EP3818327A1 - Machine de lancement de cibles avec barillet rotatif - Google Patents
Machine de lancement de cibles avec barillet rotatifInfo
- Publication number
- EP3818327A1 EP3818327A1 EP19733048.3A EP19733048A EP3818327A1 EP 3818327 A1 EP3818327 A1 EP 3818327A1 EP 19733048 A EP19733048 A EP 19733048A EP 3818327 A1 EP3818327 A1 EP 3818327A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- barrel
- rotation
- arm
- axis
- machine according
- 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- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
- F41J9/00—Moving targets, i.e. moving when fired at
- F41J9/16—Clay-pigeon targets; Clay-disc targets
- F41J9/18—Traps or throwing-apparatus therefor
- F41J9/20—Traps or throwing-apparatus therefor with spring-operated throwing arm
- F41J9/24—Traps or throwing-apparatus therefor with spring-operated throwing arm cocked by electromechanical means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
- F41J9/00—Moving targets, i.e. moving when fired at
- F41J9/16—Clay-pigeon targets; Clay-disc targets
- F41J9/18—Traps or throwing-apparatus therefor
- F41J9/30—Traps or throwing-apparatus therefor characterised by using a magazine of targets
Definitions
- the present invention relates in particular to a target launching machine and in particular to the storage of targets of such a machine.
- a preferred application relates to the shooting sport industry, and particularly the balltrap industry, in particular for the launching of clay pigeon type targets.
- Patent publication FR 3,016,208 A1 discloses a target launch machine integrating a chassis and a barrel rotatably mounted on the chassis.
- the barrel comprises on its periphery columns in which are stacked targets to launch.
- the capacity of the barrels varies according to the height and the number of columns.
- the barrel is driven in rotation about its axis by means of a drive mechanism itself driven by an electric motor.
- the target launch arm is driven in rotation about its axis by means of another drive mechanism which is also also driven by the electric motor.
- the barrel is a together, often bulky and fairly heavy, especially when it is loaded with targets and setting it in motion relative to the chassis is a technical difficulty.
- the invention makes it possible to solve all or part of the drawbacks of current techniques.
- One aspect of the invention relates in particular to a target launching machine comprising:
- a chassis on which a barrel is mounted movable in rotation along an axis of rotation, said barrel comprising a plurality of columns for storing targets in a stack,
- a launch arm mounted mobile in rotation along an axis of rotation according to a cycle and configured to project at least one target extracted from the barrel, the cycle comprising an arming phase of the launch arm by stressing, by a motorized assembly , of a member springing up to an angular position armed with the launching arm, a launching phase in which a relaxation of stress of the member springing from the angular position armed is configured to drive the arm in rotation while the at least one target is in contact with the launch arm, and a phase of returning to an angular position for rearming the launch arm.
- the axis of rotation of the barrel and the axis of rotation of the arm are combined.
- the barrel is centered relative to the launch system comprising the arm. While, until now, the barrel has been offset a lot laterally relative to the arm, the invention refocuses the operation of these two rotating parts. The balance of the machine is significantly improved.
- the machine comprises a barrel rotation drive system, said system being configured to produce a barrel rotation during the arming phase.
- Another aspect of the invention relates to a method, in particular of actuation in rotation of a barrel of a target launching machine.
- FIG. 1 shows a cutaway perspective view of a machine according to the invention, in one embodiment
- FIG. 2 is a schematic view of the angular movement of the launching arm during a rotation cycle
- FIG. 3a shows a top view of certain aspects of the machine according to the invention in one embodiment, and Figure 3b shows a top view revealing other aspects;
- Figure 5a and Figure 5b show a top view of the relative positions of certain components of the machine of the invention, in a first state of the launch arm corresponding to a first angular position thereof;
- Figures 6a and 6b, Figures 7a and 7b, Figures 8a and 8b, Figures 9a and 9b and Figures 10a and 10b show successive phases of operation of the barrel drive system, during rotational progression the launch arm;
- FIG. 11 shows a top view of some components of the invention while a target is being projected
- FIG. 12 is a cutaway perspective view of certain components of a launch arm machine and a rotary barrel according to the prior art.
- a drive system 22 for rotating the barrel 7 is configured to produce a rotation of the barrel 7 during the arming phase; advantageously, the drive system 22 comprises an element for converting between the first part and the second part, the element for conversion receiving the training effort and causing the second part to rotate;
- the first part comprises a thrust member 18 offset relative to the axis of rotation A.
- the thrust member 18 comprises a roller mounted to rotate on the launching arm 3;
- the second part comprises a toothed wheel 13;
- the conversion element comprises a pawl 14 configured to drive the toothed wheel 13 and a drive member 17 on which the pawl 14 is mounted, the drive member 17 comprising a surface of support 26 of the pushing member 18;
- the support surface 26 has a convex curvilinear profile
- the pawl 14 is rotatably mounted on the drive member 17;
- the drive member 17 is rotatably mounted relative to the support 2;
- the conversion element comprises a pawl return member 14 configured to keep the pawl 14 in abutment on the toothed wheel 13;
- the pawl 14 is rotatably mounted on the drive member 17 via a shaft 16, said shaft 16 passing through a lumen 15 configured to guide the shaft 16 and formed in the support 2;
- the axis of rotation of the barrel 7 is perpendicular to a plane comprising the support 2 and is placed in the center of the barrel 7.
- FIG. 12 shows a partial perspective view of a machine for launching targets of the clay pigeon type according to the state of the art.
- a machine has a chassis 1 on which is mounted a set of components allowing the driving of a launching arm 3 around an axis A1.
- One of these components is a motorization 6, typically a geared motor.
- the output of this motorization 6 firstly drives a drive finger D in a rotational movement during which the latter can approach a part corresponding to one end of a spring 5 which is then moved to a positioning position in traction.
- the launch arm 3 is integral with the spring system 5 so that, when a release of the spring is released, the latter violently rotates the launch arm, for the projection of a target in position on a launching plate 4.
- the machine has a barrel of which only a support part 2 forming its base is shown; the barrel body is rotatable about an axis A2.
- the motorization 6 is also used for the displacement in rotation of the barrel, by means of a set of transmissions comprising a system of connecting rods B, a shaft mounted in rotation around an axis A3 and a secondary connecting rod C. It will be noted the very substantial spacing between axes A1 and A2.
- FIG. 1 shows an exemplary embodiment of the present invention.
- a chassis 1 is still present to support the assembly.
- a tilt adjustment system is used.
- a motorization 6 typically a geared motor, comprising an electric motor and an output gear train;
- a launch arm 3 rotatably mounted by means of a shaft 23 around a geometric axis A;
- a spring member 5 working in particular in traction, to reach an armed position
- the system comprising the motorization has, in addition in the illustrated case, a chain transmission 24 cooperating with a toothed wheel itself driving in rotation a drive system 22 (here the connecting rod) configured to move one end of the spring member 5 to tension it; the spring member 5 is also configured to drive the rotation of the arm 3 via the shaft 23 during the launch phase; one can in particular use a freewheel system so that the launch arm is inactive during the arming phase of the spring and that it is active, in another direction of operation of the freewheel, during the launch.
- the machine has a metal frame.
- the arm 3 can have an organized mobility according to a cycle broken down in FIG. 2 and comprising a phase of preparation of the arm 3, otherwise called arming phase, during which the arm 3 is moved in rotation, by the motorization 6 at low speed up to a starting position, otherwise called armed angular position P 0 , this preparation phase also serving to accumulate energy in the spring 5.
- a launch phase is then executed by releasing the spring 5 generating a violent movement (with a kinetic energy V 0i revealing a strong acceleration) of the arm 3 driving the target 9.
- the arm is in a position of end of launching P- ⁇ and the target 9 escapes from the launching plate 4 for to be projected.
- the arm 3 continues its movement until it stops in a position P 2 corresponding to a start for rearming. Between Pi and P 2 , the arm progressively decelerates, corresponding to the kinetic phase marked V 12 .
- the launch arm 3 evolves along a circular path over 360 degrees.
- the end of the launching arm 3 is oriented in the direction substantially opposite to the direction of ejection of the target 9.
- the sudden relaxation of the spring member 5 makes the arm 3 accelerate, the target is projected, for example after a progression of approximately 140 degrees (for example, the average speed of the arm at the ejection of the target is then 500 rpm); at 180 degrees for example, the spring member 5 comes to the end of its relaxation but, carried away by its inertia, the arm will continue its progression until, for example, about 270 degrees and will freeze its position using an anti-wheel -return.
- the arm will freeze its position a little earlier, especially before 270 degrees. If the cycle is carried out without a target, the arm will freeze its position a little later, especially beyond 270 degrees.
- the arm will move at engine speed (for example 20 rpm, however, a speed between 5 rpm and 50 rpm can also be used as an indication) until the armed position.
- engine speed for example 20 rpm, however, a speed between 5 rpm and 50 rpm can also be used as an indication
- One aspect of the invention is to take advantage of the decomposition of this cycle to cause the barrel 7 to rotate (advantageously, this rotation of the barrel takes place along the same axis as that of the rotation of the launch arm 3, but the barrel drive system 7 could be used separately from the single axis feature).
- this rotation of the barrel takes place along the same axis as that of the rotation of the launch arm 3, but the barrel drive system 7 could be used separately from the single axis feature).
- the arming phase during which the launch arm moves at a speed controlled by the motorization, advantageously constant speed.
- the barrel 7 and an embodiment for its rotary drive are described below in more detail.
- the launching arm 3 overcomes a launching plate 4 (receiving at least one target 9 intended to be projected).
- the target in question comes from the barrel 7 surmounting the launching plate 4 and the launching arm 3 and comprising a plurality of columns 8.
- the barrel 7 is rotatably mounted around the axis A.
- the axis of rotation A of the barrel 7 is placed in the center of said barrel 7.
- the barrel 7 comprises a plurality of columns 8 for storing targets.
- the targets are stored by stacking inside said storage columns 8.
- the plurality of target storage columns 8 form a crown concentric with the axis of rotation A.
- the crown makes it possible to define an interior volume of the barrel 7.
- the storage columns 8 each comprise a periphery defining a volume inside which the targets will be positioned.
- a central axis of storage column 8 is present.
- said central axis of storage column 8 corresponds to the axis of symmetry of the storage column 8.
- This preferred configuration makes it possible to have a central axis of storage column 8 perfectly centered in the middle of the volume defined by the edges of the storage column 8.
- the volume accommodating the targets is symmetrical about the central axis of storage column 8.
- this axis is parallel to the axis of rotation A.
- the periphery of the storage columns 8 is not complete.
- this periphery is defined by a plurality of rods which laterally delimit the columns 8.
- the part of the missing periphery is the part turned towards the outside of the barrel 7. That is to say -to say the part of the periphery furthest from the axis of rotation of the barrel 7.
- the storage columns 8 have a complete periphery.
- the number of storage columns 8 present in the barrel 7 depends on the diameter of said barrel 7 and on the size of the targets.
- the number of storage columns is eight. However, this number of storage columns 8 is not limiting.
- all the storage columns 8 of the same barrel 7 have the same diameter.
- the barrel 7 operates successive rotations configured to deliver the targets (one per column) from all the columns.
- a rotation in several stages, of 360 °, corresponds to a complete cycle.
- the angular displacement of the barrel at each of its rotations is preferably identical to the previous rotation.
- the barrel 7 is mounted above a support 2 fixed relative to the chassis and surmounting the launching plate 4 and the launching arm 3.
- FIG. 3a in particular shows the plate 2 and a base 12 of the rotating barrel 7 relative to the plate 2.
- the plate 2 carried by the frame 1 advantageously comprises at least one hole 10.
- the hole 10 is positioned in order to allow movement of a target from a storage column 8 towards the launching plate 4, at the level of a reception zone 11 of the plate 4 presented in particular in FIG. 3b.
- the targets are brought one by one to the launching plate, in order to supply the launching arm 3 with a single target.
- the launching arm 3 is supplied, for each launch, with at least two targets from the barrel7.
- the rotation of the launching arm advantageously allows the target present on the launching plate 4 to converge on a support element applicable on the edge of the target with a view to ejecting said target under good guidance conditions.
- One aspect of the invention is to provide an advantageous barrel drive 7.
- a preferred option of the invention is to produce the rotation of the barrel 7 by the application of a force on the latter (preferably in the form of a torque) applied by the arm 3, preferably via an intermediate assembly, allowing power transmission.
- a force produced by the arm 3 is used during the arming phase of the latter.
- FIG. 3a illustrates a part of the system for driving in rotation the barrel 7, this part being integral in rotation with this barrel 7.
- Another part of the drive system is integral with the rotational movement of the arm 3, and is for example at least partially formed by the thrust member 18 visible in FIG. 3b.
- the member 18 is optionally disposed at a distance from the axis A.
- the member 18 is a roller mounted to rotate on the arm 3, the axis of rotation of the roller preferably being parallel to axis A. It is understood that the angular movement of the arm 3 will modify the position of the thrust member 18.
- the drive system further comprises, in the case shown, a conversion element making it possible to convert a pushing force of the member 18 (or more generally of the first part of the drive system mounted on the arm 3) into a barrel rotation drive force (via the second part of the drive system, mounted on the barrel 7).
- the conversion element may include a ratchet system.
- Figure 3a shows a pawl 14 configured to mesh with the toothed wheel 13.
- This pawl 14 is itself mounted, preferably by a pivot at an axis 16 identified in FIG. 3b on a pawl drive member 17; the member 17 is preferably pivotally mounted relative to the rest of the machine, for example by a pivot on the support 2.
- the thrust member 18 is applied to a bearing surface 26 of the member 17 so as to move the member 17 in rotation by a push induced by the arm 3. It is understood that the combined rotational movement of the member 17 and the pawl 14 will make it possible to move the toothed wheel 13 in rotation in a direction of movement of the pawl 14.
- the profile of the toothed wheel 13 is of course configured to allow this drive.
- Figures 4a and 4b show other details of the barrel drive system 7.
- they have a spring 19 serving as a means for returning the pawl 14 to an application position on the periphery of the toothed wheel 13.
- the pawl 14 is applied, by a projecting portion, in a tooth 21 of the toothed wheel 13.
- the toothed wheel 13 and the pawl 14 are configured not to transmit power between them.
- the toothed wheel 13 can for example be screwed through the underside of the base 12 of the barrel 7.
- it surmounts the support 2 provided with the hole 10, as shown in FIG. 4b.
- the support 2 advantageously includes a light 15, having for example an oblong shape, configured to guide the movement of the axis (physically a shaft) of the pivot of the pawl 14 relative to the member 17.
- a pivot point 25 of the member 17 on the support 2 is also presented.
- the profile of the bearing surface 26 of the member 17 is curvilinear, and particularly concave curvilinear.
- the cooperation of the member 18 and the member 17 is preferably configured to bring the member 18 closer to the pivot point 25.
- FIGS. 5a to 10b show successive phases of cooperation of the parts of the barrel drive system 7.
- the launching arm 3 is situated at the level of the position P 2 for the start of rearming. Upstream of this position and advantageously at the start of the resetting phase, the barrel drive system 7 is configured so as not to impose any force at this last point, this is revealed in FIG. 5a by the fact that the pawl 14 and the toothed wheel 13 do not mesh. However, in this position P 2 , the thrust member 18 comes to tangent the member 17 as shown in FIG. 5b. Contact takes place gradually and at engine speed. The internal curved shape of the member 17 interferes with the member 18, which causes its rotation about the axis 25. The pawl 14 linked to the member 17 moves until it comes into contact with a tooth 21 of the toothed wheel 13. Figures 6a and 6b show this docking.
- the movement of the launching arm 3 causes the rotation of the base of the barrel 7 until the storage column 8 corresponding to the target 9 to be delivered is positioned above the drop hole 10. A target 9 is then deposited on the receiving zone 11 of the launching plate 4. This progressive rotation corresponds to FIGS. 7a to 9b.
- the motorization 6 also ensures the rearming of the spring member 5.
- FIG. 11 is inscribed during this phase.
- the barrel 7 containing eight columns, 45 degrees is sufficient for loading the targets which implies that an oscillation of the pawl over 65 degrees ensures their perfect delivery.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Transmission Devices (AREA)
- Toys (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1856220A FR3083598B1 (fr) | 2018-07-06 | 2018-07-06 | Machine de lancement de cibles avec barillet rotatif |
PCT/EP2019/067286 WO2020007725A1 (fr) | 2018-07-06 | 2019-06-28 | Machine de lancement de cibles avec barillet rotatif |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3818327A1 true EP3818327A1 (fr) | 2021-05-12 |
Family
ID=63722582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19733048.3A Withdrawn EP3818327A1 (fr) | 2018-07-06 | 2019-06-28 | Machine de lancement de cibles avec barillet rotatif |
Country Status (4)
Country | Link |
---|---|
US (1) | US20210381810A1 (fr) |
EP (1) | EP3818327A1 (fr) |
FR (1) | FR3083598B1 (fr) |
WO (1) | WO2020007725A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3095856B1 (fr) * | 2019-05-10 | 2021-05-21 | Laporte Holding | Machine de lancement de cibles |
FR3100879B1 (fr) * | 2019-09-17 | 2022-04-15 | Laporte Holding | Dispositif de lancement de cibles |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2996058A (en) * | 1958-02-03 | 1961-08-15 | Remington Arms Co Inc | Magazine target trap |
FR2419500A1 (fr) * | 1978-03-06 | 1979-10-05 | Armunits Prod | Chargeur du type a tourelle pour appareil de lancement de cibles artificielles |
WO1987001191A1 (fr) * | 1985-08-15 | 1987-02-26 | Brian Alexander Heffer | Magasin pour cibles |
FR3016208B1 (fr) * | 2014-01-08 | 2016-02-05 | Laporte Holding | Dispositif de lancement de cibles pour le tir sportif a depart instantane avec moyens de blocage actifs sur l'arbre de rotation du bras de lancement |
-
2018
- 2018-07-06 FR FR1856220A patent/FR3083598B1/fr active Active
-
2019
- 2019-06-28 EP EP19733048.3A patent/EP3818327A1/fr not_active Withdrawn
- 2019-06-28 WO PCT/EP2019/067286 patent/WO2020007725A1/fr unknown
- 2019-06-28 US US17/257,478 patent/US20210381810A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20210381810A1 (en) | 2021-12-09 |
FR3083598B1 (fr) | 2022-03-18 |
WO2020007725A1 (fr) | 2020-01-09 |
FR3083598A1 (fr) | 2020-01-10 |
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