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
  • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
  • B26D5/08—Means for actuating the cutting member to effect the cut
  • B26D5/14—Crank and pin means
• • 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
• • 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
  • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
  • B26D5/08—Means for actuating the cutting member to effect the cut

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 comprises a feed chute to cut that is secured to the frame and located above the cutting area being fixed relative to the cutting area and which extends 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.
• Such a household linear cutting device then allows to cut food slices or to grate them to form filaments.
• the operating means of the cutting tool are particularly bulky and have the disadvantage of having operating points in which the forces are unbalanced, which induces operating noise and premature wear of the various moving parts .
• the invention relates to a food cutting apparatus comprising:
• 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 movable cutting tool which comprise a transmission system driving the cutting tool.
• the transmission system comprises:
• a transmission plate which is movable in rotation along the main axis and which carries an off-axis axis of rotation of the output planet pinion
• the fixed output ring having a diameter substantially double that of the output satellite pinion, and the distance between the axis of rotation of the output satellite pinion and the axis of the cylindrical conformation being substantially equal to the radius of the output satellite pinion , so that the cylindrical conformation has a displacement in a substantially linear trajectory.
• Such an embodiment makes it possible to reduce the friction at the sliding connection ensuring the driving of the cutting tool, so that it is not necessary to use one or more ball bearings at the level of the this slide link.
• This kinematics also avoids the risk of jamming and thus blocking the means of maneuvering during the cutting of food.
• This kinematics also reduces the cantilever at the level of the transmission of the forces of the operating means towards the cutting tool, which induces a better efficiency than that of the systems according to the prior art, so that it is it is possible to reduce the power of the motor for a power available at the level of the cutting tool equivalent to that of the apparatus according to the prior art.
• this kinematics makes it possible to reduce greatly the size of the transmission system compared to systems with rod and eccentric wheel.
• the cylindrical conformation drives in translation a drive member mounted in the frame and the cutting tool is engaged with the drive member.
• the cutting tool is not in direct contact with the cylindrical conformation.
• the transmission system comprises a gearbox driving the transmission plate.
• the reducer comprises:
• the transmission plate being interposed between the fixed input ring and the fixed output ring and carrying another axis off center of rotation of the input satellite pinion.
• the fixed input ring and the fixed output ring form a one-piece assembly.
• the components of the transmission system are enclosed in a proximal housing located on the side of the cylindrical conformation and a distal housing located opposite the proximal housing relative to the transmission plate, the proximal housing and the distal housing being rigidly connected to each other.
• the proximal casing comprises a rectilinear window of passage of the cylindrical conformation.
• the main axis, the axis of rotation of the output satellite pinion and the axis of the cylindrical drive conformation are aligned during assembly of the transmission system.
• the transmission system can be permanently integrated into the chassis or on the contrary be adapted to the latter so as to be easily removable.
• the transmission system is housed in a transmission block removably adapted to the cover.
• the cover comprises means for fixing by interlocking the transmission block.
• the operating means may comprise an electric motor integrated in the frame or the cover.
• the operating means may also include an electric motor belonging to a removable engine block.
• the operating means may also be driven by an electric motor belonging to a motor unit independent of the food cutting apparatus.
• the operating means comprise an electric motor driving the transmission system.
• the electric motor is housed in a removable engine block.
• the motor unit is removably fitted on the transmission block.
• the engine block is adapted to drive at least one other household accessory that the transmission block, for example a whip or a mixer foot.
• the operating means are integrated in the frame and comprise an electric motor driving the transmission system.
• the electric motor drives the reducer.
• 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 illustrated in FIG.
• Figure 3 is a perspective view similar to Figure 1 of the cutting apparatus with the cover removed.
• FIG. 4 is a perspective view of a cutting tool and a complementary cutting tool that can equip together the cutting apparatus according to the invention.
• FIG. 5 is a longitudinal sectional view of the cutting tool and the complementary cutting tool illustrated in Figure 4.
• FIG. 6 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. 7 is a kinematic diagram of part of the transmission system illustrated in FIG. 6.
• Figure 8 is a schematic view of the combined operating principle of the cutting tool and the complementary cutting tool.
• Figures 9 and 10 are similar to Figures 4 and 5, showing an alternative embodiment of the cutting tool and the complementary cutting tool.
• Figure 1 1 is a view similar to Figure 5 showing another embodiment of the cutting tool and the complementary cutting tool.
• Fig. 12 is a partial perspective view of an embodiment of the cutting tool.
• FIG. 13 and 14 illustrate in perspective cutting tools that can be used with the cutting apparatus according to the invention.
• FIG. 15 illustrates an alternative embodiment of the cutting apparatus according to the invention with removable motorized operating means.
• the food cutting apparatus 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 which extends as a door. on the 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 below.
• the food cutting apparatus also comprises a food chute 5 to cut which is integral with the frame 1 and is located 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. direction ⁇ substantially vertical.
• 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 lid 6 can be placed in a locked position on the frame 1, illustrated in FIGS. 1 and 2, in which the lid 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 these are not accessible from the top of the apparatus
• 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 January 1 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 1 1.
• the cutting tool 10 is, in this case, movable in translation in a direction D substantially normal to the direction ⁇ of extension of the chute 5.
• the tool 10 and the complementary cutting tool 11 are removable.
• the complementary cutting tool 11 comprises, as shown more particularly in FIGS. 4 and 5, a body 12 of substantially general shape. cuboid.
• 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 1 1, so that the cutting tool 10 and the complementary cutting tool 1 1 are connected to each other by a slide connection ensuring the guiding of 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 plane of section C.
• the pressing 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 cutting tool 10 is thus movable relative to the frame 1 at least in the cutting zone 4, reciprocating in the plane of section C.
• the operating means 36 are integrated in the frame 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 transmission system 40 comprises a distal housing 41 and a proximal housing
• the electric motor 38 is fixed on the lower face of the distal housing 41.
• the 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 rotatably mounted on itself along a main axis ⁇ .
• the gearbox 44 comprises an input sun gear 45 rotatably connected to the output shaft 43 coaxial with the main axis ⁇ .
• the gearbox 44 also comprises a fixed input ring 46 coaxial with the main axis ⁇ .
• the fixed input ring 46 is rotatably connected to the distal housing 41 and has a toothing on its peripheral inner surface.
• the gearbox 44 also includes an input satellite pinion 47 which meshes with the fixed input ring 46 as well as the input sun gear 45.
• the transmission system 40 further comprises at the output an epicyclic gear train 57 comprising a fixed output ring 51 coaxial with the main axis ⁇ and thus coaxial with the fixed input ring 46.
• the transmission plate 48 is interposed between the ring stationary input 46 and the fixed output ring 51 and carries another off-center axis 49 of rotation of the input satellite pinion 47.
• the off-center axis 53 and the other off-center axis 49 are arranged on two opposite faces of the plateau of transmission 48.
• the input satellite pinion 47 has a central bore 50 receiving the other off-center axis 49 of the transmission plate 48.
• 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 housing 41 and on which the proximal housing 42 engages.
• monoblock 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. of the satellite output gear 52.
• the satellite output gear 52 carries, on its face opposite 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. 7. 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 main axis ⁇ and with the off-centered axis 53 forming the axis of rotation of the output planet pinion 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 the diameter d of the fixed output ring 51.
• the transmission system 40 could in particular comprise a gearbox 39 with gears driving the transmission plate 48.
• the starting and stopping of the electric motor 38 are ensured by means of a push button 60 placed on the removable cover 6.
• the pushbutton 60 is adapted to actuate a rod 61 for controlling a switch located under the cover 6 when it is in place.
• the rod 61 is disposed in a bore 62 of the head 3 so as to be flush with an upper surface of said head 3.
• the bore 62 has dimensions sufficiently small to prevent maneuvering of the rod 61 with a finger. In the case of a cylindrical bore 62 of revolution, the diameter of the latter will preferably be less than 1 cm.
• the diameter of the bore 62 is for example 6.5 mm.
• the food cutting apparatus according to the invention is implemented in the following manner.
• the user selects for example the assembly formed by the cutting tool 10 and the complementary cutting tool January 1 and places it in the head 3 of the frame 1, as shown in Figure 3. Then, the lid 6 is placed 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. Insofar as the lid 6 is properly placed, 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. In order to increase the safety of the apparatus, according to a preferred but not strictly necessary embodiment of the invention, the push-button 60 must to be kept depressed to ensure continuous operation of the electric motor 38, while releasing the pushbutton 60 then causing a stop of the electric motor 38.
• the shaft 43 of the electric motor 38 drives the transmission plate 48 of the gearbox 44 via the input sun gear 45 and the input planet pinion 47.
• the output planet pinion 52 mounted on the off-axis of the transmission plate 48 is then rotated in the fixed output ring 51.
• the cylindrical conformation 54 carried by the output satellite pinion 52 then circulates linearly in the window 56 to drive the drive member 37 in engagement with the movable cutting tool 10.
• the food cutting apparatus equipped with the transmission system 40 according to the invention thus has an efficient and compact transmission.
• FIG. 8 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. complementary cutting 1 1 and the cutting plane C.
• 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 direction ⁇ extension and thus divided into rods which are placed between the cutting members 13. The rods thus cut will then be expelled on the next passage of the cutting tool 10.
• the 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 opposite the main cutting stop 28.
• the stop 71 is movable between a working position T, shown in solid lines in FIG. 5, and a withdrawal position A, illustrated in broken lines in Figure 5, wherein the stop 71 is erased below the plane of section C.
• the stop 71 is then locked 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 9 and 10.
• the other cutters 73 of the second series are parallel to each other and to the direction of travel D of the cutting tool 10.
• Each other cutting member 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 members cutting 73 then define a cutting grid 17 for slicing food in cubes or small rods.
• FIG. 11 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. 12 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. 13 illustrates a movable cutting tool 10 'that can be used alone for producing thin slices while
• FIG. 14 illustrates a movable cutting tool 10' capable of being used alone for grating food.
• apparatus according to the invention can also be used with a single cutting tool 10; 10 '; 10 "mobile not necessarily removable from the frame 1.
• the electric motor 38 is integrated in the trunk 2 permanently integral with the head 3.
• the electric motor 38 can also be integrated in a block removably adapted to the head 3.
• Such a block can then comprise both the transmission system 40 and the electric motor 38 forming a one-piece assembly or on the contrary be formed by an assembly of easily removable elements by a user of the apparatus according to the invention .
• Figure 15 illustrates an alternative embodiment of a food cutting apparatus according to the invention, the transmission system 40 and the electric motor 38 are removable by being separable from one another.
• the trunk 2 of the frame 1 is hollow so as to form a container for receiving the cut food at the head 3 which is removably fitted on the trunk 2.
• the head 3 is intended to receive the tools cutting 10; 10 '; 10 "as previously described in relation with FIGS. 1 to 14.
• the operating means 36 comprise a motor block 100 removably fitted on a transmission block 101.
• the electric motor 38 is housed in the removable motor block 100.
• the transmission system 40 as described with reference to FIGS. 6 and 7, is housed in the transmission block 101 removably fitted on the cover 6.
• the transmission block 101 may in particular be removably fitted to the chassis 1.
• the engine block 100 may be of any suitable type and, for example, be formed by an engine block intended to drive or equip different types of accessories. such as a mixer foot or a whip.
• the cover 6 comprises fixing means 102 which, according to the illustrated example, have a hollow shape 103 complementary to a lower portion 104 of the transmission block 101 so as to that the latter fits in part and is immobilized there at least in translation in a plane parallel to the direction of nesting.
• the hollow form 103 is arranged in part at least in the cover 6 to form the attachment means 102 by interlocking the transmission block 101.
• the electric motor 38 is integrated in the trunk 2 permanently adapted to the cutting head 3.
• the electric motor 38 can also be integrated in the cover 6; the electric motor 38 can also be integrated in a housing removably fitted to the food cutting apparatus, in particular on the frame 1 or on the lid 6.
• the operating means 36 do not necessarily include an electric motor 38 integrated in the food cutting apparatus.
• the food cutting apparatus may include a transmission system 40 associated with a motor block independent of the frame and the lid, the food cutting device then forming an accessory used with the motor unit.

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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 FR1262572A patent/FR2999900B1/fr not_active Expired - Fee Related
• 2013
  • 2013-12-19 CN CN201380067458.2A patent/CN104936752B/zh active Active
  • 2013-12-19 WO PCT/FR2013/053184 patent/WO2014096714A1/fr active Application Filing
  • 2013-12-19 EP EP13827019.4A patent/EP2941334B1/fr active Active

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