EP2446217A2 - Dispositif de lancement pour cibles en argile - Google Patents

Dispositif de lancement pour cibles en argile

Info

Publication number
EP2446217A2
EP2446217A2 EP10787157A EP10787157A EP2446217A2 EP 2446217 A2 EP2446217 A2 EP 2446217A2 EP 10787157 A EP10787157 A EP 10787157A EP 10787157 A EP10787157 A EP 10787157A EP 2446217 A2 EP2446217 A2 EP 2446217A2
Authority
EP
European Patent Office
Prior art keywords
clay
throwing arm
launching device
clay target
arm
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
EP10787157A
Other languages
German (de)
English (en)
Other versions
EP2446217B1 (fr
Inventor
Ferris Whidborne
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2446217A2 publication Critical patent/EP2446217A2/fr
Application granted granted Critical
Publication of EP2446217B1 publication Critical patent/EP2446217B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41JTARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J9/00Moving targets, i.e. moving when fired at
    • F41J9/16Clay-pigeon targets; Clay-disc targets
    • F41J9/18Traps or throwing-apparatus therefor
    • F41J9/30Traps or throwing-apparatus therefor characterised by using a magazine of targets
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41JTARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J9/00Moving targets, i.e. moving when fired at
    • F41J9/16Clay-pigeon targets; Clay-disc targets
    • F41J9/18Traps or throwing-apparatus therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41JTARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J9/00Moving targets, i.e. moving when fired at
    • F41J9/16Clay-pigeon targets; Clay-disc targets
    • F41J9/18Traps or throwing-apparatus therefor
    • F41J9/32Traps or throwing-apparatus therefor characterised by means for obviating the anticipation of the flight path

Definitions

  • This invention relates to a launching device for clay pigeons, also known as clay targets, or skeets.
  • game bird may include partridge, pigeon, pheasant or fowl for example, in this specification the term pheasant will be used for game bird as the sport of pheasant shooting is currently the most popular and widespread.
  • wild pheasant In a sporting sense, it is preferable to have wild pheasant as targets. This is because wild pheasant exhibit more favourable characteristics such as eagerness to fly, high flight speed, and erratic flight paths, such characteristics contributing to a challenging target and improved overall enjoyment for the participants.
  • pheasant hens are typically kept in large numbers in a controlled environment and as a result, unnaturally large numbers of eggs are laid. These eggs are subsequently removed and artificially incubated until hatching occurs.
  • the hatched chicks are transferred into multi-pen brooder systems typically designed to hold in the region of one to two hundred chicks. Following the brooder system, the chicks are moved to enclosed grass sites and finally onto a release site in order to acclimatise the chicks to increased freedom.
  • the process outlined above enables a large number of pheasants to be reared in a short time period to replace the elevated numbers of pheasants killed in organised shoots. It is estimated that between 20 and 40 million pheasants are released each summer in the UK to support the annual pheasant harvest.
  • Emtryl® was claimed as the only available treatment for a number of game bird afflictions.
  • Emtryl® was banned by the European Union in 1995 since its active ingredient DMZ (dimetridazole) was found to be carcinogenic, with there being no set safe maximum residue level and so posing a possible risk to human health whatever the concentration.
  • Crowded breeding units are an integral part of general intensive farming techniques and their use is well known by the public and heavily publicised and criticised by animal rights activists and action groups.
  • artificially reared pheasants are also kept in cramped conditions in close proximity with other birds, so depriving the birds of the natural open-air environment for which they are biologically programmed. For instance, in the wild, pheasants tend to reside in groups of less than a dozen.
  • the general close proximity to other birds and frequent movement from breeding unit to acclimatisation runs to release sites are a subsequent cause of stress among the birds, such stress manifesting itself in various ways. As an example, stress can interrupt feeding patterns and can also lead to aggression and bird-on-bird fighting.
  • captivity-reared pheasants suffer a greatly increased mortality rate when in the wild and in consequence comparatively few birds survive to continue to breed. Therefore, greater reliance is placed upon the stocks of introduced birds to sustain the shooting requirement. Generally, the quality of pheasants has declined and as such they tend to exhibit undesirable flight characteristics such as slowed flight, a lower flight path and an unwillingness to take flight and so are less challenging as flying targets.
  • a clay pigeon is typically a concave disc-shaped body of clay or other frangible material, which is usually coloured fluorescent orange or black, although other colours such as white, or yellow are frequently used in order that the clay pigeon can be clearly seen against varying backgrounds and/or light conditions.
  • a clay pigeon is launched from a launching device called a "trap" causing it to rotate about its central axis to provide stability in the air where it presents a flying target for a marksman which shatters when hit by shotgun pellets.
  • traps most commonly comprise a swinging arm powered by a stored energy means in the form of a spring, with the swinging arm pivotably mounted to a base and imparting the rotating motion to the target upon release of the spring.
  • the throwing arm is manually cocked by pivoting the throwing arm about 180 degrees by which action the spring is extended or compressed.
  • clay pigeon and its use with traps is an accepted method for individuals to improve their shooting abilities of live pheasants and as a sport in its own right, generally known as clay pigeon shooting, and also as skeet shooting.
  • clay pigeons avoid many of the above mentioned problems with live captivity reared pheasants, they also exhibit a number of characteristics that are undesirable from the view of an exponent of the sport of pheasant shooting.
  • the typical flight range of a clay pigeon launched by a conventional spring- loaded trap from the ground is in the region of 50 to 60 metres and is appropriate for representing or simulating the flight path of a pheasant crossing the line of, or flying away from, the guns.
  • clay pigeons are most ineffective. For example, if a typical effective range of a shotgun is taken to be in the range of 30 to 40 metres and if the clay pigeon is released around 20 metres from the gun, the clay pigeon will still be in range of a shotgun when it has landed.
  • the fragile nature of the day pigeon limits both its speed and range and the power that may be used to launch it. Firstly, increasing the initial velocity imparted to the clay pigeon raises the likelihood of it disintegrating upon release. However, simply making a clay pigeon heavier and stronger is undesirable since this reduces the chance of the clay pigeon fracturing when hit. Secondly, a clay pigeon is commonly manufactured with ridges or sharp angles in order to register hits from shot gun pellets with substantially shallow angles of incidence, such features reducing its aerodynamic properties.
  • the launching arm of a conventional trap is spring-loaded and reciprocates from a cocked position to a released position whereby it launches the clay pigeon into the air. Once the launching arm has been released from its cocked position, it requires re-cocking, either manually by an operator, or automatically by an electrically driven system associated with the trap. This action is time consuming and limits the firing speed of the trap undesirably.
  • An object of the present invention is to provide a trap, herein referred to as a 'launching device' that can launch a clay target over a greater flight range than is possible using conventional traps, and to increase the rate at which it is possible to launch clay targets into the air accurately along a predetermined trajectory. Moreover, a further object is to provide a safer launching device with a reduced risk of injury to the operator.
  • the invention provides a launching device for a clay target including a throwing arm supported to be rotatable continuously about an axis, and including means to load a clay target substantially at said axis, wherein the throwing arm includes an escapement mechanism operable between a first position in which a clay target is prevented from being launched from the throwing arm and a second position in which a clay target is permitted to be launched from the throwing arm.
  • the centrally/axially loaded throwing arm lends itself to efficient launching of clays since it avoids the time consuming process of re-cocking of a conventional spring-loaded trap.
  • the escapement mechanism serves to arrest movement of a clay target along the arm until the arm reaches a predetermined radial position, whereby the escapement mechanism moves to its second operating position to allow the clay target to be launched into the air. In this way, successive clay targets that are launched from the throwing arm have predictable and consistent launch trajectories.
  • the escapement mechanism includes a cam member mounted to the throwing arm, the cam member carrying obstructing means or a 'retaining member' which, in the first position, obstructs the passage of a clay target along the throwing arm, and in the second position, permits a clay target to move along the throwing arm to be launched.
  • the escapement mechanism acts to arrest movement of the clay target along the throwing arm until the arm is in a suitable position to launch the clay target.
  • the obstructing means takes the form of a resilient rod which, in the first position, projects into an internal volume defined by the throwing arm so as to block the passage of a clay target therethrough. So that the rod has the correct degree of resilience, preferably the rod is of plastics such as NylonTM, PTFE or polyethylene.
  • biasing means preferably are included to urge the cam member to return to the first position.
  • the biasing means may be a spring, in one embodiment the biasing means is a projection defined by the cam member on which centrifugal force acts during rotation of the arm to move the cam member angularly towards the first position.
  • An additional spring may be provided to ensure that the cam member is moved angularly when it is in an extreme angular position so as to complement the biasing force provided by the projection.
  • the cam member In order to make sure that the cam member is held in its first position until the appropriate time, it may be provided with a catch member, a portion of which is engageable with a stop defined on a surface of the cam member. Engagement between the catch member and stop therefore limits angular movement of the cam member until the catch member engages triggering means, preferably associated with a frame to which the throwing arm is mounted, at a predetermined angular position as the arm rotates. Interplay between the triggering means and the catch member causes the catch member to lift clear of the stop which allows a clay target to push against the rod, which moves the cam member and allows the clay target to be launched from the arm under the action of centrifugal force.
  • the arm In order to enable a succession of clay targets to be loaded onto the throwing arm as it rotates, the arm is provided with an opening substantially located at its axis.
  • the opening enables manual loading of clay targets or, more preferably, and more safely, clay targets may be loaded by an automatic loading mechanism such a magazine of the type used with conventional clay target traps.
  • the invention provides a method of launching a clay target including rotating a throwing arm about an axis thereof, loading successive clay targets substantially at the axis of the throwing arm during rotation of the arm, arresting movement of each one of the clay targets, in turn, against centrifugal force exerted thereon and permitting said arrested clay target to be launched from the arm at a predetermined angular position thereof.
  • the method may also include cushioning the landing of each one of the clay targets as they are loaded at the axis of the throwing arm.
  • the method may include disrupting the airflow over each one of the clay targets as it is launched along the throwing arm. Disrupting the airflow in this way guards against en edge of the clay target lifting clear of the throwing arm, which tends to result in the clay target being launched on a tilt reducing the likelihood of a consistently straight flight trajectory.
  • the invention provides a way to launch a succession of clay targets along a predetermined flight path quickly and accurately which is a great advantage over conventional clay target traps which are based on the technology of a spring loaded pivotable arm which fires clay targets one-by-one.
  • the invention provides a launching device for a clay target including a throwing arm supported to be continuously rotatable about an axis, and including loading means to load a clay target substantially at said axis, wherein the loading means includes a resilient loading receptacle located substantially at the axis to provide cushioning to a clay target as it is loaded.
  • clay targets are fragile items, prone to breaking, cushioning the landing of the targets in this way contributes greatly to reducing the number of clay targets that tend to break.
  • the loading receptacle may include a base defining an impact zone for a clay target and a side wall surrounding at least a part of the impact zone, and a open region opposing the side wall that permits a clay target to travel in a launching direction.
  • the impact zone may provide cushioning itself, for example by carrying a resilient coating of rubber, foam or the like, or be spring loaded to provide a degree of give when a clay targets lands on it.
  • the loading receptacle includes a mounting flange that extends generally orthogonal to the base, the flange and the base defining a hinge therebetween that provides the impact zone with the necessary cushioning.
  • the loading receptable also may be provided with means to clear any debris away from the impact zone quickly.
  • the base and the side wall may together define one or more openings to permit debris to escape from the loading receptacle.
  • a portion of the surface in the impact zone may be inclined relative to the base so as to provide a ramp which urges a loaded clay target in the launching direction.
  • the inclined surface may extend between a portion of the base and a portion of the side wall to define the first and second of the openings either side thereof.
  • the base may be provided with a suitable low friction coating such as PTFE or FEP (TEFLON ® ), or also a graphite-based low friction paint for example.
  • a suitable low friction coating such as PTFE or FEP (TEFLON ® ), or also a graphite-based low friction paint for example.
  • clay targets are inclined to launch at a tilt to the plane of the throwing arm.
  • the effect of this is that the clay target tends not to fly on a straight trajectory, as is preferable, but instead tends to fly in a curved trajectory in the general direction of the tilt.
  • the invention provides a launching device for a clay target including a throwing arm supported to be rotatable about an axis, wherein the throwing arm includes a base portion for bearing a clay target and a top cover spaced from the base portion and adapted to disrupt the airflow over the clay target.
  • the invention has particular utility to the type of launching devices described herein, that is to say those having throwing arms that rotate continuously in use and having an opening substantially at the axis of the throwing arm through which opening successive clay targets are loadable onto the arm as it rotates.
  • loading means configured to load a plurality of targets onto the loading arm through the opening one-by-one.
  • the top cover may be provided with one or more apertures.
  • the throwing arm may be provided with a runner against which a clay target bears as it is launched, the runner including one or more openings to permit debris to be cleared from the throwing arm through rotation thereof.
  • Figure 1 is a perspective view from the right hand side of a launching device for a clay target in accordance with an embodiment of the invention
  • Figure 2 is a perspective view of a loading receptacle for the launching device of Figure 1 ;
  • Figure 3 is a view from above of a throwing arm of the launching device of Figure 1 ;
  • Figure 4 is a perspective view of an escapement mechanism of the launching device of Figure 1 ;
  • Figure 5 is a view from above of the escapement mechanism in Figure 4 in a first operating position
  • Figure 6 is a view from above of the escapement mechanism in a second operating position
  • Figure 7 is a view from above of the escapement mechanism in a third operating position.
  • the same reference characters designate the same or similar parts.
  • a launching device generally indicated at 2, comprises a supporting base 4 from which depends three legs 6 supporting the launching device on the ground (not shown), and a launch assembly 8 rotatably mounted on the base 4.
  • the legs 6 are fixed to the base 4 by bolts 10 which allows the legs 6 to swing between a closed position, in which the legs 6 lie substantially parallel to one another, to an open position so as to define a stable triangular footprint, as shown in Figure 1.
  • the rotatable mounting for the launch assembly 8 comprises a box-section steel hub 12 having a rigid, circular in cross-section, shaft 14 that depends downward from the centre of the hub 12 and extends through a tubular bearing collar 16 defined by the base 4.
  • the hub 12 is therefore moveable angularly about the axis of the shaft 14.
  • the launch assembly 8 is mounted to the hub 12 via a frame-like support platform 18 comprising a laterally extending box-section steel beam 20 that is mounted to two upwardly extending flanges 22 provided at either end of the hub 12.
  • the beam 20 includes a bracket 24, also of box-section steel, that is attached to the beam 20 by welding.
  • the bracket 24 is provided with two tabs 26 (only one of which is shown in Figure 1 ) extending perpendicularly away from the bracket 24, each tab 26 being pivotably mounted as by bolts 28 to a respective one of the flanges 22 so as to form a hinge. Therefore, the support platform 18 is pivotable about the hinge such that the pitch of the launch assembly 8 can be varied.
  • the support platform 18 also comprises an attitude control arm 30, of box-section steel, which extends perpendicularly away from the approximate mid point of the lateral beam 20.
  • the attitude control arm 30 has a length sufficient to enable an operator to stand clear of the launch assembly 8 when it is in operation, and provides leverage on the support platform 18 enabling the operator "aim" the launching assembly 8 angularly, and in pitch, without a great deal of effort.
  • the principal function of the support platform 18 is to carry a throwing arm 32 of the launch assembly 8.
  • the throwing arm 32 is rotatably mounted to the support beam 20 by way of a mounting pin (not shown) that depends from the rotational axis of the arm 32 and projects through a through-hole provided in the lateral beam 20 and the bracket 24.
  • the mounting pin is secured to the beam 20 and bracket 24 by respective upper and lower mounting collars 34, 36, respectively.
  • the lower collar 36 In order to rotate the throwing arm 32, the lower collar 36 is concentrically mounted to a pulley wheel 38 that cooperates with an endless drive belt 40.
  • the drive belt 40 also cooperates with a driving pulley wheel which is attached to an electrically driven DC motor that is mounted on the lateral beam. It should be appreciated that the driving pulley wheel and the DC motor are not shown in Figure 1 but are conventional.
  • the throwing arm 32 takes the form of an elongate member somewhat shorter that the length of the lateral beam 20 and which is defined by two halves; each one of the halves extending radially from the centre of the throwing arm 32.
  • a loading aperture 42 is defined at the centre of the throwing arm 32 by which means clay targets can be loaded into the throwing arm as it rotates to be flung from an operating portion 44 of the arm 32 as will be described further herein.
  • the other half portion 46 of the throwing arm 32 constitutes a counterbalance weighted to ensure that the throwing arm 32 is balanced as it is rotated at an operational speed of up to approximately 500rpm.
  • a generally semi-circular protective cover 50 (shown in Figure 1 in dashed-lines) is mountable to the launch assembly 8 at mounting lugs 52 provided at each end of the lateral beam 20 and a further lug 54 provided on the end of the attitude control arm 30 remote from the lateral beam 20.
  • the lug 54 is provided with a screwable handle 56 which is turnable to secure the cover 50 to the support platform 18.
  • a front cover may also be mounted to at further lugs 53 provided on the main cover 50 for providing protection to the throwing arm 32 during transportation of the device.
  • the further cover may also be provided with a suitable aperture to permit clays to be launched through it, such an aperture allowing the cover to remain in place during operation.
  • the cover could be formed from any material that has sufficient rigidity to withstand potential impacts with the throwing arm, or impacts from objects striking the cover.
  • the cover could be metallic, such as sheet steel/aluminium or, alternatively, the cover could be a vacuum moulded plastics such as HDPE.
  • an automatic loading means is provided on the cover 50 in the form of a magazine assembly 58 (also shown in dash-lines) for holding a plurality of clay targets and dispensing targets one-by-one into the loading aperture. It should be noted that the precise details of the protective cover 50 and the loading magazine assembly 58 are not essential to the present invention and will not be described in further detail here.
  • the loading aperture 42 of the throwing arm 32 is defined by a tray-like receptacle 60, shown more clearly in Figure 2, which includes a substantially flat base 62 having an open front end (to the left in the orientation shown) and a rear end that is closed by a raised semicircular wall 64 that is attached to the platform base 62 by two tabs 66, one extending upwards from either side of the base 62.
  • An oblong flange 68 depends downwardly from the front edge of the base 62 substantially at right angles along a hinge line 70 and provides a means to mount the loading receptacle 60 to the superstructure of the throwing arm 32 by way of two mounting holes 72.
  • the hinged relationship between the base 62 and the mounting flange 68 imparts the loading receptacle 60 with a degree of resilience or 'give' that provides a relatively cushioned landing to a clay target that is dropped onto the loading receptacle 60. This reduces the likelihood of a clay target breaking on impact, which is beneficial since a high number of broken clay targets is wasteful and can lead to blockages.
  • the resilience of the loading receptacle 60 could be provided by other configurations, for example the base 62 could be sprung loaded or be formed of or carry a resilient/shock absorbing material such as dense foam or rubber, the hinged base 62 provide a simple and elegant solution to the problem of breaking clays.
  • the loading receptacle 60 also includes two cut-outs 74 defined towards the rear end which extend from the base 62 to the raised wall 64.
  • the two cut-outs 74 define an inclined tongue 76 between them that is integral with the base 62 and extends at an oblique angle therefrom so as to join to the raised wall 64.
  • the tongue 76 serves to impart a lateral force to a clay target as one is dropped onto the base 62 since the edge of the clay target will contact the tongue 76 before contacting the base 62 which will incline the clay target and "push" it towards the open end of the base 62. This action moves the clay target away from the axis of rotation of the throwing arm 32 thus ensuring that centrifugal force acts on the clay target to launch it from the arm.
  • the base 62 may be provided with a low resistance coating, for example of Teflon (trade mark) or a graphite-based paint so that a clay target will slide over the base more easily.
  • a low resistance coating for example of Teflon (trade mark) or a graphite-based paint so that a clay target will slide over the base more easily.
  • the base 62 is substantially flat and lies in the same plane as the throwing arm, the base 62 may also be inclined slightly relative to the plane of the throwing arm to help a clay slide off the tray and along the throwing arm.
  • the cut-outs 74 provide a means for any fragments to be flung away from the loading area thus guarding against the possibility of fragments travelling along the throwing arm 32 potentially blocking the passage of a subsequently loaded clay target.
  • the loading receptacle 60 can therefore be considered to be self-cleaning by virtue of the holes defined by the cut-outs 74.
  • loading tray be a separate component that is attachable to the throwing arm and that the main functional features of the loading tray could be incorporated into other tray-like structures.
  • the flange 68 allows the loading tray 60 to be mounted to a part of the throwing arm, it should be noted that the feature of the resilient inclined base 62 could be made as integral components to a suitable throwing arm, as could the semi-circular end wall 64 and the cleaning holes 74.
  • loading receptacle has particular utility in the launching device described herein, it is also applicable to conventional traps such as those using a spring-loaded reciprocating arm.
  • the operating portion 44 of the throwing arm 32 includes a lower plate 80 along which a clay target 81 rides as it is launched from the throwing arm 32, and an guide rail or runner 82 which provides an upright surface that bears on a corresponding upright surface of the clay target 81.
  • the guide rail defines one or more openings to allow debris to be cleared from the arm automatically, in use.
  • a cover plate 84 is attached to the lower plate 80 as by bolts 86 along both its leading edge 88 and its trailing edge, namely the guide rail 82, and encloses substantially the entire length of the lower plate 80 in this particular embodiment.
  • the cover plate 84 includes a plurality of apertures 90 (four of which are shown in Figure 3) which serve to reduce the weight of the throwing arm 32, as well as to provide access to the internal volume of said arm. Alternatively, a single aperture may be provided running generally along the length of the throwing arm 32.
  • a purpose of the cover plate 84 is to reduce the airflow over a clay target during launch so as to disrupt its aerodynamic properties, as a result of which the clay target is discouraged from lifting off of the lower plate 80 as it gathers speed along the throwing arm 32. This helps to ensure that the clay target is launched substantially co-planar with the lower plate
  • the cover plate 84 also prevents the clay target lifting of the lower plate by providing a physical barrier to vertical movement of the target.
  • the plate is shown running the length of the arm, it should be appreciated that this is not essential and the plate may instead extend a along a lesser portion of the arm, so long as the aerodynamic properties of the clay target are still disrupted sufficiently to prevent it lifting whilst on the arm.
  • an escapement means or mechanism 90 is provided, which is shown generally in Figure 3, and in more detail and in various operating positions, in Figures 4 to 7.
  • the escapement mechanism 90 includes a cam release assembly 92 that is mountable to the throwing arm 32 by way of a mounting plate 94 as by the illustrated bolt holes 96 shown in Figure 4, and includes a downwardly depending pivot pin 98 that extends through a hexagonal boss 100 that is coupled to one end of the mounting plate 94 as by welding.
  • the cam release assembly 92 includes a generally semi-circular cam member 102 having a rounded cam surface 104 which blends into a weighted projection 106, the purpose of which will become clear in the foregoing description.
  • a planar flange 108 extends from the boss 100 at an angle to the mounting plate 94 and provides a mounting point at a pivot bolt 1 10 for a catch member or 'plate' 1 12 that is biased into engagement with the cam surface 104 by way of a spring 114.
  • the catch plate 1 12 includes a dog 112a arranged to abut a stop notch 1 16 defined by the cam surface 104 by which means anti-clockwise angular movement of the cam member 102 is limited.
  • the catch plate 1 12 is engageable with trigger means 118 (shown in Figure 3) that is mounted to the support platform 18 and so remains stationary relative to the throwing arm 32.
  • the trigger means 118 comprises a rotatable trigger wheel attached via a mounting tab 120 to an arcuate positioning plate 122 which, in turn, is mounted to the support platform 18 between the beam 120 and the control arm 30.
  • the positioning plate 122 includes a plurality of elongage apertures 124 which enable the angular position of the trigger wheel 118 to be altered by mounting the tab 120 to a different one of the apertures.
  • a clay target obstructing means in the form of an elongated rod 130 is mounted to the cam so as to project into the throwing arm 32. More specifically, the rod 132 is received by a bore 132 defined in a mounting block 134 which is carried on an upper surface of the cam member 102 and secured thereto as by welding/brazing.
  • a portion of the rod 130 is secured in the bore 132 by fixing screw 131 that extends through the mounting block 134 to impinge on the rod 130, whilst a free end of the rod 130 is arranged to project through an aperture in the side of the throwing arm 32 into its internal volume and is operable between three positions, in use, to arrest movement of a clay target within the throwing arm or to release a clay target from the throwing arm as will now be described in detail with reference to Figures 5, 6 and 7.
  • Other means of mounting the rod relative to the arm would be apparent to the skilled person.
  • the cam assembly 90 is shown in a position in which there is no clay target in the throwing arm 32 and so the cam assembly adopts an "unloaded" position in which the cam member 102 is at maximum angular position in the clockwise direction, having the mounting plate 94 as a frame of reference. It should be noted that the cam assembly is shown bolted to the throwing arm 32, a portion of which is shown ghosted for clarity.
  • the cam member 102 is urged into the aforesaid position by two principal forces acting on it: firstly, a force due to a biasing spring 136 and, secondly, the centrifugal force exerted on the weighted projection 106 as the throwing arm 32 is spinning. It should be noted that in Figure
  • the cam member 102 is shown in its maximum clockwise position which is determined by a portion of the planar flange 108 that is shaped to cooperate with a raised portion of the cam surface 104 thus limiting further clockwise movement.
  • the cam member 102 may be provided with a stub or lobe located towards the projection 106 against which the flange 108 may abut to define the maximum limit of clockwise rotation of the cam member 102.
  • the rod 130 is a suitable plastics material, such as PTFE or Nylon ® , having sufficient strength and rigidity to hold the clay target in place, whilst having a degree of resilience so that it 'gives' on impact to guard against undesirable breakage of the clay target at this point.
  • Figure 6 shows the cam assembly 90 in this first or 'loaded' operating position, in which circumstances the cam assembly is ready to be triggered to release the clay target (partly shown as 140) from the throwing arm 32.
  • the cam surface 104 has a region 137 of reducing radius as it approaches the stop notch 116 which causes the catch plate 112 to move angularly around its mounting pivot bolt as it rides over the cam surface 104.
  • the end of the catch plate 112 remote from the cam surface 104 therefore swivels outwardly into a position having a radius from the axis of the throwing arm 32 substantially the same as the radial position of the trigger wheel 118.
  • the cam surface 104 is provided with a further stop notch set a predetermined distance along the cam surface 104 in the direction of the projection 106; a suitable distance between the stop notches is between approximately 5mm to 10mm, and preferably about 6mm to 8mm.
  • the effect of this modification is to provide a two-stage release of the clay; in other words, with the clay target in the loaded position, the throwing arm 32 must revolve twice in order for the clay target to be launched. This enables the clay target to 'bed in' to the loaded position for a longer period ensuring greater accuracy in the launch trajectory and better shot-to-shot consistency.
  • a further benefit is that the impact force between the clay target and the rod 132 is lessened since the clay target first comes into contact with the rod 132 at a position closer to the axis of the throwing arm 132 so the clay is moving more slowly at the point of impact thus reducing the risk of breakage.
  • the launching device Although several components of the launching device are described as being made from tubular or box-section steel, for example the lateral beam 20, the attitude control arm 30, the hub 12, and others, it should be appreciated that this need not be the case and other materials and, moreover, shapes are appropriate.
  • the main objective of the aforesaid components is to provide a supportive platform to which the rotating throwing arm may be mounted and to enable it to be aimed by an operator.
  • the escapement mechanism includes wire springs to bias the catch plate and the cam member, these should not be considered to limit the scope of the invention as defined by the claims and it should be appreciated that forms of springs other than those shown in the drawings are considered equally appropriate.
  • the cam member may instead be biased by a coil spring housed internally within the hexagonal boss.
  • the drive arrangement has been described above as comprising an electric motor that drives the pulley wheel 38, it should be noted that this particular configuration is not essential and that other drive arrangements would be apparent to the skilled person.
  • the drive arrangement could comprise a DC motor which drives the central shaft of the throwing arm directly, the motor including an electronic speed controller to provide a range of rotation speeds for the throwing arm.
  • the trigger wheel 118 is attached to the positioning plate by bolts.
  • the positioning plate could be replaced with an electronically controlled moveable rack system which is operable to vary the angular position of the trigger wheel, resulting in a variable release point for the clay target.
  • the trigger wheel may instead by a wedge or something similar that achieves the same effect as a wheel.
  • a storage carousel for clay targets may be mounted to the device so as store several hundred clay targets and to provide an automatic loading function.
  • the radial position of the trigger wheel may be linked to the rotation of the carousel so that as a clay target is dropped out of the carousel, the trigger wheel is held out of position by a cam. Once the carousel beings to turn, the trigger wheel would move into the correct radial position for engagement with the escapement mechanism thus allowing a clay target to be launched.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)
  • Specific Conveyance Elements (AREA)

Abstract

L'invention porte sur un dispositif de lancement pour une cible en argile, lequel dispositif comprend un bras de lancement supporté de façon à être rotatif en continu autour d'un axe, et comprenant des moyens pour charger une cible en argile sensiblement audit axe, le bras de lancement comprenant un mécanisme d'échappement apte à fonctionner entre une première position dans laquelle une cible en argile est empêchée d'être lancée à partir du bras de lancement et une seconde position dans laquelle une cible en argile peut être lancée à partir du bras de lancement. Des moyens de chargement peuvent être disposés, lesquels comprennent un réceptacle de chargement élastique disposé sensiblement à l'axe pour communiquer un amortissement à une cible en argile lorsqu'elle est chargée. De plus, le bras de lancement peut comprendre une partie de base pour supporter une cible en argile et un couvercle supérieur espacé de la partie de base et apte à perturber l'écoulement d'air sur la cible en argile.
EP10787157.6A 2009-06-25 2010-06-15 Dispositif de lancement pour cibles en argile Active EP2446217B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0911043A GB2471321A (en) 2009-06-25 2009-06-25 Launching device for clay targets
PCT/GB2010/050995 WO2010149993A2 (fr) 2009-06-25 2010-06-15 Dispositif de lancement pour cibles en argile

Publications (2)

Publication Number Publication Date
EP2446217A2 true EP2446217A2 (fr) 2012-05-02
EP2446217B1 EP2446217B1 (fr) 2013-05-29

Family

ID=41008277

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10787157.6A Active EP2446217B1 (fr) 2009-06-25 2010-06-15 Dispositif de lancement pour cibles en argile

Country Status (4)

Country Link
US (1) US20120138034A1 (fr)
EP (1) EP2446217B1 (fr)
GB (1) GB2471321A (fr)
WO (1) WO2010149993A2 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2959805A1 (fr) * 2010-05-05 2011-11-11 Laporte Holding Machine pour le lancement de cibles a surfaces de contact optimisees
FR2959806B1 (fr) * 2010-05-05 2015-01-09 Laporte Holding Appareil pour le lancement de cibles
FR2959807B1 (fr) * 2010-05-05 2013-05-24 Laporte Holding Appareil pour le lancement de cibles
US8919331B2 (en) * 2011-11-29 2014-12-30 Casey Clarence Rennert Portable and adjustable clay target launching apparatus
US9389050B1 (en) * 2012-07-19 2016-07-12 Xiao Ming Chen Target throwing device
US20150204638A1 (en) * 2013-10-15 2015-07-23 John Richard Frazier Remotely manually controlled multi-axis skeet target throwing system
US9687750B2 (en) * 2014-10-06 2017-06-27 Mattel, Inc. Pivoting disc launching toy
FR3066813B1 (fr) * 2017-05-24 2021-09-17 Laporte Holding Machine de lancement de cibles a orientation variable
WO2019241719A1 (fr) * 2018-06-14 2019-12-19 Francez Stephen Edward Équipement de lancement de cible volante
FR3095856B1 (fr) * 2019-05-10 2021-05-21 Laporte Holding Machine de lancement de cibles
DK180391B1 (en) * 2019-06-19 2021-03-11 Gyroskeet Ivs Sports shooting target and corresponding launching apparatus
US11920908B2 (en) * 2020-05-29 2024-03-05 Ferus Outdoors LLC Clay target throwers and related methods
US11137233B1 (en) * 2021-03-12 2021-10-05 Cheh-Kang Liu Slide plate target-drop hole changing structure for auto target throwing trap
US11885599B2 (en) 2022-01-11 2024-01-30 Aob Products Company Shooting target thrower

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Publication number Priority date Publication date Assignee Title
US2711726A (en) * 1952-05-10 1955-06-28 George H Darrell Target throwing machine
US3108582A (en) * 1960-03-24 1963-10-29 George H Darrell Target throwing trap
US3603301A (en) * 1969-04-01 1971-09-07 George H Darrell Target trap
FR2209449A5 (fr) * 1972-12-04 1974-06-28 Laporte Sa
US4146008A (en) * 1977-07-21 1979-03-27 Remington Arms Company, Inc. Target positioner for skeet trap
US4747390A (en) * 1986-02-24 1988-05-31 Nelson Storm Target projector

Non-Patent Citations (1)

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Title
See references of WO2010149993A2 *

Also Published As

Publication number Publication date
WO2010149993A2 (fr) 2010-12-29
US20120138034A1 (en) 2012-06-07
EP2446217B1 (fr) 2013-05-29
WO2010149993A3 (fr) 2011-04-28
GB0911043D0 (en) 2009-08-12
GB2471321A (en) 2010-12-29

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