AU2013216690B2 - Impingement Device - Google Patents

Abstract

This invention provides an impingement device for a crush, the device comprising at least a first flank impinger mountable relative to the crush and movable relative to a first upstanding side of the crush between an animal-restraining position and an animal-release position, wherein in the restraining position the flank impinger is moved towards the first side and capable of selectively impinging on a flank of an animal to restrain the animal between said flank impinger and said first side, and wherein in the release position the flank impinger is moved away from the first side and does not restrain the animal. This invention also provides an impingement device comprising at least a first flank impinger and a second flank impinger mountable relative to the crush, crushes comprising at least one flank impinger, methods of restraining an animal using the impingement device or the crush, and to methods of converting a crush for use with a flank impinger.

Description

ι 2013216690 16 Aug 2013

Impingement Device

TECHNICAL FIELD

[0001] The present invention relates to an impingement device for restraining animals, especially cattle. The present invention also relates, inter alia, to an animal crush, especially a cattle crush, comprising the impingement device and to methods of restraining animals using the impingement device.

BACKGROUND

[0002] It will be clearly understood that, if a prior art publication is referred to herein, this reference does not constitute an admission that the publication forms part of the common general knowledge in the art in Australia or in any other country.

[0003] Animals, and especially livestock, often need to be restrained so that an animal handler or a veterinarian can perform veterinary or animal husbandry procedures, such as castration, ear tagging and insertion of electronic management devices.

[0004] One way in which animals may be restrained is for one or more assistants to physically hold the animal down when performing such procedures. However, this can be difficult and also dangerous, especially when restraining larger animals.

[0005] Another way to restrain animals is to herd the animals into a confined space, such as a race or alley. However, in this method the animal is not fully restrained and thus this is not practical for larger animals such as cattle.

[0006] A further way to restrain animals is to use a crush. In a cattle crush, for example, the neck of the animal may be restrained in a headbail. To fully immobilise the animal, the sides of the crush may press together to hold the animal in place, and this may be achieved, for example, using a squeeze crush. Each side of the squeeze crush may have an upper and a lower door to allow a handler or a veterinarian to access the side of the animal. If the upper door is opened, then the pressure from the lower door must be sufficient to restrain the animal. Similarly, if the lower door is opened, then the pressure from the upper door must be sufficient to restrain the animal. Such arrangements mean that a handler or veterinarian has limited access to the side of the animal at any point in time.

[0007] In one aspect, an object of the present invention to overcome one or more of the 2 2013216690 16 Aug 2013 above disadvantages. In another aspect, an object of the present invention is to allow an animal handler or a veterinarian to safely access a greater portion of an animal at a single point in time when performing veterinary or animal husbandry procedures.

SUMMARY OF INVENTION

[0008] In a first aspect, the present invention provides an impingement device for a crush, the device comprising at least a first flank impinger mountable relative to the crush and movable relative to a first upstanding side of the crush between an animal-restraining position and an animal-release position, wherein in the restraining position the flank impinger is moved towards the first side and capable of selectively impinging on a flank of an animal to restrain the animal between said flank impinger and said first side, and wherein in the release position the flank impinger is moved away from the first side and does not restrain the animal.

[0009] Advantageously, the flank impinger is capable of selectively impinging on a flank of an animal. By “selectively impinging” is meant the impinger applies sustained pressure to an area on the flank of the animal. As used herein, the term “flank” refers to the side of an animal between the ribs and the hip. The impinger does not apply pressure to the entire side of the animal. Selectively impinging the flank of the animal can help to neutralize or render the animal’s rear leg temporarily inoperable or less prone to movement, by temporarily impinging the nerves around the leg muscle and/or by restricting the available mechanical movement of the rear leg due to the impingement device being located in front of the upper leg bone around the hip region, so as to impede the forward motion of the leg. When an animal is restrained between the flank impinger and the side of the crush, a handler or a veterinarian may advantageously be able to access a significant portion of the side and rear of the animal while it is in a restrained position. For example, if a first flank impinger is used with a squeeze crush, all side doors on one side of the crush may be opened to allow a handler or a veterinarian access to almost the entire rear and side of the animal. The flank impinger may allow the crush to be used with animals of any stature. In one embodiment, the flank impinger is capable of selectively impinging on a flank of an animal such that the impinger abuts the hip region.

[0010] As used herein, an animal that is “restrained” is an animal that is unable to move freely in a forwards or reverse direction, nor sideways, being sufficiently immobilized for a handler or a veterinarian to safely perform a veterinary or animal husbandry procedure.

[0011] In one embodiment, the animal is livestock, especially a bovine, porcine, ovine or equine, more especially a bovine. In another embodiment, the animal is a horse, sheep, pig, 3 2013216690 16 Aug 2013 cattle, deer, alpaca, llama, banteng, bison, camel, gayal, donkey, goat, mule, reindeer, buffalo, or yak; especially a sheep, cattle, deer, alpaca, llama, banteng, bison, gayal, goat, reindeer, buffalo, or yak; more especially cattle, banteng, gayal or yak; most especially cattle. In a further embodiment, the animal is of the genus Bos, especially cattle. The animal may be juvenile or mature, and therefore the animal may be, for example, a calf, weaner, cow (including heifer), bullock or bull.

[0012] The first flank impinger may be moved into an animal-restraining position in any suitable way. For example, the direction of movement of the impinger can be oblique to the animal, or the impinger may be moved in substantially a horizontal plane.

[0013] The first flank impinger may be of any suitable size, shape and construction, and may be made of any suitable material or materials. In one embodiment, the first flank impinger is made of plastic, fibreglass, metal, or metal alloys; more especially metal.

[0014] In some embodiments, the first flank impinger is a bar, tube, rod or suitably shaped material, and it may be of unitary construction or it may comprise separate connectable pieces. The first flank impinger may extend upwardly at any suitable angle, provided that it is capable of selectively impinging on a flank of an animal. In one embodiment, the first flank impinger is mountable substantially vertically relative to the crush, especially vertically relative to the crush, however it may also be mounted at a suitable angle so as to adequately impinge the hip region and also restrict the movement of the rear leg. In a further embodiment, the first flank impinger has a round cross section, especially approximately 40 to 80 mm in diameter, more especially approximately 60 mm in diameter.

[0015] The first flank impinger may be mountable to the crush in any suitable manner, and may be indirectly or directly mountable to the crush. In some embodiments, the first flank impinger may be mountable to a second upstanding side of the crush, especially by fasteners such as screws, bolts and rivets, or by welding. In these embodiments, the first and second upstanding sides of the crush may form a path or passageway through the crush for the animal.

[0016] Advantageously, the first flank impinger may be positioned and/or structured so that it does not cause the animal to baulk as it enters the crush. This can be a problem if the internal width of the crush is narrowed too much or too large a visual obstacle is created. The first flank impinger may also be positioned and/or structured to minimise bruising within the crush.

[0017] In one embodiment, the first flank impinger is positionable along the second upstanding side of the crush, and is especially positionable substantially parallel to the second 4 2013216690 16 Aug 2013 upstanding side of the crush. In this embodiment, the first flank impinger may be mountable relative to a second upstanding side of the crush. This embodiment is especially advantageous, as it allows animals of various lengths to be accommodated in the crush. When the first flank impinger is positionable along the second upstanding side of the crush, this permits the operator to correctly position the first flank impinger before sustained pressure is applied to the side of the animal to restrain it.

[0018] When the first flank impinger is positionable along the second upstanding side of the crush, the same crush may advantageously be used for mature animals such as bulls and cows, and for juvenile animals such as calves and weaners. As discussed above, each side of a squeeze crush may have an upper and a lower door, and if the lower door is opened the pressure from the upper door must be sufficient to restrain an animal. However, when a juvenile animal is in a squeeze crush the upper door may not apply pressure to the animal as it is too small. In this situation, neither the upper nor lower doors may be opened to examine or perform veterinary or animal husbandry procedures on the juvenile animal. In contrast, when the impingement device is used in this system, both the upper and lower doors on the side of the squeeze crush may be opened as the first flank impinger holds the juvenile animal against the opposite side. This arrangement advantageously avoids the use of a specialist crush for juvenile animals, such as a calf cradle or cage, or the use of ropes or lashes to restrain a juvenile animal in an adult-sized crush. This decreases expenses associated with managing stock, and also decreases the space required for yard design and installation.

[0019] In one embodiment, the impingement device comprises a first flank impinger and a positioning system for positioning the first flank impinger along a second upstanding side of the crush. The positioning system may be of any suitable size, shape and construction, and preferably the positioning system allows the first flank impinger to be easily and quickly moved in any suitable position along the second upstanding side of the crush, especially without detachment from the crush. The positioning system may comprise at least one positioning member for mounting the first flank impinger relative to the crush (especially for mounting the first flank impinger to the crush), wherein the first flank impinger is positionable transverse to the positioning member. In some embodiments, the positioning member is a bar, guide rail, or track. The first flank impinger may be releasably lockable to the positioning member using, for example, spring latch bolts, pins or other fasteners. The positioning system may also comprise a carrier for mounting the first flank impinger to the positioning member. In some embodiments, the carrier is a slide bearing, a holding plate, a ball screw, a rack and pinion or a roller, for moving along the positioning member (alternatively, the carrier could be an extension/end region 5 2013216690 16 Aug 2013 of the first flank impinger itself). The carrier may be releasably lockable to the positioning member for holding the first flank impinger in position. The carrier may be releasably lockable to the positioning member using, for example, spring latch bolts, pins or other fasteners.

[0020] As mentioned, the positioning system may comprise a positioning member or a positioning member and a carrier for mounting a first end of the first flank impinger to the crush. Alternatively, the positioning system may comprise a positioning member or a positioning member and a carrier for mounting a first end of the first flank impinger to the crush, and a positioning member or a positioning member and a carrier for mounting a second end of the first flank impinger to the crush. In a further embodiment, the positioning system comprises a positioning member or a positioning member and a carrier for mounting a first end of the first flank impinger to the crush, and a guide at a second end of the first flank impinger, wherein the guide is for holding the second end of first flank impinger to the crush. A guide may be, for example, an upturned end of the first flank impinger. Another exemplary guide is a u-shaped retainer, in which one end of the u is affixed to the end of the first flank impinger, and the channel formed by the u is for hooking around a rail/frame member of the crush.

[0021] In a first exemplary embodiment, the positioning system comprises a carrier mountable to a first end of the first flank impinger. In this embodiment, the carrier is mountable to a rail, which is mountable to the upper or lower region of a second upstanding side of the crush. The rail may have holes spaced along its length. The carrier may then comprise a male mating part which engages with the holes in the rail for releasably locking the carrier to the rail, thereby locking the flank impinger in position.

[0022] In a second exemplary embodiment, the positioning system comprises a first and a second carrier mountable to both a first and a second end of the first flank impinger. In this embodiment, the first and second carriers are mountable to a first and second rail, the first rail is mountable to the upper region of a second upstanding side of the crush and a second rail is mountable to the lower region of a second upstanding side of the crush. The carriers and rails in this second exemplary embodiment may be as described for the first exemplary embodiment above.

[0023] In a third exemplary embodiment, the positioning system is as described above in the first exemplary embodiment, and further comprises a guide engageable with a second end of the first flank impinger, wherein the guide is for holding the second end of first flank impinger to the crush. In this embodiment, the guide may be a u-shaped retainer, in which one end of the u is affixed to the second end of the first flank impinger, and the channel formed by the u is for 6 2013216690 16 Aug 2013 hooking around a rail/frame member of the crush. In one example, the positioning member is mountable relative to a first end of the first flank impinger, and wherein the positioning system further comprises a guide engageable with a second end of the first flank impinger, wherein the guide is for holding the second end of the first flank impinger to the crush.

[0024] The impingement device may further comprise a second flank impinger. The second flank impinger may be mountable relative to the first upstanding side of the crush. In various embodiments, the second flank impinger may be as described above for the first flank impinger. In particular, the impingement device may comprise a positioning system, as discussed above, for the second flank impinger. In one embodiment, the first and second flank impingers are positionable opposite each other in the crush.

[0025] In one embodiment, the second flank impinger is mountable to the first upstanding side of the crush and movable relative to the second upstanding side of the crush between an animal-restraining position and an animal-release position. In this embodiment, the first and the second flank impingers are moveable together between an animal-restraining position and an animal-release position, wherein in the restraining position the first and second flank impingers move towards each other and are each capable of selectively impinging on a flank of an animal and restraining the animal between the first and second flank impingers, and wherein in the release position the first and second flank impingers move away from each other and do not restrain the animal.

[0026] The impingement device may further comprise a squeeze mechanism for moving at least a first flank impinger relative to the first upstanding side of the crush. In one embodiment, the squeeze mechanism is for moving at least a first and a second flank impinger between an animal-restraining position and an animal-release position. The squeeze mechanism may be manually, hydraulically or pneumatically operated.

[0027] The squeeze mechanism may comprise a linkage system (optionally connected to a portion of the first and second upstanding walls), for moving the first or the first and second flank impingers between an animal-restraining position and an animal-release position. The linkage system may comprise a lever operatively connected to pivoting members of the linkage system, whereby the pivoting members pivot to move the first or the first and second flank impingers. In one embodiment, the linkage system further comprises linkage members to operatively connect the pivoting members. The linkage system may further comprise a biasing system, such as a pneumatic cylinder, for enabling movement of the first or the first and second flank impingers, or for returning the first or the first and second flank impingers to one of said 7 2013216690 16 Aug 2013 positions. The linkage system may further comprise a locking system for locking the first or the first and second flank impingers in the animal-restraining position.

[0028] However, if the impingement device is for fitting to a crush which already comprises a squeeze mechanism, such as a parallel squeeze crush in which a portion of two sides of the crush move together to restrain an animal, the impingement device may not include a squeeze mechanism. In this circumstance, the at least a first flank impinger may be mountable to one of the sides of the crush.

[0029] In some embodiments, the impingement device may be retrofitted to a crush, especially to a squeeze crush, more especially to a parallel squeeze crush. An example squeeze crush mechanism is described in Australian Patent No. 561299, the content of which is incorporated herein by reference. An example parallel squeeze crush is available from Clipex (http://www.elipex.com.aul, and is displayed in Figure 15. However, other squeeze crush mechanisms also may be used with the impingement device.

[0030] In a second aspect, the present invention provides an impingement device for a crush, the device comprising at least a first flank impinger mountable relative to the crush, and a second flank impinger mountable relative to the crush, wherein the first flank impinger is moveable relative to the second flank impinger between an animal-restraining position and an animal-release position, wherein in the restraining position the first flank impinger is moved towards the second flank impinger and both the first and second flank impingers are capable of selectively impinging on a flank of an animal to restrain the animal between the first and second flank impingers, and wherein in the release position the first flank impinger is moved away from the second flank impinger and does not restrain the animal.

[0031] In one embodiment, the first and second flank impingers are both moveable between an animal-restraining position and an animal-release position. In a further embodiment, the second flank impinger is mountable to a first upstanding side of the crush. The first flank impinger may be mountable to a second upstanding side of the crush. In another embodiment, the impingement device may include a squeeze mechanism for moving at least the first and second flank impingers between the animal-restraining position and the animal-release position.

[0032] In other embodiments, the features of the second aspect of the present invention may be as described for the first aspect of the present invention.

[0033] In a third aspect, the present invention provides a crush comprising at least one flank impinger, the crush comprising the impingement device according to the first or second aspect of 8 the present invention. 2013216690 16 Aug 2013 [0034] In a fourth aspect, the present invention provides a crush comprising a first upstanding side, a second upstanding side and an impingement device, the device comprising at least a first flank impinger mounted relative to the second upstanding side and movable relative to the first upstanding side between an animal-restraining position and an animal-release position, wherein in the restraining position the flank impinger is moved towards the first side and capable of selectively impinging on a flank of an animal to restrain the animal between said flank impinger and said first side, and wherein in the release position the flank impinger is moved away from the first side and does not restrain the animal. The impingement device in this aspect may be as discussed above for the first aspect of the present invention.

[0035] In a fifth aspect, the present invention provides a crush comprising a first upstanding side, a second upstanding side and an impingement device, the device comprising at least a first flank impinger mounted relative to the second upstanding side and a second flank impinger mounted relative to the first upstanding side, wherein the first flank impinger is movable relative to the second flank impinger between an animal-restraining position and an animal-release position, wherein in the restraining position the flank impinger is moved towards the second flank impinger, and the first and second flank impingers are capable of selectively impinging on a flank of an animal to restrain the animal between said first and second flank impingers, and wherein in the release position the first flank impinger is moved away from the second flank impinger and does not restrain the animal. The impingement device in this aspect may be as discussed above for the second aspect of the present invention.

[0036] As used herein, the term “crush” refers to any suitable type of structure for herding or containing an animal so that the animal’s movement is limited, allowing a handler or veterinarian to examine or perform veterinary or animal husbandry procedures on the animal. Other names for a crush may include a stall, containment pen or cage. In one embodiment, the crush may have one or more movable sides, such as in a squeeze crush, to further restrict movement of an animal. The crush may especially be a squeeze crush, more especially a parallel squeeze crush. In one embodiment, the crush is a cattle crush. The crush may have features as described for the first or second aspects of the present invention.

[0037] The crush may comprise a first and a second upstanding side, which define a passageway for an animal. The crush has a first end, through which the animal may enter the crush. In one embodiment, the animal enters and exits the crush through the first end. Alternatively, and preferably, the crush has a second end and a first end, and the animal enters 9 the crush through the first end, and exits the crush through the second end. 2013216690 16 Aug 2013 [0038] The crush may comprise animal restraints. For example, the crush may comprise a headbail mounted to either the first or the second end, especially to the second end, for restraining the head of the animal. The headbail may also be fitted with a baulk gate. Another animal restraint that may be present in the crush is a gate mounted to the first or the second end, especially the first end. The gate is moveable from an open position for allowing an animal to pass, to a closed position for blocking movement of the animal. Other animal restraints, such as ropes, lashes or straps, may also be used in the crush. For example, a rope or lash may be used around the rear legs or legs of the animal, for additional safety and security.

[0039] In one embodiment, the first and/or the second upstanding side of the crush may comprise at least one door (access panel or hatch). The door may allow an animal to exit the crush, for example when drafting stock. The door may also allow a handler or a veterinarian to access a restrained animal. For example, the first and/or the second upstanding side of the crush may comprise two doors for accessing an animal, or the first and/or the second upstanding side of the crush may comprise an upper and a lower door for accessing the animal. Any door may open horizontally or vertically, especially horizontally. Furthermore, where there are two or more doors, especially two doors, on the first and/or the second upstanding side of the crush, the doors may be locked together (for example via a locking member) or independently operated.

The doors may comprise latches which engage with the crush framework.

[0040] In one embodiment, the crush may be a squeeze crush. In this embodiment, a portion of the first and/or second upstanding side of the crush may be moveable from a closed position, in which an animal may be restrained between the sides of the crush, and an open position, in which an animal is not restrained. Preferably, a portion of both the first and the second upstanding side of the crush is moveable between an open and a closed position (as in a parallel squeeze crush). In this embodiment, the first flank impinger may be mounted to (directly or indirectly), and move with, a portion of the second upstanding side of the crush. The second flank impinger may also be mounted to (directly or indirectly), and move with, a portion of the first upstanding side of the crush. In this embodiment, the first and/or the second upstanding side of the crush may comprise at least one door (access panel or hatch), and the at least one door is moveable from an open position to a closed position. In this way, when the animal is restrained within the crush, one or more of the at least one side doors may be opened to access the animal.

[0041] In another embodiment, the first and the second upstanding sides of the crush may ίο 2013216690 16 Aug 2013 not be moveable. In this embodiment, the first flank impinger or both the first and second flank impingers move independently of the sides of the crush.

[0042] If the crush is a squeeze crush, it includes a squeeze mechanism to move a portion of the first and/or second upstanding sides of the crush between a closed position and an open position. The squeeze mechanism may be manually or mechanically, hydraulically or pneumatically operated.

[0043] In one embodiment, one or more operations in the crush may be operated electronically. In this embodiment, the crush may comprise an operator interface for controlling the crush. For example, the operator interface may allow for remote operation of: at least one door in the first and/or second upstanding side of the crush; moving each impinger from an animal-restraining position to an animal-release position; the headbail; and/or the gate from an open position to a closed position. The interface may also record animal measurements, such as animal size and weight.

[0044] The crush may further comprise a floor. The floor may be made of any suitable material, such as metal, hardened rubber or the like. The floor may also be of any suitable construction, and may be solid or a mesh. In one embodiment, the crush comprises a scale for measuring the animal’s weight, especially in the floor of the crush. In this embodiment, the scale may communicate with an operator interface to record any measurements.

[0045] The crush may also comprise a roof. The roof may be made of any suitable material, such as sheet metal, corrugated iron or the like. In one embodiment, the roof of the crush may comprise solar panels. In this embodiment, the solar panels may be used to power, for example, an operator interface, scales, and/or any mechanical, hydraulic or pneumatic components.

[0046] The crush may be fixed in position or it may be transportable. The crush is especially transportable.

[0047] In a sixth aspect, the present invention provides a method of restraining an animal using the impingement device of the first or second aspects of the present invention, or the crush of any one of the third to fifth aspects of the present invention, the method comprising the steps of: (i) Positioning an animal between the first flank impinger and first upstanding side; and 11 (ii) Moving the flank impinger into the animal-restraining position. 2013216690 16 Aug 2013 [0048] In one embodiment, the step of positioning the animal between the first flank impinger and the first upstanding side comprises operating a positioning system to position the first flank impinger along the second upstanding side of the crush.

[0049] When the animal is restrained in the crush of any one of the third to fifth aspects of the present invention, the method may further comprise first allowing an animal to enter the crush. The method may also further comprise the step of inspecting or operating on a restrained animal, after the animal is in an animal-restraining position. In another embodiment, the method further comprises the step of moving the flank impinger into an animal-release position to release the animal. In a further embodiment, the method comprises the step of allowing the animal to exit the crush.

[0050] In a further embodiment, the step of positioning the animal may also comprise restraining the head of the animal in a headbail, prior to operating the positioning system.

[0051] In an exemplary embodiment of the sixth aspect, the method comprises: (i) Allowing an animal to enter the crush; (ii) Positioning the animal between the first flank impinger and first upstanding side, by restraining the head of the animal in a headbail and then operating a positioning system to position the first flank impinger along the second upstanding side of the crush; (iii) Moving the flank impinger into the animal-restraining position; (iv) Inspecting or operating on the restrained animal; (v) Moving the flank impinger into an animal-release position to release the animal, and releasing the head of the animal from the headbail; and (vi) Allowing the animal to exit the crush.

[0052] Other steps such as closing the gate of the crush behind the animal after it enters the crush may also form part of the method. The animal restrained in this aspect is as described above.

[0053] In a seventh aspect, the present invention provides a method of restraining an animal using the impingement device of the second aspect of the present invention, or a crush comprising the impingement device of the second aspect of the present invention, the method comprising the steps of: 12 2013216690 16 Aug 2013 (i) Positioning an animal between the first flank impinger and the second flank impinger; and (ii) Moving the first flank impinger towards the second flank impinger into the animal-restraining position.

[0054] In one embodiment, the step of positioning the animal between the first flank impinger and the second flank impinger comprises operating a positioning system to position the first flank impinger along the second upstanding side of the crush.

[0055] Features of the seventh aspect of the present invention may be as described for the sixth aspect of the present invention.

[0056] In an eighth aspect, the present invention provides a method of converting a crush for use with a first flank impinger, the method comprising the step of fitting the impingement device of the first or second aspects to a crush.

[0057] Advantageously, fitting the impingement device of the first or second aspects to a crush may allow the crush to be used with a greater range of animal sizes, including juvenile and mature animals.

[0058] In one embodiment, the step of fitting the impingement device to a crush comprises the steps of: fitting a positioning system to the crush, especially to the second upstanding side; and fitting the first flank impinger to the positioning system. In a further embodiment, the step of fitting the impingement device further comprises the steps of: fitting a second positioning system to the crush, especially to the first upstanding side; and fitting a second flank impinger to the second positioning system.

[0059] In other embodiments, this method further comprises the step of fitting a squeeze mechanism to the device so that the first and/or second flank impingers are moveable between an animal-restraining position and an animal-release position.

[0060] In a further embodiment, the first and/or second upstanding sides of the crush have at least one door for a handler or a veterinarian to access a restrained animal.

[0061] The inventors have developed an impingement device, especially for restraining livestock such as cattle. The device may be retrofitted to commercially available crushes, especially to commercially available squeeze crushes. 12a 2013216690 01 Aug 2017 [0061a] Definitions of specific embodiments of the invention as claimed herein follow.

[0061b] According to a first embodiment of the invention, there is provided a crush comprising: a first upstanding side, a second upstanding side; and an impingement device, the device comprising at least a first flank impinger and a first positioning system, wherein the first positioning system is configured to slideably position the first flank impinger along the second upstanding side; wherein the first flank impinger is movable relative to the first upstanding side between an animal-restraining position and an animal-release position, wherein in the animal-restraining position the first flank impinger is moved towards the first upstanding side and is capable of selectively impinging on a flank of an animal to restrain the animal between said first flank impinger and said first upstanding side, and wherein in the release position the first flank impinger is moved away from the first upstanding side and does not restrain the animal.

[0061c] According to a second embodiment of the invention, there is provided a method of restraining an animal using the crush of the first embodiment, the method comprising the steps of:

Positioning an animal between the first flank impinger and first upstanding side; and

Moving the first flank impinger into the animal-restraining position.

[006Id] According to a third embodiment of the invention, there is provided a method of fitting an impingement device to a crush, wherein the impingement device comprises at least a first flank impinger and a first positioning system; wherein the crush comprises a first upstanding side, and a second upstanding side; wherein the method comprising the steps of: fitting the first positioning system to the second upstanding side, and fitting the first flank impinger to the first positioning system, wherein the first positioning system is configured to slideably position the first flank impinger along the 2013216690 01 Aug 2017 12b second upstanding side; wherein when fitted, the first flank impinger is movable relative to the first upstanding side between an animal-restraining position and an animal-release position, wherein in the animalrestraining position the first flank impinger is moved towards the first upstanding side and is capable of selectively impinging on a flank of an animal to restrain the animal between said first flank impinger and said first upstanding side, and wherein in the release position the first flank impinger is moved away from the first upstanding side and does not restrain the animal.

[0061e] In the third embodiment, the impingement device fitted to the crush may be the crush of the first embodiment.

[Text continues on page 13] 13 2013216690 16 Aug 2013 [0062] In the present specification and claims, the word ‘comprising’ and its derivatives including ‘comprises’ and ‘comprise’ include each of the stated integers but does not exclude the inclusion of one or more further integers.

[0063] Reference throughout this specification to ‘one embodiment’ or ‘an embodiment’ means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearance of the phrases ‘in one embodiment’ or ‘in an embodiment’ in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more combinations.

[0064] Any of the features described herein can be combined in any combination with any one or more of the other features described herein within the scope of the invention.

BRIEF DESCRIPTION OF FIGURES

[0065] Examples of the invention will now be described by way of example with reference to the accompanying figures, in which: [0066] Figure 1 is a top view of an example animal crush, omitting the floor; [0067] Figure 2 is a side view of the example animal crush of Figure 1; [0068] Figure 3 is an expanded side view of the example animal crush of Figure 1; [0069] Figure 4 is an expanded side cross-sectional view of the example animal crush of

Figure 1, illustrating the position of the first flank impinger from inside the crush; [0070] Figure 5 is an expanded side view of the example animal crush of Figure 1; [0071] Figure 6 is an isometric view of the example animal crush of Figure 1; [0072] Figure 7 is an isometric view of the example animal crush of Figure 1; [0073] Figure 8 is a perspective view of the example animal crush of Figure 1; [0074] Figure 9 is a perspective view of a second example animal crush; [0075] Figure 10 is a perspective view of the second example animal crush of Figure 9; 14 [0076] Figure 11 is a perspective view of a third example animal crush; 2013216690 16 Aug 2013 [0077] Figure 12 is a front view of the third example animal crush of Figure 11, omitting the headbail; [0078] Figure 13 is a perspective view of the third example animal crush of Figure 11, omitting the headbail; [0079] Figure 14 is a front view of the third example animal crush of Figure 11; and [0080] Figure 15 is an exemplary parallel squeeze crush commercially available through

Clipex (http://www.clipex.com.au).

[0081] Preferred features, embodiments and variations of the invention may be discerned from the following Description which provides sufficient information for those skilled in the art to perform the invention. The following Description is not to be regarded as limiting the scope of the preceding Summary of the Invention in any way.

DESCRIPTION OF EMBODIMENTS

[0082] Example animal crushes and impingement devices will now be described with reference to Figures 1 to 14. In the figures, like reference numerals refer to like features.

[0083] Figures 1 to 8 illustrate a first example animal crush 1 comprising an impingement device 2. The crush 1 illustrated in Figures 1 to 8 is a parallel squeeze crush. The impingement device comprises a first flank impinger 4 mountable relative to the crush 1, and movable relative to a first upstanding side of the crush 6. The first flank impinger is movable between an animalrestraining position and an animal-release position. In the animal-restraining position the flank impinger 4 is moved towards the first side 6 and capable of selectively impinging on a flank of an animal to restrain the animal between the flank impinger 1 and the first side 6. In the animal-release position, the flank impinger 1 is moved away from the first side and does not restrain the animal.

[0084] The crush 1 of Figures 1 to 8 comprises a first side 6, a second side 8, a first end 28, a second end 30, and a floor 44. The animal enters the crush through the first end 28, and exits the crush through the second end 30. The crush 1 includes a restraint, headbail 32. The first side 6 of the crush 1 comprises an upper door 14 and a lower door 16 (see Figure 8). Similarly, the second side 8 of the crush 1 comprises an upper door 10 and a lower door 12. The crush 1 also comprises a squeeze mechanism 36 for moving at least a first flank impinger 4 relative to the 15 first side 6 of the crush. The squeeze mechanism includes lever 38. 2013216690 16 Aug 2013 [0085] When the squeeze mechanism 36 is activated, a portion of the first upstanding side 64 and a portion of the second upstanding side 62 are moveable between a closed position and an open position. The first flank impinger 4 is indirectly mounted to, and moves with, the portion of the second upstanding side of the crush 62.

[0086] In the example of Figures 1 to 8, the squeeze mechanism 36 comprises a linkage system 78. The linkage system 78 comprises a lever 38 operatively connected to pivoting members 70, 72, 74 and 76 of the linkage system 78, whereby pivoting members 70, 72, 74 and 76 pivot to move the first flank impinger 4, along with the portions 64 and 62, between an animal-restraining position and an animal-release position. Pivoting members 70 and 72 pivot portion 62 inwardly relative to frame member 66 on the second upstanding side of the crush 8, and pivoting members 74 and 76 pivot portion 64 inwardly relative to frame member 68 on the first upstanding side of the crush 6. Pivoting members 70, 72, 74 and 76 are operatively connected via linkage members 84. The linkage system 78 also comprises a biasing and locking system 80 connected between pivoting member 70 and central frame member 82 for enabling movement of portions 62 and 64 and for locking the first flank impinger 4 in the animalrestraining position.

[0087] In the first example animal crush 1, the first flank impinger 4 is of cylindrical shape. The first flank impinger 4 is mounted to a second upstanding side of the crush 8 and is mounted substantially vertically relative to the crush 1.

[0088] The first flank impinger 4 is positionable along the second upstanding side of the crush 8, and the longitudinal axis of the impinger 4 is substantially parallel to the second side 8. As discussed above, when an animal is restrained in the crush 1, the first flank impinger 4 impinges on a flank of the animal to restrain it between the flank impinger 1 and the first side 6. In this situation, both the upper door 10 and the lower door 12 of the second side 8 (to which the first flank impinger is mounted) may be opened to access the side and rear of the animal, as the animal is restrained by the first flank impinger 4. The upper door 10 and the lower door 12 of the second side 8 may also include door latches 54, 56 for engaging with the crush framework (see Figure 2). Furthermore, the upper door 14 and the lower door 16 of the first side 6 may also include door latches 58, 60 for engaging with the crush framework (see Figure 8).

[0089] The impingement device 2 comprises a first flank impinger 4 and a positioning system 18 (see Figures 2-5) for positioning the first flank impinger 4 along the second 16 2013216690 16 Aug 2013 upstanding side of the crush 8. The positioning system preferably allows the first flank impinger 4 to be easily and quickly moved in any suitable position along the second upstanding side of the crush 8. The positioning system 18 comprises a positioning member 20, which in this example is a rail with holes spaced along its length. The positioning member 20 is mounted to the second side of the crush 8. The positioning system 18 also comprises a carrier 22 for mounting a first end 40 of the first flank impinger 4 to the positioning member 20. In this example, the carrier 22 is a holding plate which is movable along the member 20. The carrier 22 is releasably lockable to the positioning member 20 by locking mechanism 24 (see Figure 3). The positioning system 18 further comprises a guide 26 mounted to a second end 42 of the first flank impinger 4. In this example, the guide 26 is a u-shaped retainer, in which one end of the u is affixed to the end 42 of the first flank impinger 4, and the channel formed by the u hooks around a rail/frame member on the second upright side of the crush 8.

[0090] The second example crush 1 illustrated in Figures 9 and 10 has the features discussed above for Figures 1 to 8. In addition, the crush 1 further comprises two animal restraints, headbail 32 and gate 34. As shown in Figures 9 and 10, the headbail is mounted to the second end 30 of the crush 1, and the gate 34 is mounted to the first end 28 of the crush 1. The gate 34 is movable from an open position for allowing an animal to pass, to a closed position for blocking movement of the animal. The second example also includes an operator interface 48 for controlling the crush 1, and a roof 46, which may comprise solar panels for powering the crush 1.

[0091] The third example crush 1 illustrated in Figures 11 to 14 has many of the features discussed above. In addition, the crush 1 includes a second flank impinger 50, which is mounted to the first upstanding side of the crush 6. The second flank impinger 50 is mounted similarly to first flank impinger 4, as discussed for the example of Figures 1 to 8. In this example, the first and second flank impingers 4, 50 are moveable together between an animal-restraining position and an animal-release position, wherein in the restraining position the first and second flank impingers 4, 50 move towards each other and are each capable of selectively impinging on a flank of an animal and restraining the animal between the first and second flank impingers 4, 50, and wherein in the release position the first and second flank impingers 4, 50 move away from each other and do not restrain the animal. The squeeze mechanism 36 in this example (see Figure 12) is different to the squeeze mechanism 36 in the example of Figures 1-8.

[0092] In the example crush 1 illustrated in Figures 11 to 14 the upper door 10 and the lower door 12 on the second side of the crush 8 are open. These doors may be independently operated 17 2013216690 16 Aug 2013 or locked together. For example, the doors 10 and 12 in Figure 12 are locked together via a locking member 52. This illustrates how a handler or veterinarian would be able to access a restrained animal in the crush.

[0093] When the crush 1 of Figures 1 to 14 is used, an animal first enters the crush 1 through first end 28. The gate 34 may then be closed and the animal’s head restrained in the headbail 32. Following this, the positioning system 18 may be used to position the first and/or second flank impingers 4, 50, thereby positioning the animal between the first flank impinger 4 and the first upstanding side 6 and/or second flank impinger 50. The first flank impinger 4 and/or the second flank impinger 50 is then moved into an animal-restraining position by actuating lever 38 of squeeze mechanism 36. This moves the first flank impinger 4 and doors 10 and 12 inwardly from one side, and doors 14 and 16 and optionally second flank impinger 50 inwardly from the other side. The first flank impinger 4 and optionally second flank impinger 50 move in a substantially horizontal plane.

[0094] Following this, doors 10 and/or 12 or doors 14 and/or 16 (if a second flank impinger 50 is present) may be opened to allow a handler or veterinarian to inspect or operate on the restrained animal.

[0095] After this step is finished, lever 38 may be actuated to move the first flank impinger 4 into an animal-release position to release the animal. This step moves first flank impinger 4, doors 10,12,14 and 16 and optionally second flank impinger 50 away from the animal.

[0096] The animal’s head may then be released from the headbail 32. Following this, the animal is allowed to exit the crush.

[0097] In some examples, such as the example of Figures 9 and 10, the squeeze crush may be electronically operated.

[0098] Whilst the above has been given by way of illustrative example of the invention, many modifications and variations may be made thereto by persons skilled in the art without departing from the broad scope and ambit of the invention as herein set forth.

CITATION LIST

[0099] Australian Patent No. 561299

Claims (20)

1. A crush comprising: a first upstanding side, a second upstanding side; and an impingement device, the device comprising at least a first flank impinger and a first positioning system, wherein the first positioning system is configured to slideably position the first flank impinger along the second upstanding side; wherein the first flank impinger is movable relative to the first upstanding side between an animal-restraining position and an animal-release position, wherein in the animal-restraining position the first flank impinger is moved towards the first upstanding side and is capable of selectively impinging on a flank of an animal to restrain the animal between said first flank impinger and said first upstanding side, and wherein in the release position the first flank impinger is moved away from the first upstanding side and does not restrain the animal.

2. The crush according to claim 1, wherein the first positioning system comprises at least one positioning member for mounting the first flank impinger relative to the crush, wherein the first flank impinger is positionable transverse to the positioning member.

3. The crush according to claim 2, wherein the positioning member is a bar, guide rail or track.

4. The crush according to claim 2 or claim 3, wherein the first positioning system further comprises a carrier for mounting the first flank impinger to the positioning member, wherein the carrier is releasably lockable to the positioning member for holding the first flank impinger in position.

5. The crush according to claim 4, wherein the carrier is a slide bearing, a holding plate, a ball screw, a rack and pinion or a roller.

6. The crush according to any one of claims 2 to 5, wherein the positioning member is mountable relative to a first end of the first flank impinger, and wherein the first positioning system further comprises a guide engageable with a second end of the first flank impinger, wherein the guide is configured to hold the second end of the first flank impinger to the crush.

7. The crush according to any one of claims 1 to 6, wherein the first flank impinger is a bar, tube or rod.

8. The crush according to any one of claims 1 to 7, wherein the first upstanding side is a first upstanding side wall, and wherein the second upstanding side is a second upstanding side wall, and wherein the first flank impinger and at least a portion of the second upstanding side wall are together moveable relative to the first upstanding side wall between an animalrestraining position and an animal-release position.

9. The crush according to any one of claims 1 to 8, wherein the crush further comprises a second flank impinger and a second positioning system, wherein the second positioning system is configured to slideably position the second flank impinger along the first upstanding side, wherein the second flank impinger is movable relative to the first flank impinger between an animal-restraining position and an animal release position, wherein in the animal-restraining position the first and second flank impingers are moved towards each other and are capable of selectively impinging on the flanks of an animal to restrain the animal between the first and second flank impingers, and wherein in the release position the first and second flank impingers are moved away from each other and do not restrain the animal.

10. The crush according to claim 9, wherein the second positioning system comprises at least one positioning member for mounting the second flank impinger relative to the crush, wherein the second flank impinger is positionable transverse to the positioning member.

11. The crush according to claim 10, wherein the positioning member is a bar, guide rail or track.

12. The crush according to claim 10 or claim 11, wherein the second positioning system further comprises a carrier for mounting the second flank impinger to the positioning member, wherein the carrier is releasably lockable to the positioning member for holding the second flank impinger in position, and wherein the carrier is a slide bearing, a holding plate, a ball screw, a rack and pinion or a roller.

13. The crush according to any one of claims 10 to 12, wherein the positioning member is mountable relative to a first end of the second flank impinger, and wherein the second positioning system further comprises a guide engageable with a second end of the second flank impinger, wherein the guide is configured to hold the second end of the second flank impinger to the crush.

14. The crush according to any one of claims 9 to 13, wherein the second flank impinger is a bar, tube or rod.

15. The crush according to any one of claims 9 to 14, wherein the first positioning system is configured to slideably position the first flank impinger along and substantially parallel to the second upstanding side, and wherein the second positioning system is configured to slideably position the second flank impinger along and substantially parallel to the first upstanding side.

16. The crush according to any one of claims 1 to 15, wherein the crush is a cattle crush, and the animal is a cattle.

17. The crush according to any one of claims 1 to 15, wherein the crush is a squeeze crush.

18. A method of restraining an animal using the crush of any one of claims 1 to 17, the method comprising the steps of: Positioning an animal between the first flank impinger and first upstanding side; and Moving the first flank impinger into the animal-restraining position.

19. A method of fitting an impingement device to a crush, wherein the impingement device comprises at least a first flank impinger and a first positioning system; wherein the crush comprises a first upstanding side, and a second upstanding side; wherein the method comprising the steps of: fitting the first positioning system to the second upstanding side, and fitting the first flank impinger to the first positioning system, wherein the first positioning system is configured to slideably position the first flank impinger along the second upstanding side; wherein when fitted, the first flank impinger is movable relative to the first upstanding side between an animal-restraining position and an animal-release position, wherein in the animalrestraining position the first flank impinger is moved towards the first upstanding side and is capable of selectively impinging on a flank of an animal to restrain the animal between said first flank impinger and said first upstanding side, and wherein in the release position the first flank impinger is moved away from the first upstanding side and does not restrain the animal.

20. The method of claim 19, wherein the impingement device fitted to the crush is the crush of any one of claims 2 to 17.