EP1844862A1 - Safety arrangement for fluid dispenser - Google Patents

Safety arrangement for fluid dispenser Download PDF

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Publication number
EP1844862A1
EP1844862A1 EP06447056A EP06447056A EP1844862A1 EP 1844862 A1 EP1844862 A1 EP 1844862A1 EP 06447056 A EP06447056 A EP 06447056A EP 06447056 A EP06447056 A EP 06447056A EP 1844862 A1 EP1844862 A1 EP 1844862A1
Authority
EP
European Patent Office
Prior art keywords
safety
rotatable
spray head
protrusions
connection
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.)
Withdrawn
Application number
EP06447056A
Other languages
German (de)
French (fr)
Inventor
designation of the inventor has not yet been filed The
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.)
Bayer Agriculture BVBA
Original Assignee
Monsanto Europe NV SA
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 Monsanto Europe NV SA filed Critical Monsanto Europe NV SA
Priority to EP06447056A priority Critical patent/EP1844862A1/en
Priority to PCT/EP2007/053147 priority patent/WO2007118785A1/en
Priority to EP07727619A priority patent/EP2010335A1/en
Priority to AU2007239565A priority patent/AU2007239565A1/en
Publication of EP1844862A1 publication Critical patent/EP1844862A1/en
Priority to NO20084766A priority patent/NO20084766L/en
Withdrawn legal-status Critical Current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
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0027—Means for neutralising the actuation of the sprayer ; Means for preventing access to the sprayer actuation means
    • B05B11/0029—Valves not actuated by pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/14—Arrangements for preventing or controlling structural damage to spraying apparatus or its outlets, e.g. for breaking at desired places; Arrangements for handling or replacing damaged parts
    • B05B15/16—Arrangements for preventing or controlling structural damage to spraying apparatus or its outlets, e.g. for breaking at desired places; Arrangements for handling or replacing damaged parts for preventing non-intended contact between spray heads or nozzles and foreign bodies, e.g. nozzle guards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1052—Actuation means
    • B05B11/1056—Actuation means comprising rotatable or articulated levers
    • B05B11/1057—Triggers, i.e. actuation means consisting of a single lever having one end rotating or pivoting around an axis or a hinge fixedly attached to the container, and another end directly actuated by the user
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
    • B05B9/085—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump
    • B05B9/0855—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump the pump being motor-driven
    • B05B9/0861—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump the pump being motor-driven the motor being electric

Definitions

  • the present invention is related to safety arrangements for devices comprising a rotatable portion.
  • the invention is related to sprayers, in particular sprayers for distributing pesticides and the like.
  • Sprayers of the type described above are known in the art. It is equally known to produce such sprayers with a rotatable spray head, which can thus be turned into a closed and an open position. Especially when hazardous liquids are contained within these sprayers, there is a risk of accidents due to insufficient safety arrangements on these rotatable spray heads. In particular in the area of child safety provisions, existing spray heads of this type, as well as other rotatable portions in other types of devices, are open to improvement.
  • the present invention aims to provide a device, equipped with a rotatable portion, and provided with a safety arrangement.
  • the invention aims to provide a spraying device.
  • the invention is related to devices as disclosed in the appended claims. It concerns a device comprising a body and a rotatable portion arranged in connection to said body, characterized in that said device further comprises a safety arrangement, comprising a safety portion arranged in connection to said rotatable portion, and a blocking means arranged in connection with the body, for blocking a rotational movement of said safety portion in the 'safe' position of the arrangement, and consequently of said rotatable portion.
  • the safety portion is arranged to be releasable from said blocked position by a tilting movement of said safety portion.
  • the blocking means comprises a pair of protrusions, with a space in between said protrusions, and wherein said safety portion comprises a frontal lip portion and a rear lip portion, arranged so that said rear lip portion is secured in the space between said protrusions in the safe condition of the arrangement, and further arranged so that said rear lip portion is released from said space by a tilting movement of the safety portion, said movement being actuated by pushing the frontal lip portion towards the side surface of the rotatable body.
  • the safety portion is preferably made from an elastic material.
  • the preferred embodiment of this device is a spraying device whereing the rotatable portion is the rotatable spray head.
  • the invention is related to the rotatable portion as such, provided with a safety arrangement according to the invention, and to the spray head as such, provided with said safety arrangement.
  • the invention is equally related to a spray head provided with a wall surrounding the spray mouth of said spray head.
  • Fig. 1 is representing a side view of the frontal part of a spraying device according to the invention.
  • Fig. 2 provides a detail 2-D view of the safety arrangement according to the invention, and of its operation.
  • Fig. 3 provides a detail 3-D view of the safety arrangement and of its operation.
  • Figure 1 shows the front part of a spraying device, comprising a sprayer body, which may consist of a bottle portion 1, and a top portion 2, in which top portion a pumping arrangement is preferably provided.
  • a sprayer of this type may further comprise a trigger/spring arrangement for actuating the pump, or a battery-operated trigger arrangement.
  • the pump and trigger arrangement of the sprayer can be produced according to a prior art design.
  • the characteristic element of the invention is the safety arrangement 4 with which the spraying device is provided.
  • Figures 2a,b,c show the spray head in more detail. It is a rotatable spray head, movable from a 'closed' to an 'open' position, thereby respectively blocking or allowing the passage of liquid through the head.
  • Protruding elements such as bulbs 5 or the like may be present on the side of the head, to indicate the type of spray action obtained by a particular position of the head. Other protrusions may be present to facilitate the grip on the spray head.
  • the spray head comprises a bottom section 6, arranged in contact with the sprayer's top part 2, and a frontal secion 7.
  • the spray head shown in the figure has side wall 20 surrounding the actual spray mouth (better visible on figure 3). The user is thereby prevented from touching the spray mouth directly when he is rotating the spray head.
  • the side wall thus offers additional safety against contact with hazardous liquids.
  • the invention is also related to a spray head with such a side wall and to a spraying device equipped with such a spray head (without the safety arrangement).
  • the safety arrangement comprises a blocking means in the form of two protruding portions 8, which are attached to the top portion 2 of the sprayer, in the vicinity of the bottom section 6 of the spray head, preferably at the lowest point of that section, as shown in the drawing.
  • these protruding elements 8 are of the same material as the spayer's top part.
  • these protrusions are uniform with the sprayer's top part, i.e. formed as one single part with this top part of the sprayer.
  • the spray head 3 is equipped with a safety portion 9 attached to the spray head near the head's bottom section 6 in attachment point 10.
  • the safety portion 9 comprises a frontal lip portion 11, and a rear lip portion 12.
  • Figure 2a shows the arrangement in the closed (safe) condition. From the attachment point 10, the frontal lip portion 11 extends away from the spray head in an essentially perpendicular direction, is subsequently bent at point 13, and continues to extend at a distance from the spray head's side surface. Preferably, the frontal lip portion 11 extends in an essentially parallel direction to the spray head.
  • the rear lip portion 12 is attached to the frontal lip portion 11 at the latter portion's backside (facing away from the spray head), and extends towards the opposite part of the spray head's bottom section 6. As seen in figure 2, this rear lip portion 12 is secured between the protrusions 8, thereby blocking the rotation of the spray head 3.
  • the release of the safety arrangement is actuated by pushing the frontal lip portion 11 towards the spray head's side surface, thereby tilting the safety portion 9, whereby the rear lip portion 12 is lifted out of the space between the protrusions 8, and rotation of the spray head is possible.
  • Figure 3 provides a 3-D view of the above described operation.
  • Fig. 3a shows the locked (safe) position
  • fig. 3b the unlocked position, obtained by pressing the frontal lip portion 11 and rotating the spray head in the direction of the arrow.
  • the frontal and rear lip portion preferably form one uniform element 9, produced from a suitable material, preferably polypropylene.
  • a suitable material preferably polypropylene.
  • an elastic material is used, exhibiting the right elastic properties. These properties, in conjuction with the manner of connecting the safety portion in point 10, must be such that a sufficiently high pressure is required in order to release the safety, so that this operation cannot be actuated by small children. Upon release of the safety, the elasticity must be such that the safety portion quickly returns to its original position.
  • the protrusions 8 preferably have a sloping shape with the larger height near the space in which the safety portion 9 is secured in the safe position. In this way, the spray head may be rotated towards the safe position, and the elastic safety portion 9 will automatically click into the space between the protrusions 8, without requiring the user to manually lift up the rear lip portion.
  • a non-elastic material may be used, in which case the safety portion 9 will not automatically return to its original position, but must be manually pushed back to said position.
  • the attachment at point 10 must be executed in a suitable way, allowing the tilting movement of the safety portion 9, by applying a sufficiently high pressure on the frontal lip.

Abstract

The present invention is related to a device comprising a body (1,2) and a rotatable portion (3) arranged in connection to said body, characterized in that said device further comprises a safety arrangement (4), comprising a safety portion (9) arranged in connection to said rotatable portion (3), and a blocking means (8) arranged in connection with the body, for blocking a rotational movement of said safety portion (9), and consequently of said rotatable portion (3) and wherein the safety portion (9) is arranged to be releasable from said blocked position by a tilting movement of said safety portion (9). In the preferred embodiment, said device is a spraying device, and said rotatable portion (3) is the spray head of said spraying device.

Description

    Field of the Invention
  • The present invention is related to safety arrangements for devices comprising a rotatable portion. In particular, the invention is related to sprayers, in particular sprayers for distributing pesticides and the like.
    • State of the Art
  • Sprayers of the type described above are known in the art. It is equally known to produce such sprayers with a rotatable spray head, which can thus be turned into a closed and an open position. Especially when hazardous liquids are contained within these sprayers, there is a risk of accidents due to insufficient safety arrangements on these rotatable spray heads. In particular in the area of child safety provisions, existing spray heads of this type, as well as other rotatable portions in other types of devices, are open to improvement.
    • Aims of the Invention
  • The present invention aims to provide a device, equipped with a rotatable portion, and provided with a safety arrangement. In particular, the invention aims to provide a spraying device.
    • Summary of the Invention
  • The invention is related to devices as disclosed in the appended claims. It concerns a device comprising a body and a rotatable portion arranged in connection to said body, characterized in that said device further comprises a safety arrangement, comprising a safety portion arranged in connection to said rotatable portion, and a blocking means arranged in connection with the body, for blocking a rotational movement of said safety portion in the 'safe' position of the arrangement, and consequently of said rotatable portion. The safety portion is arranged to be releasable from said blocked position by a tilting movement of said safety portion.
  • According to the preferred embodiment, the blocking means comprises a pair of protrusions, with a space in between said protrusions, and wherein said safety portion comprises a frontal lip portion and a rear lip portion, arranged so that said rear lip portion is secured in the space between said protrusions in the safe condition of the arrangement, and further arranged so that said rear lip portion is released from said space by a tilting movement of the safety portion, said movement being actuated by pushing the frontal lip portion towards the side surface of the rotatable body. The safety portion is preferably made from an elastic material.
  • The preferred embodiment of this device is a spraying device whereing the rotatable portion is the rotatable spray head. The invention is related to the rotatable portion as such, provided with a safety arrangement according to the invention, and to the spray head as such, provided with said safety arrangement. The invention is equally related to a spray head provided with a wall surrounding the spray mouth of said spray head.
    • Brief Description of the Drawings
  • Fig. 1 is representing a side view of the frontal part of a spraying device according to the invention.
  • Fig. 2 provides a detail 2-D view of the safety arrangement according to the invention, and of its operation.
  • Fig. 3 provides a detail 3-D view of the safety arrangement and of its operation.
    • Detailed Description of a preferred embodiment the Invention
  • Figure 1 shows the front part of a spraying device, comprising a sprayer body, which may consist of a bottle portion 1, and a top portion 2, in which top portion a pumping arrangement is preferably provided. A sprayer of this type may further comprise a trigger/spring arrangement for actuating the pump, or a battery-operated trigger arrangement. The pump and trigger arrangement of the sprayer can be produced according to a prior art design. The characteristic element of the invention is the safety arrangement 4 with which the spraying device is provided.
  • Figures 2a,b,c show the spray head in more detail. It is a rotatable spray head, movable from a 'closed' to an 'open' position, thereby respectively blocking or allowing the passage of liquid through the head. Protruding elements such as bulbs 5 or the like may be present on the side of the head, to indicate the type of spray action obtained by a particular position of the head. Other protrusions may be present to facilitate the grip on the spray head. The spray head comprises a bottom section 6, arranged in contact with the sprayer's top part 2, and a frontal secion 7. The spray head shown in the figure has side wall 20 surrounding the actual spray mouth (better visible on figure 3). The user is thereby prevented from touching the spray mouth directly when he is rotating the spray head. The side wall thus offers additional safety against contact with hazardous liquids. The invention is also related to a spray head with such a side wall and to a spraying device equipped with such a spray head (without the safety arrangement).
  • The safety arrangement comprises a blocking means in the form of two protruding portions 8, which are attached to the top portion 2 of the sprayer, in the vicinity of the bottom section 6 of the spray head, preferably at the lowest point of that section, as shown in the drawing. Preferably, these protruding elements 8 are of the same material as the spayer's top part. In the preferred embodiment, these protrusions are uniform with the sprayer's top part, i.e. formed as one single part with this top part of the sprayer.
  • As a further element of the safety arrangement, the spray head 3 is equipped with a safety portion 9 attached to the spray head near the head's bottom section 6 in attachment point 10. The safety portion 9 comprises a frontal lip portion 11, and a rear lip portion 12. Figure 2a shows the arrangement in the closed (safe) condition. From the attachment point 10, the frontal lip portion 11 extends away from the spray head in an essentially perpendicular direction, is subsequently bent at point 13, and continues to extend at a distance from the spray head's side surface. Preferably, the frontal lip portion 11 extends in an essentially parallel direction to the spray head. The rear lip portion 12 is attached to the frontal lip portion 11 at the latter portion's backside (facing away from the spray head), and extends towards the opposite part of the spray head's bottom section 6. As seen in figure 2, this rear lip portion 12 is secured between the protrusions 8, thereby blocking the rotation of the spray head 3.
  • As shown in figure 2b, the release of the safety arrangement is actuated by pushing the frontal lip portion 11 towards the spray head's side surface, thereby tilting the safety portion 9, whereby the rear lip portion 12 is lifted out of the space between the protrusions 8, and rotation of the spray head is possible.
  • Figure 3 provides a 3-D view of the above described operation. Fig. 3a shows the locked (safe) position, and fig. 3b the unlocked position, obtained by pressing the frontal lip portion 11 and rotating the spray head in the direction of the arrow.
  • The frontal and rear lip portion preferably form one uniform element 9, produced from a suitable material, preferably polypropylene. According to the preferred embodiment, an elastic material is used, exhibiting the right elastic properties. These properties, in conjuction with the manner of connecting the safety portion in point 10, must be such that a sufficiently high pressure is required in order to release the safety, so that this operation cannot be actuated by small children. Upon release of the safety, the elasticity must be such that the safety portion quickly returns to its original position. The protrusions 8 preferably have a sloping shape with the larger height near the space in which the safety portion 9 is secured in the safe position. In this way, the spray head may be rotated towards the safe position, and the elastic safety portion 9 will automatically click into the space between the protrusions 8, without requiring the user to manually lift up the rear lip portion.
  • Alternatively, a non-elastic material may be used, in which case the safety portion 9 will not automatically return to its original position, but must be manually pushed back to said position. In this case, the attachment at point 10 must be executed in a suitable way, allowing the tilting movement of the safety portion 9, by applying a sufficiently high pressure on the frontal lip.
  • Alternatives to the above described preferred embodiment and which fall within the scope of the appended claims, are defined by other specific shapes or orientations of the frontal and rear lip portion, and/or of the protrusions 8. Alternatively to the protrusions 8, a hole or groove may be provided in the surface of the sprayer body, and the safety portion may be secured in that hole or groove. The invention is not only related to spraying devices, but to any device wherein a rotatable portion is arranged in connection with the body of the device.
  • It is clear that this arrangement provides an effective safety which is easily released by adult users, but impossible to open by small children.

Claims (10)

  1. A device comprising a body (1,2) and a rotatable portion (3) arranged in connection to said body, characterized in that said device further comprises a safety arrangement (4), comprising a safety portion (9) arranged in connection to said rotatable portion (3), and a blocking means (8) arranged in connection with the body, for blocking a rotational movement of said safety portion (9), and consequently of said rotatable portion (3) and wherein the safety portion (9) is arranged to be releasable from said blocked position by a tilting movement of said safety portion (9).
  2. The device according to claim 1, wherein said blocking means comprises a pair of protrusions (8), with a space in between said protrusions, and wherein said safety portion (9) comprises a frontal lip portion (11) and a rear lip portion (12), arranged so that - in the locked (safe) condition of the arrangement - said rear lip portion (12) is secured in the space between said protrusions, and further arranged so that said rear lip portion (12) is releasable from said space by a tilting movement of the safety portion (9), said movement being actuated by pushing the frontal lip portion (11) towards the side surface of the rotatable portion (3).
  3. The device according to claim 1 or 2, wherein said safety portion (9) is produced from an elastic material.
  4. The device according to claim 3, wherein said safety portion (9) is produced from polypropylene.
  5. The device according to claim 2, wherein said protrusions have a sloping shape.
  6. A device according to any one of claims 1 to 5, wherein said device is a spraying device, and said rotatable portion is the spray head (3) arranged in connection with said spraying device.
  7. A rotatable portion (3) to be arranged in rotatable connection to the body of a device, said rotatable portion being provided with a safety portion (9), as described in any of the preceding claims 1 to 5.
  8. A rotatable portion according to claim 7, wherein said rotatable portion is a rotatable spray head (3).
  9. A spray head provided with a spray mouth, and characterized in that said head further comprises a side wall (20) surrounding said spray mouth.
  10. The spray head (3) according to claim 9, wherein said spray head further comprises a safety portion (9), as described in any one of claims 1 to 5.
EP06447056A 2006-04-14 2006-04-14 Safety arrangement for fluid dispenser Withdrawn EP1844862A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP06447056A EP1844862A1 (en) 2006-04-14 2006-04-14 Safety arrangement for fluid dispenser
PCT/EP2007/053147 WO2007118785A1 (en) 2006-04-14 2007-04-02 Safety arrangement for fluid dispenser
EP07727619A EP2010335A1 (en) 2006-04-14 2007-04-02 Safety arrangement for fluid dispenser
AU2007239565A AU2007239565A1 (en) 2006-04-14 2007-04-02 Safety arrangement for fluid dispenser
NO20084766A NO20084766L (en) 2006-04-14 2008-11-11 Fluid dispenser fuse arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06447056A EP1844862A1 (en) 2006-04-14 2006-04-14 Safety arrangement for fluid dispenser

Publications (1)

Publication Number Publication Date
EP1844862A1 true EP1844862A1 (en) 2007-10-17

Family

ID=36582062

Family Applications (2)

Application Number Title Priority Date Filing Date
EP06447056A Withdrawn EP1844862A1 (en) 2006-04-14 2006-04-14 Safety arrangement for fluid dispenser
EP07727619A Withdrawn EP2010335A1 (en) 2006-04-14 2007-04-02 Safety arrangement for fluid dispenser

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP07727619A Withdrawn EP2010335A1 (en) 2006-04-14 2007-04-02 Safety arrangement for fluid dispenser

Country Status (4)

Country Link
EP (2) EP1844862A1 (en)
AU (1) AU2007239565A1 (en)
NO (1) NO20084766L (en)
WO (1) WO2007118785A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2041339A (en) * 1979-01-31 1980-09-10 Afa Corp Child-resistant Closures for Container Mounted Spray Dispensers
US5848733A (en) * 1996-11-12 1998-12-15 Continental Sprayers International, Inc. Manually operated pump dispenser having child-resistant nozzle
EP1254722A1 (en) * 1999-08-13 2002-11-06 Saint-Gobain Calmar Inc. Fluid dispenser with child-resistant nozzle assembly

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2041339A (en) * 1979-01-31 1980-09-10 Afa Corp Child-resistant Closures for Container Mounted Spray Dispensers
US5848733A (en) * 1996-11-12 1998-12-15 Continental Sprayers International, Inc. Manually operated pump dispenser having child-resistant nozzle
EP1254722A1 (en) * 1999-08-13 2002-11-06 Saint-Gobain Calmar Inc. Fluid dispenser with child-resistant nozzle assembly

Also Published As

Publication number Publication date
NO20084766L (en) 2008-11-11
EP2010335A1 (en) 2009-01-07
WO2007118785A1 (en) 2007-10-25
AU2007239565A1 (en) 2007-10-25

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