Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
  • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
  • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
  • B26D3/18—Cutting work characterised by the nature of the cut made; Apparatus therefor to obtain cubes or the like
  • B26D3/20—Cutting work characterised by the nature of the cut made; Apparatus therefor to obtain cubes or the like using reciprocating knives
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
  • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
  • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
  • B26D7/22—Safety devices specially adapted for cutting machines
  • B26D7/24—Safety devices specially adapted for cutting machines arranged to disable the operating means for the cutting member
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
  • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
  • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
  • B26D3/18—Cutting work characterised by the nature of the cut made; Apparatus therefor to obtain cubes or the like
  • B26D3/185—Grid like cutters

Definitions

• the present invention relates to the technical field of household cutting devices, manual or motorized, also called mandolins, used to cut food, including slices or filaments, by reciprocating a cutting tool.
• US Patent 5,445,332 has proposed a household linear cutting apparatus comprising a frame defining a cutting area which is fixed relative to the frame.
• the apparatus also includes a food chute for cutting which is carried by a removable lid attached to the frame and located above the cutting zone being fixed relative to the cutting zone and extending in a direction ⁇ .
• the apparatus is provided with a cutting tool movable relative to the frame in the cutting area.
• the movable cutting tool is moved by motorized operating means reciprocating in a cutting plane substantially normal to the direction of extension of the chute.
• the operating means comprise an eccentric wheel driven in rotation by the electric motor.
• An eccentric finger of this wheel moves in a window secured to a carriage connected to a coupling member with the cutting tool so that the rotation of the wheel is converted into a translation of the coupling member.
• the operating means are driven by an electric motor driven by a switch carried by the frame.
• Such a household linear cutting device then allows to cut food slices or to grate them to form filaments.
• this device has the disadvantage of being able to be started while the cover is not in place above the cutting area.
• the invention relates to a food cutting apparatus comprising:
• a lid mounted movably on the chassis, the lid having a feed chute for cutting food located above the cutting zone,
• a cutting tool movable relative to the frame at least in the cutting area, according to a reciprocating rectilinear movement in a cutting plane
• Means for operating the cutting tool which comprise an electric motor associated with a transmission system driving the cutting tool
• the apparatus is characterized in that:
• control member is placed on the cover
• the cover can be placed in a locked position on the frame, in which the cover covers the cutting area and the cutting tool so that they are not accessible from above the device,
• the control means of the electric motor are adapted so that an action on the control member allows starting of the electric motor when the lid is in the locked position.
• the combined implementation of the lockable cover and the control means makes it possible to prevent an accidental start-up of the electric motor when the cover is not suitably adapted to the chassis.
• the risk of serious injury resulting from accidental contact with the cutting tool while it is actuated by the electric motor is then greatly reduced.
• the lid is movable between the locked position and an unlocked position in which the lid can be removed so as to provide access to at least the cutting area
• the control means of the electric motor are adapted so that an action on the control member does not allow starting of the electric motor when the lid is in the unlocked position.
• the cover can be moved on the frame between the locked position and an unlocked position in which the apparatus can no longer operate and from which the lid can be further moved to access the cutting tool .
• control means comprise a switch located in the frame of the apparatus, the switch being actuated by means of a control rod disposed in a bore of the frame arranged facing the cover occupying the locked position,
• the control member is formed by a push button which is adapted to actuate the control rod when the lid is in the locked position, if desired via a transmission element.
• the upper end of the control rod is flush with an upper surface of the frame located under the cover.
• the bore has a diameter less than or equal to 1 cm. Such size prevents the switch can be directly operated with the finger of a user's hand while the cover is not in place.
• the pushbutton is integral with a maneuvering finger which has a smaller diameter than that of the bore and which is located opposite the bore when the lid is in the locked position and offset from the bore when the lid is in the unlocked position. Thus, when the push button is depressed the engagement of the operating finger in the bore blocks a possible translation of the cover.
• control rod is actuated via the transmission element which is disposed in another bore of a removable intermediate support arranged between the frame and the cutting tool.
• the upper end of the control rod is flush with an upper surface of the removable intermediate support located under the cover.
• the pushbutton is secured to an operating finger which has a diameter smaller than that of the other bore and which is located facing the other bore when the lid is in the locked position and offset from the other bore when the lid is in the unlocked position.
• the other bore has a diameter less than or equal to 1 cm.
• the switch has a stable open position and an unstable closed position.
• This variant embodiment makes it possible to prevent the motor from being in operation while no action is exerted on the switch.
• the push-button is movably mounted against an elastic return element.
• the control means are adapted to stop the operation of the electric motor in case of release of the action on the control member.
• the cover is removable relative to the frame. This arrangement simplifies the construction of the device.
• the cover is mounted movable in translation on the frame to the locked position.
• This arrangement facilitates the use of the device by simplifying the installation of the cover.
• the various variants and embodiments of the invention can be associated with each other in various combinations to the extent that they are not incompatible or exclusive of each other.
• FIG. 1 is a perspective view of a cutting apparatus according to the invention.
• FIG. 2 is a longitudinal sectional view of the apparatus shown in Figure 1 with its lid in the locked position.
• Figure 3 is a perspective view similar to Figure 1 of the cutting apparatus with the cover removed.
• Figure 4 is a sectional view similar to Figure 2 showing the lid of the apparatus according to the invention in the unlocked position.
• - Figure 5 is a longitudinal sectional view of the lid alone.
• - Figure 6 is a perspective of a cutting tool and a complementary cutting tool that can equip together the cutting apparatus according to the invention.
• FIG. 7 is a longitudinal sectional view of the cutting tool and the complementary cutting tool illustrated in Figure 6.
• FIG. 8 is an exploded perspective view of a transmission system implemented in the cutting apparatus according to the invention in order to transform the rotational movement of the motor into an alternating translational movement.
• FIG. 9 is a kinematic diagram of part of the transmission system illustrated in FIG. 8.
• FIG. 10 is a schematic view of the combined operating principle of the cutting tool and the complementary cutting tool.
• Figures 1 1 and 12 are similar to Figures 6 and 7, showing an alternative embodiment of the cutting tool and the complementary cutting tool.
• Figure 13 is a view similar to Figure 7 showing another alternative embodiment of the cutting tool and the complementary cutting tool.
• Fig. 14 is a partial perspective view of an embodiment of the cutting tool.
• FIGS. 15 and 16 illustrate in perspective cutting tools that can be used with the cutting apparatus according to the invention
• FIG. 17 illustrates in perspective an alternative embodiment of a cutting apparatus according to the invention.
• FIG. 18 is an elevational view of an intermediate support of the embodiment shown in Figure 17.
• a food cutting apparatus as illustrated in FIGS. 1 to 3, comprises a frame 1 formed, according to the illustrated example, of a trunk 2 intended to be placed on a support and a head 3 that extends cantilevered from trunk 2 and which delimits, laterally to the trunk 2, a cutting zone 4.
• the cutting zone 4 is located in height relative to the support on which the frame 1 rests so that it is possible to place a container under the cutting zone 4 to collect the cut food by means of cutting tools located in said cutting zone 4 as will appear later.
• the cutting apparatus also comprises a chute 5 for introducing foods to be cut which is integral with the frame 1 and is situated above the cutting zone 4.
• the chute 5 is integrated in a removable cover 6 which can be completely removed from the frame 1 so as to release access to the upper part of the frame 1 and the head 3, as shown in FIG. 3.
• the chute 5 extends according to a substantially vertical direction ⁇ .
• the chute 5 is fixed relative to the cutting zone 4.
• the cutting zone 4 is fixed relative to the frame 1.
• the apparatus comprises at least one cutting tool 10; 10 '; 10 "movable relative to the frame 1 at least in the cutting zone 4 according to rectilinear reciprocating movement in a section plane C.
• the cutting tools 10; 10 '; 10" are interchangeable and are removable relative to the frame 1.
• the cover 6 can be placed in a locked position on the frame 1, illustrated in FIGS. 1 and 2, in which the cover 6 covers the cutting zone 4 and the cutting tool 10; 10 '; 10 "so that they are not accessible from the top of the device
• the cover 6 is movable in translation in the direction of the arrow F 0 from the locked position to an unlocked position shown in Figure 4.
• the cover 6 can then be easily removed.
• the cover 6 can occupy a locked position on the frame 1, in which the cover 6 covers the cutting zone 4 and the cutting tool 10; 10 '; 10 ", so that they are not accessible from above the device.
• the stability of the locked position of the cover 6 is provided by pins 7, visible in Figure 5, carried by the two longitudinal sides of the device. 6.
• Each peg 7 each cooperates with a locking ramp 8 carried by the corresponding longitudinal side of the head 3 and visible in FIG. 3.
• the cover 6 comprises, on the internal face of each longitudinal side, three pins 7 which cooperate with three locking ramps 8 carried by the outer face of the corresponding longitudinal side of the head 3.
• the cutting tool 10 movable in the cutting zone 4 is associated with a complementary cutting tool 1 1 is fixed relative to the frame 1.
• the complementary cutting tool 11 is located in the cutting zone 4 under the chute 5 so that the cutting tool 10 moves between the chute 5 and the complementary cutting tool January 1.
• the cutting tool 10 is, in the present case, movable in translation in a direction D substantially normal to the direction ⁇ of extension of the chute 5.
• the cutting tool 10 and the tool complementary cutting 1 1 are removable.
• the complementary cutting tool 1 1 comprises, as shown more particularly in Figures 6 and 7, a body 12 of generally parallelepipedal shape.
• the body 12 comprises, in its region intended to be placed in the cutting zone 4 opposite the chute 5, a first series of cutting members 13 parallel to each other.
• Each cutting member 13 then extends in a plane, on the one hand, substantially parallel to the direction ⁇ of extension of the chute and, on the other hand, substantially perpendicular to the direction D of displacement of the tool of
• each cutting member 13 comprises a cutting edge 14 facing upwards in the direction of the chute 5.
• the cutting tool 10 comprises a body 22 provided with two lateral grooves 23 intended to engage on two longitudinal tongues 24 carried by the body 12 of the complementary cutting tool 11 so that the cutting tool 10 and the complementary cutting tool 1 1 are connected to each other by a slide connection guiding the cutting tool 10 during its reciprocating movements.
• the cutting tool 10 and the complementary cutting tool 1 1 are integral and form an assembly removably adapted to the frame 1.
• the body 22 carries a blade 25 which is in front of a solid portion 26 of the body 22 and at the rear of a cutting window 27 delimited by the body 22.
• the blade 25 comprises a main cutting edge 28 in the plane of section C.
• the cutting plane C is substantially normal to the direction ⁇ of extension of the chute 5.
• the cutting tool 10 also comprises a pressing shoe 29 which is issued from the main cutting stop 28 and arranged on the side of the complementary cutting tool 11.
• the pressing shoe 29 comprises a bevel 30 inclined from the main cutting edge 28 towards the inside of the cutting tool 10 and in a direction opposite to the direction of work indicated by the arrow F1.
• the bevel 30 is extended by a heel 31 substantially parallel to the section plane C.
• the pressure shoe 29 has, according to the illustrated example, a thickness h sufficient to occupy most of the space between the complementary cutting tool 1 1 and the lower end of the chute 5.
• the thickness h, measured between the cutting plane and the end of the bevel 30 opposite the main cutting edge 28, is preferably , greater than or equal to 4 mm.
• the food cutting apparatus comprises operating means 36 of the movable cutting tool 10.
• the operating means 36 are adapted to ensure a displacement of the cutting tool 10 in a reciprocating rectilinear motion in a direction of work indicated by the arrow F1 and in a return direction indicated by the arrow F2.
• the body 22 of the cutting tool 10 comprises, at a rear part, a coupling member 35 with the operating means 36. The cutting tool 10 then moves between:
• the operating means 36 are integrated in the chassis 1.
• the operating means 36 are motorized and comprise a drive member 37 complementary to the coupling member 35 of the cutting tool 10.
• the driving member 37 of the operating means 36 comprises a carriage 37a guided in translation which carries a lug 37b intended to engage in a complementary bore of the coupling member 35 of the cutting tool 10.
• the operating means 36 furthermore comprise an electric motor 38 of which an output shaft 43 drives a transmission system 40 adapted to provide a rectilinear reciprocal movement to the drive member 37.
• the operating means 36 of the cutting tool 10 thus comprise the electric motor 38 associated with the system. transmission 40 driving the cutting tool 10.
• the transmission system 40 comprises a distal housing 41 and a proximal housing 42 which enclose the components of the transmission system 40 and which are rigidly connected to each other.
• the electric motor 38 is fixed on the lower face of the distal housing 41.
• the tree 43 of the electric motor 38 drives an epicyclic reduction gear 44 comprising a transmission plate 48 carrying an off-center axis 53.
• the transmission plate 48 is mounted to rotate on itself along an axis ⁇ .
• the gearbox 44 comprises an input planetary gear 45 which is rotatably connected to the shaft 43.
• the gearbox 44 also comprises a fixed input ring 46 coaxial with the axis ⁇ of rotation of the shaft 43.
• the ring gear fixed input 46 is rotatably connected to the distal housing 41 and includes a toothing on its peripheral inner surface.
• the gearbox 44 also includes an input pinion gear 47 which meshes with the fixed input ring 46 as well as the input sun gear 45.
• the transmission plate 48 carries another off-axis 49 of rotation of the input pinion gear. 47.
• the off-center axis 53 and the other off-center axis 49 are arranged on two opposite faces of the transmission plate 48.
• the input satellite pinion 47 has a central bore 50 receiving the other off-center axis 49 of the transmission plate 48 .
• the transmission system 40 further comprises at the output an epicyclic gear train 57 comprising a fixed output ring 51 of axis ⁇ and therefore coaxial with the fixed input ring 46.
• the transmission plate 48 is interposed between the input ring fixed 46 and the fixed output ring 51.
• the fixed output ring 51 is rigidly connected to the fixed input ring 46 and comprises a toothing on its peripheral inner surface.
• the fixed input ring 46 and the fixed output ring 51 form, according to the illustrated example, a one-piece assembly 58 which is attached to the distal casing 41 and on which the proximal casing 42 engages.
• This one-piece assembly 58 then comprises a peripheral rib 59 situated between the fixed input ring 46 and the fixed output ring 51 which defines a bearing for rotating the transmission plate 48.
• the transmission system 40 also comprises a satellite output gear 52 which is guided in rotation on itself by the off-center axis 53 carried by the transmission plate 48.
• the transmission plate 48 carries the decentralized axis 53 of rotation.
• output pinion gear 52 The satellite pinion of output 52 carries, on its face opposite to the transmission plate 48, a cylindrical conformation 54 for driving the drive member 37 of the operating means 36.
• cylindrical conformation 54 is formed by a cylindrical lug and extends outside the proximal casing 42 by a rectilinear window 56 which extends along a diameter of the fixed output ring 51.
• the fixed output ring 51 has a diameter D51 which is substantially equal to twice the diameter D52 of the output planet pinion 52, as illustrated schematically in FIG. 9. Furthermore, the distance between the axis of rotation of the output planet pinion 52 and the axis of the cylindrical conformation 54 is substantially equal to the radius R52 of the output planet gear 52.
• the cylindrical conformation 54 thus presents a displacement along a trajectory substantially linear.
• the cylindrical conformation 54 is aligned with the axis ⁇ of rotation and the off-axis 53 forming the axis of rotation of the output planet gear 52, as well as with the window 56 when assembling or assembling the components of the transmission system 40.
• the cylindrical conformation 54 moves in alternative translation along a diameter d of the fixed output ring 51.
• the transmission system 40 could include a gear reducer 39 geared to drive the transmission plate 48.
• the start and stop of the electric motor 38 are provided by means control means 69 comprising a control member 69 placed on the cover 6.
• the control member 69 is formed by a push-button 60 movable in a substantially vertical translation between a raised position illustrated in FIG. a lowered position no represented.
• the control means comprise, on the other hand, a switch 61 which is located in the frame 1, more particularly in the trunk 2.
• the switch 61 is actuated via a control rod 62 located under the cover 6 when it is in place.
• the control rod 62 is disposed in a bore 63 arranged opposite the lid 6 occupying the locked position.
• control rod 62 is mounted in the frame 1, and the upper end of the control rod 62 is flush with an upper surface of the frame 1 located under the lid 6.
• the bore 63 preferably has dimensions sufficiently small to prevent maneuvering of the control rod 62 with the finger of a hand of an adult user, or even a child.
• the diameter of the latter will preferably be less than 1 cm.
• the diameter of the bore 63 is for example 6.5 mm.
• the push-button 60 is integral with an operating finger 64 which has a diameter smaller than that of the bore 63 and which is located opposite the bore 63 when the lid 6 is in the locked position and offset from the bore 63 when the lid 6 is in the unlocked position.
• the push button 60 is movably mounted against an elastic return element 66, as visible in Figures 2, 4 and 5.
• the food cutting apparatus according to the invention, thus constituted, is implemented in the following manner.
• the assembly formed by the cutting tool 10 and the complementary cutting tool 11 is placed in the head 3 of the frame 1, as shown in FIG. place on the head 3, so that the cutting tool 10, the complementary cutting tool 1 1 and the cutting zone 4 are not accessible from above the device.
• a pressure on the pushbutton 60 triggers the operation of the electric motor 38 and thus the setting in motion of the cutting tool 10.
• the switch 61 has a stable open position and an unstable closed position.
• the push button 60 must be held down to ensure continuous operation of the electric motor 38, while releasing the pushbutton 60 then causing a stop of the electric motor 38.
• FIG. 10 schematically shows the combined operation of the cutting tool 10 and the cutting tool.
• complementary 1 1 when cutting a potato.
• the main cutting edge 28 of the cutting tool 10 slices the portion of the potato in the cutting zone 4 between the cutting tool.
• the bevel 30 presses the cut portion against the cutting members 13 of the complementary cutting tool 1 1 so that the cut portion is sliced parallel to the extension direction ⁇ and thus divided into rods which are placed between the cutting members 13. The rods thus cut will then be expelled during the next passage of the cutting tool 10.
• heel 31 of the pressure shoe 29 contributes to ensuring a perfect engagement of the rods between the cutting members 13.
• the complementary cutting tool 1 1 preferably comprises a bearing stop 71 which extends transversely to the cutting plane C and is substantially facing the main cutting edge 28.
• the stop 71 is movable between a working position T, shown in solid lines in FIG. 7, and a retracted position A, illustrated in broken lines in Figure 7, wherein the stop 71 is erased below the plane of section C.
• the stop 71 is then controlled in the working position T by elastic return means 72 such as a coil spring.
• elastic return means 72 such as a coil spring.
• the complementary cutting tool 1 1 comprises a single series of cutting members 13.
• the cutting tool complementary 1 1 may also comprise a second series of other cutting members 73 as is illustrated in Figures 1 1 and 12.
• the other cutters 73 of the second series are parallel to each other and to the direction D of displacement of the cutting tool 10.
• Each other body of section 73 further extends in a plane substantially parallel to the direction ⁇ of extension of the chute 5.
• the first series of cutting members 13 and the second series of other cutting members 73 then define a cutting gate 17 for slicing food into cubes or small sticks.
• FIG. 13 illustrates another embodiment of the cutting tool 10 and of the complementary cutting tool 11.
• the cutting tool 10 comprises a second main cutting edge 75 substantially parallel to the cutting plane C and arranged to work in the direction of return indicated by the arrow F2.
• the second main cutting edge 75 is also associated with another pressing shoe 76 which comprises another bevel 77 inclined in a direction opposite to that of the wedge 30 of the pressing shoe 29 associated with the first main cutting edge 28.
• the complementary cutting tool 1 1 comprises a second stop 78 which as the stop 71 is movable between a working position T and a withdrawal position A.
• the second stop 78 can be made as the stop 71.
• FIG. 14 illustrates yet another embodiment of the cutting tool 10 according to which the latter comprises at least one and according to the illustrated example four secondary cutting blades 80 which are perpendicular to the main cutting edge 28 and substantially parallel to the direction ⁇ of extension of the chute 5.
• Such an embodiment of the cutting tool allows the latter to make cuts in sticks.
• the food cutting apparatus according to the invention is not necessarily used with a movable cutting tool 10 and a complementary cutting tool 1 1 fixed. Indeed, the food cutting apparatus according to the invention can be used with a single mobile cutting tool.
• FIG. 14 illustrates yet another embodiment of the cutting tool 10 according to which the latter comprises at least one and according to the illustrated example four secondary cutting blades 80 which are perpendicular to the main cutting edge 28 and substantially parallel to the direction ⁇ of extension of the chute 5.
• the food cutting apparatus according to the invention is not necessarily used with a movable cutting tool 10 and a complementary cutting tool 1 1 fixed. Indeed, the food cutting apparatus according to the invention can be used with a single mobile cutting tool.
• FIG. 15 illustrates a mobile cutting tool 10 'that can be used alone for the producing thin slices while Figure 16 illustrates a movable cutting tool 10 "that can be used alone for grating food
• the food cutting apparatus according to the invention can also be used with a single cutting tool 10; 10 '; 10 "mobile not necessarily removable relative to the frame 1.
• the control rod 62 is actuated via a transmission element 92 which is disposed in another bore 93 of a removable intermediate support 90 arranged between the frame 1 and the cutting tool 10.
• the upper end of the transmission element 92 is flush with an upper surface of the intermediate support 90 located under the cover 6.
• the pushbutton 60 is integral with the operating finger 64 which has a smaller diameter than that of the other bore 93 and which is located facing the other bore 93 when the cover 6 is in the locked position on the frame 1 and offset relative to the other bore
• the other bore 93 preferably has a diameter of less than or equal to 1 cm, while the diameter of the other bore 62 is, for example, 6 mm.
• a pusher 60 is depressed, the operating finger 64 is inserted into the other bore 93 and the transmission element 92 is inserted into the bore 63, so that the cover 6 is locked in the locked position on the frame 1.
• the cover 6 is not necessarily mounted to move in translation on the chassis 1 towards the locked position by means of pins 7 each cooperating with a locking ramp 8 carried by the chassis 1.
• the cover 6 may in particular be pivotally mounted relative to the frame 1 and occupy a locked position on the frame 1 in which the cover 6 covers the cutting zone 4 and the cutting tool 10; 10 '; 10 "so that these are not accessible from the top of the device The cover 6 can then be locked relative to the frame 1 by a movable latch mounted on the frame or on the cover 6.
• the cover 6 is not necessarily removably mounted relative to the frame 1, but may in particular simply be mounted movably on the frame 1 between the locked position and a position in which the cutting tool 10; 10 ';
• the present invention is in no way limited to the described exemplary embodiments and their variants, but encompasses many modifications within the scope of the claims.

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• Life Sciences & Earth Sciences (AREA)
• Forests & Forestry (AREA)
• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Food-Manufacturing Devices (AREA)

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• 2012
  • 2012-12-21 FR FR1262566A patent/FR2999899B1/fr active Active
• 2013
  • 2013-12-19 RU RU2015128796A patent/RU2015128796A/ru not_active Application Discontinuation
  • 2013-12-19 CN CN201380067449.3A patent/CN104870150A/zh active Pending
  • 2013-12-19 EP EP13827020.2A patent/EP2934833B1/de active Active
  • 2013-12-19 WO PCT/FR2013/053185 patent/WO2014096715A1/fr active Application Filing

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