EP1675685B1 - Pistolets d'arrosage - Google Patents

Pistolets d'arrosage Download PDF

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Publication number
EP1675685B1
EP1675685B1 EP04768171.3A EP04768171A EP1675685B1 EP 1675685 B1 EP1675685 B1 EP 1675685B1 EP 04768171 A EP04768171 A EP 04768171A EP 1675685 B1 EP1675685 B1 EP 1675685B1
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EP
European Patent Office
Prior art keywords
stem
gun
valve
head
fluid flow
Prior art date
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Active
Application number
EP04768171.3A
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German (de)
English (en)
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EP1675685A2 (fr
Inventor
Nicolino Laciofano
Robert Dudley Boughton
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.)
Hozelock Ltd
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Hozelock Ltd
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Publication date
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Publication of EP1675685A2 publication Critical patent/EP1675685A2/fr
Application granted granted Critical
Publication of EP1675685B1 publication Critical patent/EP1675685B1/fr
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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
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/002—Manually-actuated controlling means, e.g. push buttons, levers or triggers
    • B05B12/0022—Manually-actuated controlling means, e.g. push buttons, levers or triggers associated with means for restricting their movement
    • 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
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B05B1/3013—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the controlling element being a lift valve
    • 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
    • B05B9/01—Spray pistols, discharge devices

Definitions

  • This invention relates to hose guns.
  • Hose guns are often used to control the flow of water at the end of a garden hosepipe when, for example, watering plants.
  • hose guns include a multi function head in which different modes of operation, for example, different spray patterns can be selected by appropriately adjusting a control provided on the head. It is an aim of at least some of the embodiments of the present invention to provide a convenient means for selecting different functions in a multi function hose gun.
  • US-A-3709259 discloses a two-stage valve arrangement that is operable by an operator to cause fluid to flow therethrough.
  • the valve arrangement of US-A-3709259 is not directed towards providing a finitely adjustable flow rate and is instead directed towards providing a valve assembly that "snaps" open with a minimal operating force.
  • this known valve arrangement uses the pressure of fluid supplied thereto to close the valve arrangement. If the supply pressure is low or cut off, the valve assembly may therefore not close properly and the arrangement may leak.
  • GB-A-2909 discloses a self-closing tap.
  • the tap includes a two-stage valve that includes a radially inner and a radially outer part, the two parts combining to close an orifice of the tap.
  • a user-operable button is connected to the inner part and can be pressed to open that inner part, thereby partly uncovering the orifice and allowing flow therethrough. Continued depression of the button results in the outer part being engaged and the orifice being further uncovered. Again, the pressure of the fluid supplied to the valve arrangement of GB-A-2909 is used to close the inner part when the button is released. This arrangement therefore also suffers from a tendency to drip.
  • EP-A-1234616 discloses a hose gun according to the preamble of claim 1. It is an object of the invention to improve the existing hose guns.
  • a hose gun as defined in claim 1 of the appended claims.
  • a hose gun according to this aspect minimizes the problem of dripping or leaking when the pressure of fluid supplied thereto is low or cut off. This is achieved by the combination of the claimed stem and body being arranged such that the stem can act on the body so as to close both the flow paths, and also by providing spring means that biases the body to act in this way.
  • a first of the fluid flow paths may be opened for fluid flow.
  • a second of the fluid flow paths may be opened for fluid flow.
  • both the first and second fluid flow paths may be opened for fluid flow.
  • the fluid flow paths may be provided in parallel.
  • the expression “in parallel” is used in the electrical sense of the expression in contradistinction to "in series”.
  • valve arrangement is arranged to open in two stages and to provide two fluid flow paths.
  • a first of the flow paths is open to flow in the first stage and both of the flow paths are open to flow in the second stage.
  • the valve arrangement may be arranged so that the flow rate allowed through the bore is variable within some or all of the stages.
  • the valve arrangement may be operable progressively between a minimum state in which no flow is allowed through a respective fluid flow path and a maximum state in which the respective fluid flow path is fully open.
  • the minimum state in a particular stage may correspond to the valve arrangement being fully closed and no flow being allowed.
  • the minimum state in a stage may correspond to the respective fluid flow path being closed but another fluid flow path being open, possibly fully open.
  • a valve seat may be provided in the body against which a shoulder portion of the stem abuts in the closed state.
  • the stem and body may be considered to comprise a first valve of the arrangement.
  • a valve seat may be provided in the bore against which a shoulder portion of the body abuts in the closed state.
  • the body and bore may be considered to comprise a second valve of the arrangement.
  • At least one of the fluid flow paths may run at least partially through the body.
  • the stem may be arranged for axial movement within the body.
  • One extreme of the axial movement may correspond to the first valve being closed.
  • an abutment portion of the stem may abut against a corresponding abutment portion of the body.
  • the gun may be arranged so that operation of the user control causes axial movement of the stem and/or body within the gun.
  • Preferably movement of the user control over one range causes the first valve to open, so that the valve is in the first state and movement of the user control over another range causes the second valve to open, so that the valve is in the second state.
  • the valve arrangement may be such that the first valve is always open when the second valve is open.
  • the user control and valve may be arranged so that the user control acts on one of the stem and the body and movement of the control causes movement of the stem and body in two phases, in one of the phases the stem and body move together to open one valve and in the other of the phases the stem and body move relative to one another to open another valve.
  • the user control may act on the stem with drive transferred to the body or on the body with drive transferred to the stem.
  • the user control may be arranged to act on the stem so that movement of the user control causes movement of the stem to open the first valve.
  • the valve arrangement and user control may be further arranged so that continued movement of the user control causes the abutment portion of the stem to abut with the abutment portion of the body and the body to be moved by virtue of this abutment so opening the second valve.
  • the control surface may be inclined relative to the axis of the stem and body so that movement of the actuator in at least one direction transverse to the axis of the stem and body whilst the bearing surface is in contact with the control surface causes axial movement of the stem and/or body relative to the actuator.
  • the user control may comprise a trigger portion.
  • the actuator portion may be arranged to transfer movement between the trigger and the body and/or stem.
  • squeezing the trigger can cause the body and/or stem to move to allow fluid to flow through the gun.
  • squeezing the trigger will first move the stem relative to the body to open the first valve and further squeezing of the trigger will move the body and stem together relative to the bore to open the second valve.
  • the head of the stem may comprise resilient barbs to help prevent accidental removal of the stem after capture.
  • the head of the stem and the aperture of the body may be dimensioned and arranged so that the head will fit through the aperture only when in predetermined relative orientations.
  • the stem may be rotated relative to the body after capture. This can aid in retention of the head in the cage. Further the relative rotation of these two components can allow the abutment portions of the stem and body to be aligned so as to correctly abut in use.
  • the end of the actuator carrying the bearing surface may pass through a side wall of the cage and into a slot in the stem. This arrangement can help to prevent rotation of the stem relative to the remainder of the gun and/or relative rotation of the stem and body during normal use and can therefore help to keep the stem and body in the desired relative orientations.
  • a tail of the stem may comprise at least one guide projection which is retained in a channel inside the bore of the gun after assembly. The interaction of the guide projection and channel can resist rotation of the stem in normal use.
  • the head 3 is mounted on the gun body 1 in a conventional way and comprises a static portion 31 which in effect forms part of the body of the gun, and a rotatable portion 32.
  • the head 3 is a multifunction head providing 7 different outlet functions. Each of these functions is selected by rotating the head 32 relative to the body 1 to the appropriate position.
  • the gun comprises a trigger 4 which is operable by the user to control a fluid flow control valve arrangement 5 provided within a fluid flow bore 6 of the gun body 1.
  • head of the gun shown in Figure 6 is a six function head and the head shown in Figure 7 is a single function head.
  • Figures 8 to 11 show more detail of the gun shown in Figure 7 which is the same as that shown in Figures 1 to 5 except for the fact that the gun includes the second alternative head as mentioned above.
  • Figures 8 to 11 show the workings of the body of the gun in more detail than Figures 1 to 5 .
  • Figures 8 to 11 show the workings of the body of the gun in more detail than Figures 1 to 5 .
  • Figures 8 to 11 As these aspects are the same for both of these guns, as indeed they are for the gun of Figure 6 , reference will be made to Figures 8 to 11 as well as Figures 1 to 5 in describing the structure and operation of the gun body 1.
  • the trigger 4 is pivotally mounted to the body 1 and biassed towards an extended, "off", position in which the end of the trigger nearest the fluid inlet 2 projects as far as possible from the gun body 1.
  • An actuating member 7 is provided within a guide 71 in the gun body 1 and has a head portion 72 which acts on the internal surface of the trigger 4 and a tail portion 73 for actuating the valve arrangement 5 as will be described in more detail below.
  • a spring 74 is provided around the guide 71 and serves to force the head 72 of the actuating member 7 away from the guide 71 and into contact with the internal surface of the trigger 4. This action provides the biassing force mentioned above that acts on the trigger 4 to tend to cause it to move to its extended position.
  • the valve arrangement 5 comprises a stem portion 51 and a body portion 52.
  • the stem portion has a head 53 which is captured in a cage formed by the body portion 52 and further has a tail 54.
  • the tail 54 is seated on a spring 55 and includes a guide finger 56 located in a groove 61 in the bore 6 to help prevent rotation of the stem 51 relative to the bore 6.
  • the head 53 of the stem comprises an inclined control surface 57 on which a bearing surface of the tail 73 of the actuating member 7 bears during operation of the trigger 4.
  • the control surface 57 is provided by virtue of there being a slot through the head 53 of the stem. One of the side walls of the slot is visible in Figures 5 , 8 and 9 behind the tail 73 of the actuating member 7.
  • Axial movement of the stem 51 relative to the body 52 is allowed to some degree but the head 53 and body 52 comprise respective abutment portions 58 (see Figure 8 ) which abut against one another once a certain degree of axial movement of the stem 51 towards the water inlet 2 has occurred.
  • the head 53 of the stem 51 is dimensioned and arranged so that it may be inserted through an aperture at the base of the body portion 52 during assembly so as to achieve its captured position as shown in Figures 5 , 8 and 9 .
  • the aperture in the body portion 52 and the head 53 are arranged so that in one relative orientation the head 53 will pass through the aperture whereas after rotation of the stem relative to the body, the head is captured within the cage like body portion 52 and the abutment portions 58 can act against one another as required.
  • a pair of barbs are provided; one on each of the side walls of the slot formed in the head 53. These barbs help to prevent accidental removal of the head 53 from the body 52.
  • the valve arrangement 5 provides two stage valve opening. This is achieved by providing two separate fluid flow paths through the valve arrangement 5 (see Figures 8 and 9 ).
  • a first valve is provided by the extreme end of the head 53 having a shoulder 59 carrying an O-ring seal which can act against a seat 510 provided by the body 52.
  • the second valve is provided by the extreme end of the body 52 having a shoulder 511 carrying an O-ring seal which can act against a seat 512 provided in the bore 6 of the gun body 1.
  • FIGS. 5 , 8 and 9 show the trigger 4 and valve arrangement 5 in various stages of operation.
  • the trigger 4 is partially depressed and the valve arrangement 5 is partially open.
  • the first valve provided between the stem 51 and body 52 is open by virtue of the seal on the respective shoulder 59 having moved away from the seat provided by the body portion 510.
  • valve arrangement 5 in the present embodiment can open in two distinct stages. However, within each stage there are still different degrees by which the valves may be open.
  • a small depression of the trigger will crack open the first valve provided between the head shoulder 59 and the body seat 510 and continued depression of the trigger 4 will increase the spacing between these two components increasing the fluid flow path.
  • the abutment portions 58 will abut against one another and continued movement of the trigger 4 will cause the second valve to crack open. From this point, further movement of the trigger 4 increases the fluid flow path between the body shoulder 511 and the associated seat 512.
  • the guns shown in Figures 1 to 11 also include an arrangement for locking the trigger in two "on" positions.
  • Figures 8 and 10 show the gun body in one of the locked trigger positions and
  • Figures 9 and 11 show the gun in the other of the locked trigger positions.
  • the locking arrangement comprises a stop member 8, in the form of a slidable button, which is biassed by a spring 81 towards an extended, release, position as shown in Figure 5 .
  • the stop member 8 includes a ridge 82 which acts as a detent and further has an abutment surface 83.
  • the trigger 4 comprises a pair of abutment projections 41, 42, in the region of the stop member 8. These abutment projections are perhaps most clearly shown in Figures 10 and 11 .
  • a first of the trigger abutment projections 41 abuts with the abutment surface 83 of the stop member 8 and furthermore, is urged into contact with the stop member 8 by virtue of the biassing force provided by the spring 74 and actuating member 7 as described above.
  • the second trigger abutment projection 42 is behind (i.e. further into the gun body 1) the abutment surface 83 and thus does not affect the position of the trigger 4.
  • the first projection 41 of the trigger also acts on the ridge 82 and serves to prevent the stop member 8 moving back to its release position (as shown in Figure 5 ) under the action of spring 81.
  • the stop member 8 also has two locked positions each corresponding to a respective trigger 4 position.
  • stop member 8 When the trigger 4 is in the extended, off, position and the stop member 8 is in the release position as shown in Figure 5 , the portion of the stop member 8 including the ridge 82 abuts with a ledge 43 on the trigger 4 and the first projection portion 41 such that movement of the stop member 8 towards a retracted position (eg as shown in Figure 8 or 9 ) is prevented by interaction between the stop member 8 and the trigger 4.
  • the stop member 8 may only be actuated once the trigger 4 itself has been actuated by a predetermined amount.
  • the two abutment projections 41, 42 are behind the abutment surface 83 and so do not affect the position of the trigger 4.
  • different gun heads may be provided on the gun as illustrated in Figures 3 , 6 and 7 .
  • the head shown in Figure 3 there are seven fluid outlet functions as mentioned above. These seven functions include five different spray patterns provided by five different spray outlets 91.
  • the spray outlets 91 are dimensioned and arranged to give a respective spray shape and are angularly equispaced around the face of the head.
  • the head comprises a rose plate 92 which allows the fluid to leave the gun as through a conventional watering rose and further comprises a perlator 93 provided at the centre of the rose plate 92.
  • the perlator 93 is a proprietary "drop in” component. That is to say the gun head is moulded in such a way as to provide a receiving location for the perlator 93 and to provide fluid flow to the input of the perlator but the perlator itself is a self contained and off the shelf component.
  • Such perlators are more normally used in bathroom shower heads and may easily be obtained commercially.
  • These heads therefore comprise a directing portion 10, more specifically the rotatable portion of the head 32 comprises the directing portion 10.
  • a directing portion 10 of the seven function head may be seen in Figures 4 and 5 but more detail is shown in Figures 12A , 12B and 12C .
  • the static portion 31 of the head acts as a link between the rotatable portion of the head 32 and the remainder of the body of the gun 1.
  • the static portion 31 comprises a fluid communication channel 33 which provides a fluid flow path to a supply outlet 34 from which inlets 101 of the directing portion 10 may be supplied with fluid.
  • the directing portion comprises a plurality of inlets 101 which may be selectively presented to the supply outlet 34.
  • the supply outlet 34 is offset from the rotational axis of the rotatable portion 32 of the head 3. Therefore as the directing portion 10 is rotated as part of the rotatable portion of the head 32 the different directing portion inlets 101 are presented to the supply outlet 34.
  • the function of the directing portion is to direct water from the supply outlet 34 to the correct functional outlet, be that a spray outlet 91, the rose plate 92, or the perlator 93.
  • the directing portion comprises a base plate 110 and a cover plate 120.
  • the two sides of the base plate 110 of the directing portion 10 can be seen in Figures 12A and 12B .
  • a first side of the plate, which is shown in Figure 12A comprises the spray outlets 91. In the assembled head these project through the rose plate 92 which otherwise covers this side of the base plate shown in Figure 12A .
  • this first side of the base plate 110 comprises a rose outlet 111 for feeding fluid to the rose plate 92 and a perlator receiving recess 112 and associated outlet aperture 113 for feeding fluid to the perlator 93.
  • the second side of the base plate 110 which is shown in Figure 12B , comprises a plurality of directing channels 114.
  • the cover plate 120 comprises the plurality of apertures 101 which act as the inputs to the directing portion 10. Each of these apertures 101 corresponds to a different one of the fluid outlet functions of the gun.
  • the cover plate 120 covers the second side of the base plate 110 and is welded thereto.
  • the directing channels 114 and cover plate 120 together define appropriate fluid flow paths from each inlet aperture 101 provided in the cover plate 120 to the appropriate outlet 91, 111, 113 on the other side of the base plate 110.
  • the channel portions 114 provide an angular offset between some of the outlets 91, 111 and the respective inlet 101, or to put this another way, they provide a path which includes a tangential or circumferential component rather than just radial and/or axial components. Not all of the channels provide such a tangential or circumferential path component.
  • the channel provided for supply to the perlator 93 has a path with just radial and axial components and that two of the functional spray outlets have entirely axial supply channels with no radial or tangential component.
  • three of the supply channels 114a, 114b and 114c provide a path having a substantial tangential component and a fourth 114d provides a path having a minor tangential component.
  • the cover plate 120 also comprises a plurality of depressions 121.
  • the depressions 121 are equally spaced around the whole of the circumference of the cover plate 120.
  • the static part 31 of the head comprises a spring loaded plunger 130.
  • This plunger is biassed towards the cover plate 120 and has a nose portion which is arranged to click into the depressions 121 in the cover plate 120.
  • the plunger 130 and depressions 121 act together to provide an indexing function for the rotation of the rotatable part 32 of the head. That is to say as the rotatable portion 32 is rotated relative to the static portion 31, the spring loaded plunger 31 clicks into and out of the depressions 21.
  • the depressions 121 are equally spaced around the cover plate 120 and moreover the inlet apertures 101 are also equally spaced around the cover plate.
  • This of course corresponds to a situation where rotational movement of the rotatable part 32 through a predetermined number of degrees causes the gun to be moved from one function to the next.
  • an angular movement of just under 51.5° is required to move from one function to the next.
  • Rotating the rotatable part 32 of the head by a fixed amount between functions gives a very pleasing mode of operation for the user, and similarly, the symmetric arrangement of spray outlets 91 around the face of the head gives a pleasing appearance.
  • the directing portion overcomes this problem by directing the fluid flows appropriately, including the provision of angular shifting, by virtue of having the structure explained above.
  • cover plate 120 for the six function head six inlet apertures 101 are provided and there is a blanking portion 102 in place of the seventh aperture.
  • the cover plate 120 is welded onto the base plate 110 such that the blanking portion lines up with the channel which is used to supply fluid to the perlator in the seven function head.
  • the perlator output is sealed and serves no function. At the same time however, the remainder of the direction portion 10 can function as in the seven function head.
  • the cover plate shown in Figure 13 for the six function head includes six indexing depressions 21 which correspond to the six apertures provided. In this way there will only be a positive click into position when the head is rotated to a functioning position. It will also be noted that there is equal angular separation between the apertures 101 and the indexing depressions 121 around the majority of the plate but there is a gap in this array corresponding to the blanked off aperture. Thus, in use moving the head by a fixed number of degrees, again just under 51.5°, will move between one function and the next apart from where there is this gap. Of course, however, the head may be moved in either direction so there is still at least one adjacent function which can be reached by the standard angular movement.
  • the directing portion 10 could be arranged so that the indexed positions, i.e. operating positions, were equispaced around the whole of the head.

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Claims (11)

  1. Pistolet d'arrosage (1) comprenant un agencement de soupape de régulation de débit (5) pour réguler le débit par un alésage d'écoulement de fluide (6) dans le pistolet et une commande utilisateur (4) pour commander l'agencement de soupape de régulation, l'agencement de soupape de régulation de débit étant agencé pour s'ouvrir dans une pluralité de phases,
    l'agencement de soupape de régulation de débit comprenant une tige (51) et un corps (52) qui sont mobiles l'un par rapport à l'autre entre une position dans laquelle un premier chemin d'écoulement de fluide passant par l'agencement de soupape est complètement ouvert et une position dans laquelle le premier chemin d'écoulement de fluide est fermé,
    dans lequel le corps (52) est agencé pour être reçu dans l'alésage (6) du pistolet pour le déplacement entre une position dans laquelle un second chemin d'écoulement de fluide passant par l'agencement de soupape (5) est complètement ouvert et une position dans laquelle le second chemin de fluide est fermé, et
    dans lequel la tige (51) est mobile dans le pistolet dans une direction pour agir sur le corps (52) afin d'ouvrir le second chemin d'écoulement, et mobile dans la direction opposée pour agir sur le corps afin de fermer à la fois les premier et second chemins d'écoulement, le pistolet comprenant des moyens de ressort (55) qui sollicitent la tige dans la direction opposée, et
    dans lequel la commande utilisateur comprend une partie formant actionneur (7) pour transférer le mouvement appliqué par l'utilisateur au corps et/ou à la tige, la partie formant actionneur a une surface de support vers une extrémité (73) pour s'appuyer sur une surface de commande (57) correspondante de la tige, le corps se présente sous la forme d'une cage dans laquelle une tête (53) de la tige est capturée et caractérisé en ce que l'extrémité de l'actionneur portant la surface de support passe par une paroi latérale de la cage et dans une fente, dans la tige.
  2. Pistolet d'arrosage (1) selon la revendication 1, dans lequel un siège de soupape (510) est prévu dans le corps (52) contre lequel une partie d'épaulement (59) de la tige (51) vient en butée à l'état fermé, la tige et le corps étant considérés comme comprenant une première soupape de l'agencement.
  3. Pistolet d'arrosage (1) selon la revendication 1 ou la revendication 2, dans lequel, dans une première phase d'ouverture, le premier chemin d'écoulement de fluide peut être ouvert pour l'écoulement de fluide.
  4. Pistolet d'arrosage (1) selon la revendication 3, dans lequel, dans une seconde phase d'ouverture, le second chemin d'écoulement de fluide peut être ouvert pour l'écoulement de fluide.
  5. Pistolet d'arrosage (1) selon la revendication 4, dans lequel, dans la seconde phase d'ouverture, à la fois les premier et second chemins d'écoulement de fluide peuvent être ouverts pour l'écoulement de fluide.
  6. Pistolet d'arrosage (1) selon l'une quelconque des revendications précédentes, dans lequel un siège de soupape (512) est prévu dans l'alésage (6) contre lequel une partie d'épaulement (511) du corps (52) vient en butée dans un état fermé, le corps et l'alésage étant considérés comme comprenant une seconde soupape de l'agencement.
  7. Pistolet d'arrosage (1) selon l'une quelconque des revendications précédentes, dans lequel la tige (51) est agencée pour le mouvement axial à l'intérieur du corps (52), une limite du mouvement axial correspondant à la première soupape qui est fermée et à l'autre limite du mouvement axial, une partie de butée (58) de la tige venant en butée contre une partie de butée (58) correspondante du corps.
  8. Pistolet d'arrosage (1) selon la revendication 6 ou la revendication 7, dans lequel la commande utilisateur (4) et la soupape (5) sont agencées de sorte que la commande utilisateur agit sur l'un parmi la tige (51) et le corps (52) et le mouvement de la commande provoque le mouvement de la tige et du corps en deux phases, dans l'une des phases, la tige et le corps se déplacent ensemble pour ouvrir une soupape et dans l'autre phase la tige et le corps se déplacent l'un par rapport à l'autre pour ouvrir une autre soupape.
  9. Pistolet d'arrosage (1) selon la revendication 8, dans lequel l'agencement de soupape (5) et la commande utilisateur (4) sont en outre agencés de sorte que le mouvement continu de la commande utilisateur amène la partie de butée (58) de la tige (51) à venir en butée avec la partie de butée (58) du corps (52) et le corps, à être déplacés en vertu de cette butée, ouvrant ainsi la seconde soupape.
  10. Pistolet d'arrosage (1) selon l'une quelconque des revendications précédentes, dans lequel la surface de commande (57) est inclinée par rapport à l'axe de la tige (51) et du corps (52) de sorte que le mouvement de l'actionneur (7) dans au moins une direction transversale par rapport à l'axe de la tige et du corps, alors que la surface de support est en contact avec la surface de commande, provoque le mouvement axial de la tige et/ou du corps par rapport à l'actionneur.
  11. Pistolet d'arrosage (1) selon l'une quelconque des revendications précédentes, dans lequel le corps (52) comprend une ouverture à travers laquelle la tête (53) de la tige (51) peut être introduite pour la capture, et la tête de la tige et l'ouverture du corps sont dimensionnées et agencées de sorte que la tête s'adapte à travers l'ouverture uniquement lorsqu'elle est dans des orientations relatives prédéterminées.
EP04768171.3A 2003-08-21 2004-08-23 Pistolets d'arrosage Active EP1675685B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0319698.7A GB0319698D0 (en) 2003-08-21 2003-08-21 Hose guns
PCT/GB2004/003615 WO2005018814A2 (fr) 2003-08-21 2004-08-23 Pistolets d'arrosage

Publications (2)

Publication Number Publication Date
EP1675685A2 EP1675685A2 (fr) 2006-07-05
EP1675685B1 true EP1675685B1 (fr) 2013-11-27

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EP04768171.3A Active EP1675685B1 (fr) 2003-08-21 2004-08-23 Pistolets d'arrosage

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EP (1) EP1675685B1 (fr)
GB (1) GB0319698D0 (fr)
WO (1) WO2005018814A2 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7850098B2 (en) 2005-05-13 2010-12-14 Masco Corporation Of Indiana Power sprayer
US11267003B2 (en) 2005-05-13 2022-03-08 Delta Faucet Company Power sprayer
US7240858B2 (en) * 2005-05-31 2007-07-10 King-Yuan Wang Trigger mechanism for watering nozzles
CN103406224B (zh) * 2013-08-01 2015-10-21 宁波大叶园林科技有限公司 一种防冻的远端止水的水枪
GB2518692B (en) 2013-09-30 2019-12-18 Exel Industries Sa Hose guns
PL3116658T3 (pl) * 2014-03-10 2020-12-28 Husqvarna Ab Urządzenie do nanoszenia wody z ergonomiczną regulacją objętości
US11856942B2 (en) 2016-02-12 2024-01-02 Kenneth D. Crenshaw Dual nozzle sprayer
US9814227B2 (en) 2016-02-12 2017-11-14 Kenneth D. Crenshaw Dual nozzle spray gun

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191202909A (en) 1912-02-05 1912-10-10 Frederick Charles Lynde Improvements in and relating to Hose Pipes and Taps therefor.
US3709259A (en) 1971-04-26 1973-01-09 V Hechler Hand operated low pressure valve
DE29716243U1 (de) * 1997-09-10 1999-01-14 Nonnenmacher Walter Blaspistole
DE20103141U1 (de) * 2001-02-22 2001-05-10 Kaercher Gmbh & Co Alfred Handspritzpistole für ein Hochdruckreinigungsgerät

Also Published As

Publication number Publication date
EP1675685A2 (fr) 2006-07-05
WO2005018814A2 (fr) 2005-03-03
WO2005018814A3 (fr) 2006-06-29
GB0319698D0 (en) 2003-09-24

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