EP0080856A2 - Brausekopf - Google Patents

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Info

Publication number
EP0080856A2
EP0080856A2 EP82306247A EP82306247A EP0080856A2 EP 0080856 A2 EP0080856 A2 EP 0080856A2 EP 82306247 A EP82306247 A EP 82306247A EP 82306247 A EP82306247 A EP 82306247A EP 0080856 A2 EP0080856 A2 EP 0080856A2
Authority
EP
European Patent Office
Prior art keywords
lugs
cam surfaces
component
component part
annular portion
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.)
Granted
Application number
EP82306247A
Other languages
English (en)
French (fr)
Other versions
EP0080856A3 (en
EP0080856B1 (de
Inventor
Martin Walter Dalton
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.)
Triton PLC
Original Assignee
Triton Aquatherm Ltd
Triton PLC
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 Triton Aquatherm Ltd, Triton PLC filed Critical Triton Aquatherm Ltd
Publication of EP0080856A2 publication Critical patent/EP0080856A2/de
Publication of EP0080856A3 publication Critical patent/EP0080856A3/en
Application granted granted Critical
Publication of EP0080856B1 publication Critical patent/EP0080856B1/de
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/18—Roses; Shower heads

Definitions

  • the present invention relates to a method for releasably assembling together component parts of a device and is especially concerned with a method for releasably assembling the component parts of a spray unit being one element of a shower bath shower head.
  • a locking means such as a screw or a nut and bolt assembly.
  • a plurality of concentric spray rings located within a shower bath shower head are normally arranged to be retained in the head by means of a centrally located screw passing through a hole in the centre spray ring and being received within a threaded hole formed in an appropriately positioned lug attached to the said head, the spray rings being tapered in such a manner that the retention of the centre ring prevents adjacent rings from being removed from the unit.
  • the cam surfaces include recessed portions in which the lugs engage when the said parts are in the Locking position to prevent one of the said component parts being inadvertantly rotated with respect to the other in the opposite direction thereby allowing the said component parts to be separated. It is further preferred that at least one of the lugs or cam surfaces be formed of a resilient material, such as a plastics material, to provide a "snap fit" engagement of the lugs in the said recesses.
  • the lugs extend radially outwardly from a cylindrical portion extending from one component part and the cam surfaces and recesses are formed in one face of an annulus located within the said other component part and through which the cylindrical component and associated lugs may pass.
  • cam surfaces and recesses may be located within the annulus.
  • cam surfaces may be arranged around the outer surface of a projection extending from one component and the lugs extend inwardly of a hollow element extending from the other component and adapted to receive said_projection and extending lugs therein.
  • cam surfaces and lugs should be such that the surfaces of the two components, that are required to be maintained'in contact with each other when the components are in the locked position, are in such position when the lugs engage in the recesses.
  • At least three lugs and three co-operating cam surfaces and recesses are provided on the respective components.
  • a spray unit in which all components are composed of a resilient plastics material such as acetal, and located within the head may comprise an outer annulus, adapted to be received within the said head and having a tapered inside wall portion to receive an inner spray ring, within which is contained a central annular member located in position by means of a plurality of arms extending radially inwardly from the said outer annulus.
  • Cam surfaces may be.
  • a plurality of concentric annular tapered spray rings are located within the outer annulus and are retained in position by a central portion having a tapered outer periphery to engage with the corresponding tapered wall of the innermost spray ring.
  • Extending inwardly of the spray unit from the said central portion is a cylindrical projection having formed thereon radially extending lugs dimensioned to pass through the slots formed in the central annulus to engage the cam surfaces.
  • Rotation of the said central portion causes the lugs to move along the cam surfaces thereby drawing the central portion and the concentric spray rings and outer annulus into closer engagement.
  • the lugs "snap" into the recesses formed in the cam surfaces to lock the rings within the outer annulus.
  • the material from which the components are formed is resilient, rotation of the central portion in the opposite direction cause the lug to "snap" out of the recesses and to be removable through the slots in the central annulus thereby releasing all of the shower rings.
  • a hand set comprises a body portion 1, one end of which terminates in an essentially cylindrical portion (not shown) threaded for attachment to a supply of water.
  • the other end includes substantially flat side walls 2 and upper 3 and end 4 portions which are open to receive a spray head.
  • a cylindrical opening 5 is formed in the lower surface 6 through which the cylindrical spray unit located on spray head 10 may pass.
  • Spray head 10 includes a cylindrical end portion 11 which is capable of being received within the body 1 of the hand set and includes an annular slot 12 in which is located an 0-ring (not shown) to provide a water tight seal within body 1 of the hand set.
  • the opposite end of the shower head comprises front and top portions 14 and 13 to close the open upper and end portions 3 and 4 in the hand set, the upper wall of the hand set being received within recess 15 formed in the top portion 13 of the shower head.
  • the lower portion of the shower head includes a downwardly extending cylindrical member 16 dimensioned to be a sliding fit within the cylindrical opening 5 of the hand set thereby retaining the head in position on the hand set.
  • Cylindrical portion 5 is adapted to receive a spray unit, indicated generally at 20 (figure 3).
  • the spray unit comprises an outer ring 30 (shown in greater detail in figures 4 and 5), inner spray rings 21 and 22 and a central locking portion 40 (shown in greater detail in figures 6 and 7).
  • Outer ring 30 includes wall 31 having shoulder 32 and dimensioned to be a sliding fit within cylindrical member 16, shoulder 32 engaging against the lower face 17 of said member. Ring 30 is retained in position by gluing to member 16.
  • the lower inner portion 33 of wall 31 is tapered to receive the complimentary tapered outer wall of ring 21.
  • a central annular member 34 is located concentrically of ring 30 by spider arms 35 projecting radially from the inner wall of ring 30.
  • Three cam surfaces 36 having a recessed portion 37 are formed in the inner wall of member 34, the cam surfaces being inclined upwardly towards recess 37.
  • a stop member 38 is provided at the edge of recess 37 remote from the cam surface.
  • Three axial slots 39 are provided to communicate with the lower end of cam surface 36.
  • the outer tapered walls of rings 21 and 22 are grooved to provide spray holes 50 and 51 between ring 21 and the smooth inner tapered wall 33 of ring 30 and between ring 22 and the smooth inner tapered wall of ring 21 respectively.
  • Central locking portion 40 is formed with a frusto conical lower portion 41 in the outer wall of which are cut grooves 42 to provide spray-holes 52 between said wall and the smooth inner wall of ring 22.
  • Slot 43 is formed in the base of portion 41.
  • a cylindrical portion 44 of smaller diameter than frusto-conical portion 41 projects upwards therefrom and includes three lugs 45 projecting radially in the same plane and at angles of 120°. The diameter of portion 44 and the length of lugs 45 are such that they are a sliding fit within annular member 34 and slots 39 respectively.
  • lugs 45 can be caused to "snap" out of the recess 36 by rotation of locking member 40 in the opposite direction using a screw driver engaged in slot 43, thereby enabling the locking member to be withdrawn and rings 21 and 22 to be removed.

Landscapes

  • Nozzles (AREA)
EP82306247A 1981-11-27 1982-11-24 Brausekopf Expired EP0080856B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8135849 1981-11-27
GB08135849A GB2110289B (en) 1981-11-27 1981-11-27 Fastening for shower heads

Publications (3)

Publication Number Publication Date
EP0080856A2 true EP0080856A2 (de) 1983-06-08
EP0080856A3 EP0080856A3 (en) 1984-07-04
EP0080856B1 EP0080856B1 (de) 1988-03-09

Family

ID=10526213

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82306247A Expired EP0080856B1 (de) 1981-11-27 1982-11-24 Brausekopf

Country Status (3)

Country Link
EP (1) EP0080856B1 (de)
DE (1) DE3278218D1 (de)
GB (1) GB2110289B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0155775A1 (de) * 1984-02-25 1985-09-25 Triton plc Brausekopf
GB2330784A (en) * 1997-10-17 1999-05-05 Ernest Joscelyn Clerk Fire nozzle
US8936207B2 (en) 2009-09-16 2015-01-20 Pentair Flow Technologies, Llc Bayonet system for spray nozzles

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9301369D0 (en) * 1993-01-25 1993-03-17 Lurmark Ltd Bayonet fitting for spray nozzle holder

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1890156A (en) * 1929-07-24 1932-12-06 Konig Wenzel Shower rose
US3811157A (en) * 1972-10-26 1974-05-21 Dzus Fastener Co Tamper-proof fastener
US3997116A (en) * 1975-10-28 1976-12-14 Stanadyne, Inc. Adjustable shower head
US4067090A (en) * 1976-01-07 1978-01-10 Dzus Fastener Co., Inc. Fastener

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0155775A1 (de) * 1984-02-25 1985-09-25 Triton plc Brausekopf
GB2330784A (en) * 1997-10-17 1999-05-05 Ernest Joscelyn Clerk Fire nozzle
US8936207B2 (en) 2009-09-16 2015-01-20 Pentair Flow Technologies, Llc Bayonet system for spray nozzles

Also Published As

Publication number Publication date
GB2110289A (en) 1983-06-15
EP0080856A3 (en) 1984-07-04
GB2110289B (en) 1985-04-24
DE3278218D1 (en) 1988-04-14
EP0080856B1 (de) 1988-03-09

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