EP0995844B1 - Device for opening and closing the plug of a bath-tub - Google Patents

Device for opening and closing the plug of a bath-tub Download PDF

Info

Publication number
EP0995844B1
EP0995844B1 EP99121144A EP99121144A EP0995844B1 EP 0995844 B1 EP0995844 B1 EP 0995844B1 EP 99121144 A EP99121144 A EP 99121144A EP 99121144 A EP99121144 A EP 99121144A EP 0995844 B1 EP0995844 B1 EP 0995844B1
Authority
EP
European Patent Office
Prior art keywords
tooth
rack
plug
sheath
resilient element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99121144A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0995844A3 (en
EP0995844A2 (en
Inventor
Riccardo Christina
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRS SpA
Original Assignee
CRS SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CRS SpA filed Critical CRS SpA
Publication of EP0995844A2 publication Critical patent/EP0995844A2/en
Publication of EP0995844A3 publication Critical patent/EP0995844A3/en
Application granted granted Critical
Publication of EP0995844B1 publication Critical patent/EP0995844B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/22—Outlet devices mounted in basins, baths, or sinks
    • E03C1/23—Outlet devices mounted in basins, baths, or sinks with mechanical closure mechanisms
    • E03C1/2304—Outlet devices mounted in basins, baths, or sinks with mechanical closure mechanisms the actuation force being transmitted to the plug via flexible elements, e.g. chain, Bowden cable

Definitions

  • the present invention relates to a device for blocking the water discharging plug in a bath-tub.
  • a manual turning of a handle causes a pinion, rigid with the handle, to turn thereby linearly entraining a rack.
  • Said rack is provided with a seat therein is housed one of the two end portions of a driving cable, thereby the entraining movement is transmitted, through the overall length of the driving cable, to operating elements causing the water discharging plug of the bath-tub to be opened and closed.
  • the mentioned operating elements usually comprise a pawl which, by turning about its seat, transforms the movement from a linear to a rotary movement, by causing, by a pin rigid therewith, the resting point of the plug to be displaced along its axis, so as to either raise or lower the plug.
  • a prior approach for overcoming the above mentioned problem provides to increase the friction of the disclosed device, comprising the handle, driving cable and pawl element.
  • An alternative prior approach provides to use specifically designed mechanisms to prevent the plug for reclosing the outlet, and locking said plug in a raised position.
  • the solutions of the second mentioned type involve a further problem: more specifically, if the bath-tub user presses by a foot the plug blocked in an open position, then the pressing effort will be fully discharged to the inner driving elements for opening and closing the plug, which would damage the opening and closing mechanism, preventing the latter from properly closing.
  • the document GB-A-1 504 258 shows a device for opening and closing the outlet plug of a bath-tub according to the preamble of claim 1.
  • the document FR-A-2164018 and DE 44 14 887 show further similar devices.
  • the aim of he present invention is to provide such a device for blocking the water discharging plug in bath-tubs, allowing to slightly lock the rack, at the end of stroke position thereof, to provide a stable condition of the plug in its raised condition, while preventing the raised plug from being downward entrained by the water stream being discharged.
  • a main object of the present invention is to provide such a device for blocking the plug of a bath-tub allowing the plug to be easily unlocked as a force applied to said plug exceeds a given amount, for example as a user presses by a foot on the plug itself.
  • said fixed housing is formed in the rack sliding seat.
  • the resilient element in particular, has a curved profile, thereon said blocking tooth is arranged, said blocking tooth having a curved surface for engaging with said fixed housing.
  • the resilient element and related blocking tooth are arranged on the side of said rack opposite to the toothed side thereof.
  • Said resilient element is specifically adapted to allow the tooth to be disengaged from its fixed housing, as the effort applied on the plug exceeds a given value.
  • the device for blocking the water discharging or outlet plug in bath-tubs is coupled to a handle 1 which is operated for opening or closing said plug.
  • the handle 1 is provided with a pinion 9, in turn arranged inside a sealing gasket 5, and being connected to a drive assembly 13 provided for driving a control cable 17.
  • the driving assembly 13 substantially comprises a rack, adapted to transform a rotary movement of the handle 1 into a translation movement of the driving or control cable 17.
  • the translation movement of the control cable 17 is transmitted, as is known in the art, to a pawl element which, by turning about a seat thereof, will transform the movement from a translating to a rotary movement, to provide, by a pin rigid with said pawl, a displacement of the resting or bearing point, to cause the outlet plug to be raised or lowered.
  • the control cable 17 driving assembly 13 comprises a resilient element 7, including a tooth 6 engaging with a corresponding fixed housing 8.
  • the blocking tooth 6 is provided with a curved surface for engaging with the fixed housing 8, whereas the resilient element 7 is provided with a curvilinear profile, thereon said blocking tooth 6 is arranged.
  • the resilient element 7 and related blocking tooth 6 are arranged on a side of said rack opposite to the rack teeth 19.
  • the operation of the plug blocking device according to the present invention is as follows.
  • the plug will open or respectively close the water outlet of the bath-tub.
  • said rack comprises a seat therein one of the two end portions of the control cable 17 is arranged.
  • the mentioned entrainment movement will be transmitted, for the overall length of the control cable 17, to a pawl that, by turning about the seat thereof, will transform the movement from linear to rotary.
  • a pin, rigid with said pawl, will in turn cause the upper plug bearing point to be displaced along the axis thereof, to raise or lower said plug.
  • the rack has the tooth 6 thereof, formed on the resilient element 7, constituting an integrating part of said rack.
  • the outlet plug will be held in an open condition until the user, by operating the handle 1, will reclose said plug.
  • This modified embodiment clearly shown in said Figures 8 to 16, comprises a tightly closed body, preferably made of brass, inside which is provided a thermoplastic material insert, to be engaged in said brass body.
  • the outer brass body tight connection in cooperation with the modified construction of the subject device, will prevent, as stated, any foreign materials from entering the brass body, since between the inside of the outer body and the environment no opening is provided.
  • the insert 14 is engaged on the brass body by the resilient latching elements 20, holding it in its seat.
  • the insert 14, together with the brass body 23, will provide a seat in which the body of the rack 19 is slidably housed.
  • Said rack 19 is provided with a resilient element 7, having a curved contour, thereon the blocking tooth 6 is arranged.
  • Said blocking tooth 6 engages, in an end of stroke position thereof, with an inward projecting step 48 formed in said insert 14.
  • Figures 10 and 11 show the position assumed by the rack 13, and according by the blocking tooth 6, as it is rectilinearly slidingly reciprocated in the seat of the brass body 23.
  • step 48 After having passed said step 48, providing a stop for the blocking tooth 6, it will be possible, by suitably urging the control or driving handle, to cause the tooth 6 and rack 13 to overcome this obstacle.
  • the lug of this element can be deflected to allow the rack and stop tooth 6 to slide in contact of the inner wall of the thermoplastic material insert shown in Figure 11.
  • the seat formed inside the plastic material body 13 has high mechanical sliding characteristics, due to the used materials to be held in mutual contact during said sliding movement.
  • Another feature to be considered is that the subject device allows the control cable 17 to be easily attached.
  • thermoplastic material insert 14 is provided with a seat 24' adapted to engage with the control cable 17, having specifically designed constructional features to improve the operation and strength of the subject device.
  • control cable 17 is made as a single piece, as is clearly shown in Figure 9 of a thermoplastic material.
  • the two end portions 40 and 41 are co-molded with the sheath and are designed for providing a high mechanical strength.
  • a steel cable 45 is provided inside the sheath 42 for transmitting the plug opening and closing movement.
  • a fixed element 25 is provided.
  • Figure 16 shows another embodiment of the subject device and of the sheath to which the control cable is applied.
  • the sheath in particular, is coupled to an outer brass body 31, having a closing cover 36 and an inner step 37, therewith the blocking tooth 6 provided on the resilient element 7 can engage.
  • the main feature of the sheath shown in Figure 16 is that the inner element 25 and the sheath-control cable 35 assembly fixing teeth 33 are made rigid with one another by a steel pin 34.
  • the outer closing cover 36 will prevent any undesired materials from entering the brass body 31, thereby allowing the device to safely operate.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Details Of Valves (AREA)
  • Devices For Medical Bathing And Washing (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Transmission Devices (AREA)
  • Pipe Accessories (AREA)
  • Percussion Or Vibration Massage (AREA)
EP99121144A 1998-10-23 1999-10-22 Device for opening and closing the plug of a bath-tub Expired - Lifetime EP0995844B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI980693U 1998-10-23
IT1998MI000693U IT244330Y1 (it) 1998-10-23 1998-10-23 Dispositivo per il bloccaggio del tappo di scarico in vasche da bagno

Publications (3)

Publication Number Publication Date
EP0995844A2 EP0995844A2 (en) 2000-04-26
EP0995844A3 EP0995844A3 (en) 2001-04-11
EP0995844B1 true EP0995844B1 (en) 2006-11-29

Family

ID=11379611

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99121144A Expired - Lifetime EP0995844B1 (en) 1998-10-23 1999-10-22 Device for opening and closing the plug of a bath-tub

Country Status (5)

Country Link
EP (1) EP0995844B1 (it)
AT (1) ATE346991T1 (it)
DE (1) DE69934190T2 (it)
ES (1) ES2278430T3 (it)
IT (1) IT244330Y1 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE241051T1 (de) * 2001-04-14 2003-06-15 Kaldewei Franz Gmbh & Co Vorrichtung zur steuerung der wannenbefüllung einer sanitärwanne
ITMI20060527A1 (it) * 2006-03-22 2007-09-23 Elleci Spa Gruppo di scarico per lavelli e simili ad ingombro ridotto

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2164018A5 (it) * 1971-12-03 1973-07-27 Bermec
DE2549723C2 (de) * 1975-11-06 1983-12-22 Fa. Franz Viegener Ii, 5952 Attendorn Ab- und Überlaufarmatur mit Bowdenzug für Badewannen oder dergleichen
DE2755414C2 (de) * 1977-12-13 1979-11-22 Hans Grohe Gmbh & Co Kg, 7622 Schiltach Vorrichtung zur Betätigung des heb- und senkbaren Ventilkegels eines Wannenablaufventils
FR2641298A1 (fr) * 1989-01-04 1990-07-06 Piat Moise Systeme de vidage et trop-plein pour baignoires
FR2643097A1 (fr) * 1989-01-04 1990-08-17 Piat Moise Systeme de vidage et trop plein pour baignoire
US5363518A (en) * 1992-02-28 1994-11-15 Emhart Inc. Popup drain stopper
DE4414887C2 (de) * 1994-04-28 1999-06-17 Grohe Kg Hans Ab- und Überlaufarmatur für Badewannen

Also Published As

Publication number Publication date
IT244330Y1 (it) 2002-03-11
ES2278430T3 (es) 2007-08-01
DE69934190T2 (de) 2007-10-25
ATE346991T1 (de) 2006-12-15
EP0995844A3 (en) 2001-04-11
DE69934190D1 (de) 2007-01-11
ITMI980693U1 (it) 2000-04-23
EP0995844A2 (en) 2000-04-26

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