus
DE102022000216A1 (de) 2022-01-21 2023-07-27 NAVEGA limited Toilettensystem und Gebäude mit einem solchen Toilettensystem

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2012010330A (es) * 2012-09-06 2013-07-02 Carlo Gomez Espana Collignon Dispositivo con mecanismos de accionamiento impulsados por fuerza hidráulica para bajar la tapa y el asiento de un retrete, en forma independiente o simultáneamente.
CN105342519B (zh) * 2015-10-29 2018-07-10 深圳麦格米特电气股份有限公司 一种智能坐便器的控制方法

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US4291422A (en) 1980-05-28 1981-09-29 Shoemaker John J Hydraulic toilet seat
WO1995010971A1 (fr) * 1993-10-20 1995-04-27 Abdallah Iman Al Amin Dispositif automatique pour lever ou rabattre un siege de cuvette de w-c
JPH10131947A (ja) * 1996-10-28 1998-05-22 Kato Electrical Mach Co Ltd 複合トルクヒンジ
GB2376475A (en) 2001-06-12 2002-12-18 Lynn Moran Foot-operated lavatory seat and cover
MXPA01006808A (es) 2001-07-02 2003-01-23 Jaime Barrios Gomez Garibay Mecanismo para levantar la tapa de escusados.
JP3935785B2 (ja) * 2002-06-24 2007-06-27 日本電産サンキョー株式会社 便蓋開閉ユニット
WO2005102136A1 (fr) 2004-04-26 2005-11-03 Kruger Johannes Groeon Francoi Elevateur de siege de toilettes h20
US7788741B2 (en) * 2005-04-28 2010-09-07 Lohss Kurt L Automatic toilet lid and seat
US7636956B1 (en) * 2006-01-26 2009-12-29 Sheryl Doucet Hands free toilet seat system
MX2009005262A (es) * 2009-05-18 2010-05-03 Carlo Gomez Espana Collignon Dispositivo de accionamiento hidráulico para subir y bajar la tapa de cobertura y asiento de un retrete, y metodo de accionamiento.
MX2009009461A (es) * 2009-09-04 2010-03-01 Carlo Gomez Espana Collignon Mejoras a dispositivo de accionamiento hidraulico para subir y bajar la tapa de cobertura y asiento de un escusado.

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9326649B1 (en) * 2013-11-03 2016-05-03 Duke Ophori Toilet seat lifter-toilet foot pedal systems
US20160073838A1 (en) * 2014-09-15 2016-03-17 II John P. Waikas Series-operation Toilet System with Hydraulic Seat Lifting and Flushing
US9687126B2 (en) * 2014-09-15 2017-06-27 II John P. Waikas Series-operation toilet system with hydraulic seat lifting and flushing
US20170086628A1 (en) * 2015-09-18 2017-03-30 Jeff Henderson Toilet lid closure apparatus
DE102022000216A1 (de) 2022-01-21 2023-07-27 NAVEGA limited Toilettensystem und Gebäude mit einem solchen Toilettensystem
WO2023139180A1 (fr) 2022-01-21 2023-07-27 NAVEGA limited Système de toilettes et bâtiment équipé d'un tel système de toilettes

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Publication number Publication date
CN103596485A (zh) 2014-02-19
WO2012121582A2 (fr) 2012-09-13
EP2712530A2 (fr) 2014-04-02
CA2834239A1 (fr) 2012-09-13
MX2011002472A (es) 2011-09-22
WO2012121582A3 (fr) 2013-03-28
WO2012121582A8 (fr) 2013-10-31

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