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WO2015178779A2 - Système de couteau rotatif motorisé - Google Patents

Système de couteau rotatif motorisé Download PDF

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Publication number
WO2015178779A2
WO2015178779A2 PCT/NZ2015/000039 NZ2015000039W WO2015178779A2 WO 2015178779 A2 WO2015178779 A2 WO 2015178779A2 NZ 2015000039 W NZ2015000039 W NZ 2015000039W WO 2015178779 A2 WO2015178779 A2 WO 2015178779A2
Authority
WO
WIPO (PCT)
Prior art keywords
motor
blade
speed
knife
internal
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.)
Ceased
Application number
PCT/NZ2015/000039
Other languages
English (en)
Other versions
WO2015178779A3 (fr
Inventor
Keith Blenkinsopp
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.)
IBEX INDUSTRIES Ltd
Original Assignee
IBEX INDUSTRIES Ltd
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 IBEX INDUSTRIES Ltd filed Critical IBEX INDUSTRIES Ltd
Priority to AU2015262097A priority Critical patent/AU2015262097A1/en
Publication of WO2015178779A2 publication Critical patent/WO2015178779A2/fr
Publication of WO2015178779A3 publication Critical patent/WO2015178779A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A22BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
    • A22BSLAUGHTERING
    • A22B5/00Accessories for use during or after slaughtering
    • A22B5/16Skinning instruments or knives
    • A22B5/165Ring knives specially adapted for skinning
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein

Definitions

  • the invention relates to a powered rotary knife system includmg hand-held, powered cutting tools having exchangeable rotary trimmer blades as used in the meat and in the poultry industries, and relates to improvements in the efficiency and effectiveness of these tools.
  • PEEK is an engineered thermoplastics material: poly(aryl ether ketone).
  • the preferred modified material is compatible with lubrication by water.
  • "Pitch circumference” is the circumference of a spur gear (one that has the teeth parallel to the rotational axis) at the pitch diameter of the gear.
  • Rotary knife and “trimmer blade” refer to conventional powered knives as included in Fig 3.
  • Powered hand-held knives are well-known in the meat industry.
  • One major class comprises powered l nives having a spinning ring-shaped (annular) trimmer blade mounted on to a ring- shaped part including gear teeth, driving means engaging with the gear teeth to make the blade spin, and a handle extending radially outwards with respect to a spin axis of the blade,
  • Such loiives are particularly useful for cutting away meat which would otherwise remain attached to a carcass or to bones, and for trirnming fat or skin.
  • a variety of designs currently exist in order to provide knives which are mechanically efficient, safe to use, and easy to maintain.
  • Blades may be driven by pneumatic or electric motors.
  • Motors can be located in the handle itself (“internal motor”), or at the end of a flexible Bowden-type drive cable (“remote motor”).
  • Internal motor systems are limited with respect to the size of the motor, so pneumatic and compact direct-current (DC) motors have been favoured.
  • DC direct-current
  • Remote motor systems are widely employed in the industry, with a large installed base of AC induction motors, cables, and other components.
  • Single phase asynchronous induction AC motors with power ratings of 400 to 700 watts are commonly used,.
  • Such motors have a fixed output speed of typically around 2500-3000 revolutions per minute, depending on pole number and number of phases and the alternation frequency of supplied mains current which is 50 Hz in some countries and 60 Hz in others.
  • Such motors are preferred for meat and poultry processing as they are cheap and reliable. But it is not desirable to frequently stop and start an AC induction motor because start-up transient conditions involve high currents applied through starting windings, which draw extra power. Extra wear- is incurred.
  • the motor is coupled to a flexible Bowden-type drive cable hence the cable is also driven at the same speed as the motor although at least one manufacturer includes a speeding-up gearbox as part of the motor assembly, to make the cable turn faster.
  • the other end of the cable is coupled to the handle by a safety spring-release coupling that is separated, removing the drive, as soon as the operator lets go of the handle.
  • the coupling leads to an internal shaft running through the handle and terminating with a typically 16, 19 or 25-tooth spur gear that engages with a ring gear constructed around the ring of each interchangeable blade, As a result, a cutting speed of the rotary blade is set by the peripheral (tooth) speed of the spur gear and that is determined by the shaft speed of the AC induction motor.
  • rotary knives used in meat-processing typically run from a fixed motor or power supply securely connected to the AC mains supply by an installed cable. This constrains the use of knives to a zone surrounding the fixed motor, with a radius equivalent to the length of the flexible cable. Limitations on cable movement constrain the space within and angles at which tools can be used. A more portable drive system could enable mobile meat processing, serving sites where installation of tethered tools is uneconomic or otherwise undesirable.
  • One known solution to perceived low cutting speeds is to provide a 600W AC induction motor with a speed-increasing gearbox and to drive the flexible cable at a greater speed such as two or three times the rate previously described, which leads to increased wear of the flexible cable,
  • a blade speed of 250 -275 metres per minute (m/min) is a suitable speed.
  • a speed of 220 m/min does not cut quicldy enough, while over 300 m/min appears to be faster than necessary.
  • Detritus is flung from the Icnife, the blade wears faster, and the operator has to use extra energy to counter the reaction force.
  • An object of the present application is to provide a powered rotary Icnife system having an interchangeable ring-shaped blade which allows a desired blade speed to be provided without requiring a higher drive cable revolution rate, or at least to provide the public with a useful choice.
  • the invention comprises a powered rotary knife system for use in meat and poultry dismembering plants; the system comprising interconnectable parts, namely a controllable motor, a standard flexible cable for transmitting power from the motor to the Icnife, and a Icnife handle capable of holding a standard replaceable rotary Icnife blade when in use; the handle having fail-safe connection means for reversibly being coupled to the flexible cable, wherein the powered 100 rotary knife system provides an optimal Icnife blade speed along with an optimum cable shaft rotation rate by including in the system at least one component selected from the following range: (i) a detachable handle including an internal rotatable shaft and internal gear means capable of providing an increase of the rotary blade speed for a given rate of rotation of a cable; and (ii) a motor capable of being driven at a controllable rate in order to rotate the cable shaft,
  • the invention provides a powered rotary knife system for use in meat and
  • poultry dismembering plants having a controllable motor, a flexible cable for transmitting power from the motor to the knife, and a knife handle having a capacity for holding a replaceable rotary knife blade that is capable of being reversibly connected to the flexible cable and capable of reversibly receiving the replaceable rotary knife blade, characterised in that the powered rotary
  • knife system provides an optimal blade speed by furnishing at least one component selected from the range of a detachable handle including an internal rotatable shaft and internal gear means capable of providing an increased rotary blade speed for a given rate of rotation of a drive cable; and a motor that is driven at a controllable rate in order to provide a variable shaft rotation rate.
  • the detachable handle of the powered rotary knife system includes an 115 internal shaft capable of being connected at a releasable connector to a flexible drive shaft; the internal drive shaft terminating at a gear means comprising a spur gear capable when in use of engaging with the teeth of a standard rotatable circular knife blade and including more than 34 teeth, so that a greater blade speed can be attained without increasing a turning rate of the flexible drive shaft.
  • the spur gear has a pitch diameter capable of providing between 80 and 110 mm of movement of the knife blade per revolution of the spur gear.
  • the spur gear has a pitch circumference of 90 mm, thereby providing 90 mm of movement of the knife blade per revolution of the spur gear; resulting in a tooth count of 38.
  • a powered rotary knife system when driven by 125 a motor at a rate of from 2700 to 3400 rpm and having a spur gear pitch circumference of 90 mm, provides a blade velocity of from 243 m/min to 306 m/min over that speed range.
  • a revolution rate of 3200 rpm provides a knife speed of 288 m/min when used with a spur gear having a pitch diameter of 90 mm.
  • the teeth of the spur gear are modified by diminishing the size of their 130 peaks so that the peaks do not slide against the sides of the teeth of the rotary knife when entering or leaving a fully meshed condition, yet they mesh properly with industry-standard rotary knives.
  • the peaks are bevelled, sloping inward toward a central axis of the rotary knife.
  • options for the detachable handle includes at least one internal gearbox assembly capable of changing a rate of rotation of the internal rotatable shaft; the or each internal gearbox 135 assembly comprising a planetary gearbox including a fixed array of planetary gears within an annular gear driven by an input shaft and having an output shaft connected to a sun gear that is caused to turn at a rate greater than that of an input shaft thereby peimitting the flexible drive shaft of the powered rotary knife system to turn at a reduced rate of rotation.
  • the detachable handle includes internal cooling means comprising channels or ducts 140 capable of carrying a cooling fluid and at least one impelling means capable of driving a flow of the cooling fluid over said at least one internal gearbox; said impelling means being carried upon an end of an enclosing annular gear of the or each planetary gearbox and comprising radially directed impeller fan blades.
  • the or each annular gear is made of a thermally conductive material so that, when in 145 use, heat generated within the or each planetary gearbox is transferred by conduction to the exterior of each annular gear.
  • the remaining gears are made of an engineering plastics material having a low coefficient of friction and more preferably the plastic material comprises a modified poly(aryl ether ketone) (PEEK) and lubrication if any is provided by ambient water.
  • PEEK poly(aryl ether ketone)
  • the cooling fluid is ambient air and is drawn through or over the or each gearbox and is circulated through and out of the handle.
  • the motor of the powered rotary knife system is a variable-speed electric motor operable in association with a motor controller capable of maintaining a predetennined rate of rotation.
  • the controller has a speed regulating capacity and is responsive to (a) a present rate of rotation, and (b) an intended rate of rotation and thereby speeding or slowing the motor in order to make the present rate of rotation match the intended rate,
  • the motor of the system is of the type known as "a brushed DC motor".
  • a brushless DC motor can be used, or part of the system can be used with an existing motor.
  • the intended speed is selected at a control panel by an operator of the powered rotary knife system at a work station in accordance with perceived conditions; the selection means being 15 000039 selected from a range comprising: a continuously variable rotatable control knob, a rotary switch connected to a rotatable speed control knob, one of an array of press buttons, or by means of a touch screen.
  • the motor controller is capable of assimilating electric power from a power pack capable of receiving AC mains power, DC mains power, or DC power from a storage battery.
  • Fig 1 shows an external appearance of the knife and handle.
  • Fig 2 is a longitudinal cross-section of the knife and handle.
  • Fig 3 is an oblique view of the spur gear meshed with a standard rotary knife blade.
  • Fig 3 a shows details of some modified spur gear teeth.
  • Fig 4 is a block diagram showing the rotary knife system, with an existing flexible cable.
  • Fig 5 is a longitudinal section through a gear box assembly to be included inside a knife handle.
  • Fig 6 is a cross-section through one gear box.
  • Fig 7 shows details of an impeller used to drive air past the gearboxes.
  • the powered rotary knife system of this invention provides a hand-held motorised knife driven at an optimised blade velocity for use in abattoirs of the meat and poultry industries,
  • a standard 190 interchangeable annular blade is used on a novel handle, driven by a selected motor through a flexible cable or Bowden cable connecting the handle to the motor.
  • Ring-shaped interchangeable loiife blades can be of different sizes; each suited to particular cutting tasks.
  • Each diameter (for which the type may include plain or serrated blades) of knife is rotatably held within a knife support base of appropriate size.
  • Each blade has an appropriate or “best” driving 195 speed, although working conditions will affect the speed.
  • the inventor as described in the Background above has established a range of suitable "linear" or peripheral speeds. For example, removal of fat from cold pork is a difficult job that requires a high torque.
  • the handle (100) is illustrated in Figs 1 and 2.
  • an annular set of gear teeth (112) comprising part of a replaceable circular blade (111 - see Fig 3) is laterally restrained and
  • a handle or hand grip (103) provides an outer skin over a cylindrical airtight case (not shown separately) that covers and protects the interior, transmits the operator hand movements to the knife, and carries the
  • Part (102) is a pivotally mounted "dead man's handle” including part (104) - a catch.
  • This comprises a prior-art spring-release coupling for connecting the handle (101) on to the end of the flexible drive shaft (105). As soon as the handle is released by the operator for whatever reason, the spring causes the flexible drive shaft to be ejected. Since the handle of Example lhas no internal parts likely to have significant
  • the loiife will stop spinning as soon as the safety device expels the flexible drive, thanks to some friction of the knife against the restraint (110).
  • SYSTEM EXAMPLE 1 According to the invention, a more suitable blade velocity for a powered rotary knife system is 220 provided in one option by modifying the handle so that the blade speed is greater for a given drive shaft rotation rate. Perhaps surprisingly, this invention appears unknown in the industry.
  • the 38-tooth spur gear (113) is shown in Figs 2 and 3 meshing with the teeth (112) on the back of a trimmer blade (503).
  • Fig 2 a longitudinal section, it can be seen that this handle has a single moving part, the spur gear, and does not include any other gearboxes, The square-section end of
  • the flexible drive shaft is plugged in to enter a square hole (not shown) made into the interior of the spur gear shaft (113).
  • a needle roller bearing was included in the prototype to support the spur gear. It will experience a reaction to friction and work during a cutting process. It is likely that this bearing will be replaceable with a plastic bush, for which water is an adequate lubricant, and then a seal.
  • the grease nipple (109) here depicted for lubricating the needle roller bearing may be
  • part of the invention comprises redesigning the handle so that a 38-tooth spur gear wheel is substituted for the 16 or 19-tooth (even 25-tooth) spur gears previously used to drive the trimmer blade.
  • a standard spur gear tooth spacing is retained for the memepose of
  • the effective tooth velocity of a 38-tooth spur gear wheel which has a pitch diameter of 28.6 mm and an effective circumference of 90 mm, is 261 metres per minute (856 feet per minute) when driven at 2900 revolutions per minute through a flexible cable, assuming a conventional AC induction motor connected to a 50 Hz AC supply. If the intended speed- 250 controllable motor (see below) is used at 3200 rpm, the resulting knife velocity is 288 m/min. This is significantly and usefully higher than the prior-art rate. According to this invention, the drive system does not require any gearbox as such between the rotor of the motor and the trimmer blade, and the flexible cable is driven without exceeding its design ratings.
  • Fig 3 a shows several teeth (301) of the spur gear, with the outline of a removed peak shown as the 260 dotted outline (302). The remaining surface may be bevelled as shown in Fig 3.
  • the bevels may slope inwardly toward a central axis of the rotary knife. This improvement to rotary knife handles would be applicable to any diameter of spur gear, and may be more important with the smaller (16-19 tooth) ones.
  • a DC motor is preferred because of the existence of motor controllers capable of overcoming erratic mains power supplies by being able to use alternatives, such as storage battery power, so that the production line does not need to stop if there is a power cut.
  • a reliable supply of AC Mains electric power is required by an AC induction motor.
  • DC motors do not require the starting winding assembly that is characteristic of AC induction motors and are not degraded by frequent
  • a further advantage is that the motor output speed is determined within the variable-speed drive and may be raised or lowered according to the type of rotary Icnife, or the type of work, at any time. Perhaps surprisingly it has been found that a DC motor having a nominal rating of 320 Watts is a suitable replacement for a 600W AC induction motor.
  • the preferred version of the powered rotary Icnife system of this invention includes a variable- 275 speed motor as a substitute for the AC induction motor of existing systems.
  • An example motor is a 320W, 24 volt Motion Dynamics product, (see https ://wwww.motiondvnamics . com. au; downloaded on 20 May 2015).
  • Standard AC induction motors have a load-dependent yet approximately constant drive shaft speed of about 2900 rpm when supplied with mains power at 50 Hz or about 3480 lpm if supplied at 60 Hz,
  • the preferred DC motor output speeds are 280 independent of AC mains frequency. It is intended that the DC motor be mounted on a fixed mounting and coupled to the handle carrying the rotary knife through a flexible drive shaft, like installations using an AC induction motor.
  • FIG 4 is an overview block diagram of the powered rotary knife system (400) of this invention, where (401) is a controlled motor connected through a (prior art) flexible drive (404) to a rotary knife handle (100).
  • the motor (401) is controlled by a controller (402) supplied from a source of electric power (405) and the controller is optionally provided with speed control by a control panel or other transducer device (403).
  • the inventors have modified a constant-speed motor controller, such as a Motion Dynamics product; 12V-48V DC Speed Controller 25A (PCB Model) by providing a speed control input to the circuit from one or more of a variety of sources. This is a 450 Watt device.
  • This type of drive circuit has a user speed control comprising a potentiometer with a pointer knob, for setting an input
  • speed control includes a rotary switch connected to a selected one of a set of preset resistances and turned by arotatable speed or torque control knob, or one of an array of press buttons, or a touch-sensitive
  • One advantage of using a variable-speed motor is that a process of optimisation may balance the cost of increasing the rate of rotation of the flexible drive shaft by raising the motor speed to get a required knife speed, or by using either or both of an enlarged drive spur gear (see Example 1) and 305 one or a series of internal gear boxes for the same result.
  • Another way to provide a faster knife speed without causing a greater wear rate of the flexible drive cable comprises installing a speed-increasing gear box inside the knife handle.
  • a planetary gear design does not require that the outer diameter of the handle be changed. That will increase 315 the rate of turning of the 90 mm circumference spur gear, relative to the rate as provided by the drive cable, by the gear ratio.
  • one, or preferably two identical planetary gear sets in series connection each increase the rate of turning by 2. This allows, for example, the blade speed to be doubled and the cable speed to be halved, and each unit shares the speed increase without undue stress on internal gear components.
  • each gear box has an external driving cup-shaped annular gear (503 and 503') having inwards-facing gear teeth.
  • the closed base of each annular gear is at the end closer toward the input - the flexible cable coupling, and includes an inner square-
  • the annular gear is preferably made of metal, perhaps by a combination of moulding, such as vacuum die casting and milling, and will be thermally conductive.
  • a preferred material for the planet gears and sun gear is a modified PEEK poly(aryl ether ketone) engineering plastics material, although other materials may be found suitable. Milling, moulding, or extrasion may be used in order to form the set of specific gears of the planetary gearbox.
  • 335 friction material is self-lubricating and is compatible with lubrication by water, which is advisable in a food processing plant, where escaped lubricating oil or grease would be objectionable.
  • All gears are substantially cylindrical (although they could be helical) and have relatively long contact surfaces, in order to transfer power with low point loading at three sites in parallel, and increased operational life.
  • Each planet carrier (506, 506') is fixed to a part of the handle housing.
  • the cup-shaped annular metal gear (503) has a series of shallow radial protrusions or impelling means, as fan blades (702) that are formed on the outer side of the base (701) of the cup-shaped annular gear as shown in Fig 7. When rotated, the blades provide forced-
  • a l nife handle including gear boxes equipped with vanes has an ah intake into its interior adjacent the connection to the flexible drive shaft. The ah is drawn past the gear boxes and through a space between the annular gear exterior and the handle interior. Since that space is small and the annular gears turn relative to the handle interior, the flow is likely to become turbulent which assists in transfer of heat to the air. After passing over and cooling the 350 moving exterior of the annular gear of nearer the knife, the air emerges near the drive spur gear.
  • 360 gearbox allows the handle (100) to be used with a variable-speed motor (401) so that the flexible drive shaft (404) can be operated at perhaps around 1000 lpm yet the knife speed is in an optimum range.
  • the various parts of this invention comprising a powered rotary knife system: the motor drive, the 365 industry-standard drive cable, and the powered lcnife are plug-in compatible with existing industry- standard components. That reduces any need for operator training or retraining, with attending safety issues. It also allows a manager to move slowly toward adopting unfamiliar equipment beginning by, for example, using the large-spur gear knife handles with existing motors and flexible drives. It could be assumed that, in general, existing standard apparatus has evolved from 370 older equipment in a rational and optimised way, although it is likely that the 16 and 19-tooth spur gears are a legacy of in-handle pneumatic motors.
  • the inventor has defined a suitable rotary knife blade speed as a key parameter without reference to rotation rates as such. Specifically, a preferred blade speed which is believed to be about 250 - 290 metres per minute can be provided by the system of the invention while the drive cable shaft 375 is turning at around 3200 rpm.
  • the system according to the invention allows a reduction of wear within the flexible drive while maintainhig a suitable rotary lcnife blade speed. If the handle includes a larger pinion than the described 38-tooth version, and/or has internal gear boxes, the drive shaft cable rotation rate can be reduced.
  • the internal gearbox version of the handle allows the flexible shaft drive cable to turn 380 at about one quarter of the rate of a prior-art lcnife system if two 2:1 gearboxes are used.
  • the system conveniently provides a modified handle providing a faster rate of cutting, and the option of using a variable-speed motor to drive the flexible drive shaft while being able to use a variety of AC mains inputs or battery inputs to provide power for the motor controller, so that the production line does not have to stop if a power cut occurs, Less power is required by using a motor with a dedicated controller, and from a lower turning rate inside the flexible cable.
  • a user could work for several hours using a series pair of fully charged 12-volt car batteries.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Gears, Cams (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Processing Of Meat And Fish (AREA)

Abstract

L'invention concerne un couteau rotatif motorisé destiné à découper des carcasses de viande et de volaille présentant une vitesse de lame optimisée qui n'est pas atteinte par un système de moteur à induction à courant alternatif traditionnel sauf si une vitesse de rotation d'un câble d'entraînement flexible standard ou d'un câble du type Bowden est augmentée. Une lame annulaire interchangeable standard est utilisée sur une poignée à denture interne entraînée par un moteur à courant continu sélectionné par l'intermédiaire d'un câble flexible raccordant la poignée au moteur. Une roue droite cylindrique de plus grandes dimensions entraînant le couteau dans la poignée est préférée à une option de boîte de vitesses d'augmentation de vitesse interne.
PCT/NZ2015/000039 2014-05-21 2015-05-21 Système de couteau rotatif motorisé Ceased WO2015178779A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2015262097A AU2015262097A1 (en) 2014-05-21 2015-05-21 A powered rotary knife system

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
NZ625370 2014-05-21
NZ62537014 2014-05-21
NZ70201614 2014-11-17
NZ702016 2014-11-17
NZ705076 2015-02-16
NZ70507615 2015-02-16

Publications (2)

Publication Number Publication Date
WO2015178779A2 true WO2015178779A2 (fr) 2015-11-26
WO2015178779A3 WO2015178779A3 (fr) 2016-01-14

Family

ID=54554930

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NZ2015/000039 Ceased WO2015178779A2 (fr) 2014-05-21 2015-05-21 Système de couteau rotatif motorisé

Country Status (2)

Country Link
AU (1) AU2015262097A1 (fr)
WO (1) WO2015178779A2 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6354949B1 (en) * 2000-03-15 2002-03-12 Bettcher Industries, Inc. Maintenance free flexible shaft drive transmission assembly
US6694649B2 (en) * 2001-11-07 2004-02-24 Bettcher Industries, Inc. Motor driven knife including depth limiting device
US8037611B2 (en) * 2006-06-09 2011-10-18 Hantover, Inc. Rotary knife with blade bushing
US9265263B2 (en) * 2012-01-06 2016-02-23 Bettcher Industries, Inc. Flex shaft-tool connection for power operated rotary knife
US20140109415A1 (en) * 2012-10-19 2014-04-24 Hantover, Inc. Breakaway lug drive coupler of rotary knife

Also Published As

Publication number Publication date
WO2015178779A3 (fr) 2016-01-14
AU2015262097A1 (en) 2017-01-12

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