JP5955189B2 - Cutting board with hinges - Google Patents

Description

  The present invention relates to a cutting board mainly used in general households.

  By forming two thin-walled hinges in the length direction of the cutting board, a central plate part is formed, and on the both sides of the central plate part, a cutting board in which two movable plate parts hinged to it are formed has been conventionally used. Exists. Such a cutting board is made by chopping ingredients such as vegetables, standing up the movable plate part, tilting the cutting board and sliding the ingredients, putting the ingredients on the cutting board and cooking in a pan, It is used after being transferred to a plate and serving as a raw vegetable salad. At this time, the food that slides on the surface of the cutting board is convenient because the movable plate portion does not spill from the side of the cutting board.

  The cutting board having a conventional hinge is formed so as to be bilaterally symmetric with respect to the center line extending in the longitudinal direction of the cutting board, so that both of the movable boards can be moved in a natural state with the rear edge of the cutting board facing the front of the body. When holding the board part with each hand, the longitudinal direction of the center board part of the cutting board is not tilted in the left or right direction of the person's body from the front center of the person's body. Extend to. Here, the longitudinal direction of the central plate portion takes two lines in the width direction extending perpendicularly to the longitudinal direction of the cutting board, and these two lines respectively extend through the center between the intersections where the two hinges intersect. Say the direction of a straight line. In a cutting board having a conventional hinge, as described above, since the two hinges are formed symmetrically with respect to the center line extending in the longitudinal direction of the cutting board, the longitudinal direction of the cutting board and the longitudinal direction of the central plate portion are The same direction. When putting chopped ingredients using such a cutting board into the pan, place the pan in the center of the front of the body, and use the left and right hands to move the front end or rear end of each movable plate. Hold it in front of your body, fold it with a hinge to stand up the movable plate, and tilt the cutting board downward so that its front edge is lowered. Thereby, foodstuffs are slid on the inclined center board part in the longitudinal direction, and are thrown into a pot etc. Since the longitudinal direction of the central plate portion and the longitudinal direction of the cutting board are the same direction, the foodstuff is parallel to the longitudinal direction of the cutting board.

When putting food ingredients into the pan, it is necessary to ensure that the sliding direction of the food ingredients does not tilt to the left or right from the front of the person holding the cutting board. is there. If the pan is left or left from the center of the front of the body, the ingredients are slid diagonally and put into the pan, but in that case, fold a wrist with a chopping board in your hand. You have to tilt it left or right, and you will have a cutting board in an unnatural state. If the cutting board is tilted downward in such an unnatural state, the wrists on both the left and right wrists are not symmetrical, and the wrist is burdened and smooth work cannot be performed. Moreover, when foodstuff slides diagonally, the input direction of the foodstuff to slide becomes uncertain, and the operation | work put into a pan or a deep dish cannot be performed smoothly. Therefore, when the pan is somewhat deviated from the center of the front of the body, the worker naturally turns the body toward the pan. That is, the worker unconsciously turns the front of the body toward the pan. Therefore, in any case, the foodstuff slides on the central plate portion diagonally forward and downward in the longitudinal direction and is put into the pan, and also slides in parallel with the longitudinal direction of the cutting board.

  By the way, since the cutting board having a hinge is made of synthetic resin, it is inevitable that a streak-like scratch perpendicular to the longitudinal direction of the cutting board is caused by the blade edge of the knife. In particular, most scratches occur in the central plate portion of the cutting board. As described above, in the conventional product, since the longitudinal direction of the cutting board and the longitudinal direction of the central plate portion extend in the same direction, the scratches on the cutting board extend perpendicularly to the longitudinal direction of the central plate portion. When the cutting board is used for a short period of time, the surface of the cutting board is less scratched, so that the engraved food material slides smoothly on the center board and is put into a pan or the like. However, when used for a long period of time, a number of scratches are generated at the knife edge, and the direction of the scratches is perpendicular to the longitudinal direction of the central plate, which is the direction in which the food material slides. Since the direction of the line-shaped wound and the direction in which the food material slides are perpendicular to each other, the food material is easily caught by the line-shaped wound and smooth sliding is hindered. As a result, the food to be thrown in remains so as to be caught by scratches on the surface of the cutting board, which must be dropped by hand. When food is put into a pan during cooking, when the food adhering to the cutting board is slid down by hand, there is a risk of hot steam rising from the pan hitting the hand and causing burns.

  Also, if you transfer the chopped vegetables to a deep dish and serve them as a raw vegetable salad, the opening of the deep dish is smaller than the opening of the cooking pan, so when you put the vegetables into the deep dish, the vegetables will open in the deep dish. There is a risk that it will fall off and fall around the deep dish. The same applies to the case where food is put into a small opening pan.

JP 2011-125523 A

  The present invention is a cutting board in which ingredients chopped on a cutting board are directly put into a pan by tilting the cutting board so that the front edge of the cutting board is lowered, and the cutting board is used on the surface of the cutting board for a long time. Even if a streak is caused by a blade, the chopped food is not easily obstructed by the scratches on the cutting board, and the chopped food can be used even if the opening of the container into which the food is put is relatively narrow. It is an object of the present invention to provide a cutting board with high work efficiency that can be reliably put into a container.

  The invention according to claim 1 has a front edge, a rear edge, and a pair of side edges, two hinges are formed, a central plate portion is formed between the two hinges, and the center A cutting board in which two movable plate portions hinged to the plate portion are formed on both sides of the plate portion. The first hinge extends from the rear end edge to the front end edge, and the second hinge It extends from any one of the edge, the front edge and the side edge to any one of the remaining edges, and at least 1 when the direction from the rear edge to the front edge is the longitudinal direction of the cutting board One hinge extends from the rear end toward the front end and is inclined with respect to the longitudinal direction of the cutting board in a direction approaching one side edge, and the other one hinge extends toward the front end from the rear end toward the front end. Close to the one side edge in the longitudinal direction Ku is configured to extend drives out angle greater than 0 ° direction.

  In the invention according to claim 2, when the rear ends of both hinges are on the rear end edge of the cutting board, the center of the rear end edge of the portion related to the central plate portion of the cutting board is from the center of the rear end edge of the cutting board. It is a biased configuration.

  The invention described in claim 3 is a configuration in which a handle extending from the rear end edge of the portion related to the central plate portion is provided.

  The invention according to claim 4 is configured such that a center line extending forward in the longitudinal direction of the handle itself is inclined with respect to the longitudinal direction of the cutting board.

The invention according to claim 5 is characterized in that the two hinges are inclined with respect to the longitudinal direction of the cutting board so as to approach the same side edge from the rear end of the hinge on the rear end edge of the cutting board to the front end of the hinge on the front end edge. It is the composition extended.

  The invention according to claim 6 is a configuration in which the knob portion is provided so as to protrude from the rear end edge of the portion of the cutting board related to the at least one movable plate portion.

  The invention according to claim 7 is configured such that one end portion of the base of the knob portion with respect to the movable plate portion has the same position as the rear end of the hinge.

According to the first aspect of the present invention, two hinges are formed on the cutting board, and at least one hinge extends incline with respect to the longitudinal direction of the cutting board in a direction approaching one side edge from the rear end toward the front end. The other hinge extends from the rear end toward the front end with an angle of 0 degrees or more in a direction approaching the one side edge with respect to the longitudinal direction of the cutting board. As described above, the longitudinal direction of the central plate portion takes two lines in the width direction extending perpendicular to the longitudinal direction of the cutting board, and these two lines pass through the center between the intersections where the two hinges intersect each other. In the cutting board according to the present invention, the longitudinal direction of the central plate portion is inclined with respect to the longitudinal direction of the cutting board. And as mentioned above, when food is put into the pan, it is natural that the direction in which the food slides does not tilt in the left or right direction from the front of the body of the person holding the cutting board. Needed to do in state. Since the chopped food material slides on the central plate part between the standing movable plate parts, in order to put the food material into the pan most efficiently, the sliding direction of the food material is the same as the longitudinal direction of the central plate part. Is natural. Therefore, the operator inevitably slides the food so that the longitudinal direction of the central plate portion, which is the direction in which the food slides, does not tilt in the left or right direction from the front of the body of the person holding the cutting board. Put in the pan. When throwing in this way, a foodstuff slides on a cutting board in the state inclined with respect to the streak-like wound attached to the center board part. Then, since the sliding food is hooked diagonally rather than perpendicular to the streak, the resistance that the streak gives to the food becomes weaker than when the food is sliding perpendicular to the wound, The sliding of the food is performed more smoothly than the conventional product.

In the invention according to claim 2, when the rear ends of both hinges are on the rear end edge of the cutting board, the center of the rear end edge of the portion related to the central plate portion of the cutting board is from the center of the rear end edge of the cutting board. It is biased. As described above, since the center line in the longitudinal direction of the central plate portion is inclined with respect to the center line in the longitudinal direction of the cutting board, the center of the rear edge of the portion related to the central plate portion is assumed to be the cutting board. When it is at the same position as the center of the rear edge, the entire central plate portion is too close to one side of the cutting board, so that the central plate portion can be arranged closer to the center of the cutting board by shifting both centers.

The invention according to claim 3 is provided with a handle extending from the rear end edge of the portion related to the central plate portion. Since the handle extends from the rear end edge of the portion related to the central plate portion, the cutting board can be held in a stable state by grasping the handle.

In the invention according to claim 4, the center line extending forward in the longitudinal direction of the handle itself is inclined with respect to the longitudinal direction of the cutting board. The cutting board with the handle direction set in this way is novel and can attract the buyer's attention and stimulate their willingness to purchase.

  The invention according to claim 5 is characterized in that the two hinges are inclined with respect to the longitudinal direction of the cutting board so as to approach the same side edge from the rear end of the hinge on the rear end edge of the cutting board to the front end of the hinge on the front end edge. And extended. Therefore, since both the movable plate parts exist from the rear end to the front end of the central plate portion, when the chopped food material is slid in the direction to put into the pan, the food material is moved to the front end of the central plate portion. The food can be prevented from spilling to the side until it is put into the pan from the edge. Further, the front end edge of the central plate portion at the time of feeding the food is inclined with respect to the pan, and one end portion of the front end edge of the central plate portion protrudes forward from the other end portion. If the cutting board is tilted so that the hinge on the end of the protruding central plate is lower than the other hinge when the food is added, the food moves from the protruding part while moving to the lower side of the cutting board. Since it is thrown in, the ingredients are thrown into the pan while sliding within a narrow range. Therefore, even if the opening of the pan is narrow, the foodstuff can be reliably put into the pan without coming off the opening.

  The invention according to claim 6 is provided such that the knob portion protrudes from the rear end edge of the portion of the cutting board related to the at least one movable plate portion. Therefore, even when food is chopped over a wide area of the cutting board, if the movable plate part is raised by picking the knob, the finger does not touch the surface of the cutting board, but the finger touches the food that is engraved or the moisture that comes from the food It won't get wet.

  According to the seventh aspect of the present invention, one end of the base of the knob with respect to the movable plate has the same position as the rear end of the hinge. Therefore, when the knob is gripped and bent while the movable plate is rotated, the rotation centers of the knob and the movable plate are at the same position, so that the rotation can be performed without difficulty.

It is a top view of the present invention. It is a bottom view of the present invention. It is a side view of the present invention. It is an AA expanded sectional view in FIG. It is the perspective view seen from the handle | steering-wheel side in the state which stood the movable board part. It is a top view of the state which stood up the movable plate part.

  Next, embodiments of the present invention will be described. The cutting board 1 has a front end edge 2, a rear end edge 3, and a pair of side edges 4 and 5. The front end edge 2 and the rear end edge 3 form a straight line, but the side edges 4 and 5 each have a gentle arc shape protruding outward. Further, the cutting board 1 is formed with a first hinge 6 and a second hinge 7 extending from the rear end edge 3 to the front end edge 2. By forming the two hinges 6, 7, a central plate portion 8 is formed between them, and two movable plate portions 9, 10 hinged to the central plate portion 8 are formed on both sides of the central plate portion 8. Is done. Both movable plate portions 9 and 10 are rotatable with respect to the central plate portion 8 with the hinges 6 and 7 as the rotation centers. As shown in FIG. 4, the first hinge 6 is formed by providing a V groove 12 on the bottom surface 11 of the cutting board 1 and providing a shallow groove 25 on the upper surface 14 of the cutting board 1. Similarly, the second hinge 7 is formed by providing a V groove 13 on the bottom surface 11 of the cutting board 1 and providing a shallow groove 34 on the upper surface 14 of the cutting board 1. Therefore, any of the movable plate portions 9 and 10 can be rotated toward the upper surface 14 side of the cutting board 1. The cutting board 1 is formed by injection molding of polypropylene, but the material and manufacturing method are not limited to this.

  The first hinge 6 extends in a direction approaching one of the side edges 5 from the rear end 15 toward the front end 16, and is inclined with respect to the longitudinal direction of the cutting board 1. The second hinge 7 also extends in a direction approaching one side edge 5 from the rear end 17 toward the front end 18, and the second hinge 7 is also inclined with respect to the longitudinal direction of the cutting board 1. . The inclination angle of the first hinge 6 with respect to the longitudinal direction of the cutting board 1 is about 8 degrees, and the inclination angle of the second hinge 7 is about 14 degrees. Of course, the present invention is not limited to this value. is there. The inclination angles of the hinges 6 and 7 may be the same. Further, any one of the hinges 6 and 7 may be parallel to the longitudinal direction of the cutting board 1 without being inclined. By forming the hinges 6 and 7 in this way, the width of the central plate portion 8 becomes a shape that widens toward the front.

  Since both the first hinge 6 and the second hinge 7 are inclined with respect to the longitudinal direction of the cutting board 1 so as to approach one side edge 5 as going forward, the first hinge 6 and the second hinge 7 are between the hinges 6 and 7. The longitudinal direction of the formed central plate portion 8 is also inclined with respect to the longitudinal direction of the cutting board 1. As described above, the longitudinal direction of the central plate portion 8 takes two lines in the width direction extending perpendicularly to the longitudinal direction of the cutting board 1, and the intersection points where the two lines intersect with the two hinges 6 and 7, respectively. The direction of a straight line extending through the center between. That is, as shown in FIG. 1, intersecting points 19 and 20 of a width direction line extending perpendicularly to the longitudinal direction of the cutting board 1, for example, a width direction line Y at a certain point, and the first hinge 6 and the second hinge 7. A straight line connecting two centers 21, 24, a center direction 21 between the center 21 between them and a width direction line Z at some other point and the intersections 22, 23 between the first hinge 6 and the second hinge 7. Assuming that the longitudinal center line X of the central plate portion 8 is the longitudinal direction center line X, the longitudinal direction of the central plate portion 8 becomes the longitudinal direction.

  The cutting board 1 has a handle 26. As shown in FIG. 1, the handle 26 is formed integrally with the rear end edge 3 of the portion related to the central plate portion 8 of the cutting board 1. The center line extending in the longitudinal direction of the handle 26 coincides with the longitudinal center line X of the central plate portion 8, and the handle 26 is formed to be inclined with respect to the longitudinal direction of the cutting board 1. The handle 26 includes a substantially circular gripping portion 27 and a narrower neck portion 28. When holding the cutting board 1 by grasping the handle 26, the cutting part 1 can be held securely by wrapping the gripping part 27 with the palm and grasping the neck part 28 with the thumb and forefinger. Will not drop. Further, as shown in FIG. 3, the handle 26 is bent so as to rise smoothly and gradually as it goes rearward. Thereby, the handle 26 of the cutting board 1 mounted on the cooking table can be easily grasped. In addition, the code | symbol 32 is a hole for suspension.

  Knob portions 30 and 31 extending rearward of the cutting board 1 are integrally formed on the rear end edge 3 of the cutting board 1 relating to both the movable plate portions 9 and 10. By grasping the respective movable plate portions 9 and 10 with both hands, the movable portions 9 and 10 can be turned upright about the hinges 6 and 7. The base of one knob 30, that is, the end of the boundary between the knob 30 and the movable plate 9 (the reference numeral is not attached) near the center plate 8 is the rear end 15 of the first hinge 6. The position is the same. Further, the base of the other knob 31, that is, the end of the boundary between the knob 31 and the movable plate 10 (the reference numeral is not attached) near the center plate 8 is the rear end of the second hinge 7. 17 and the same position. Therefore, when the gripping portions 30 and 31 are gripped and bent while the movable plate portions 9 and 10 are rotated, the rotation centers of the knob portions 30 and 31 and the movable plate portions 9 and 10 are at the same position. The rotation can be performed without difficulty. Further, the length of the rear edge (not denoted by reference numeral) of the portion of the cutting board 1 relating to the movable plate portion 9 is the same as the length of the root of the knob portion 30 protruding from the rear edge. On the other hand, the length of the rear edge 13 (including the boundary with the knob 31) of the portion of the cutting board 1 relating to the movable plate 10 is the root of the knob 31 protruding from the rear edge 13. Longer than the length.

  Next, the size of this embodiment will be described. The length from the front edge 2 to the rear edge 3 of the cutting board 1 is about 295 mm, and the total length of the cutting board 1 including the handle 26 is about 338 mm. The maximum width of the cutting board 1 which is the maximum width between the side edges 4 and 5 extending in an arc is about 225 mm. The distance between the tangent extending longitudinally on the arcuate side edge 4 and the front end 16 of the first hinge 6 is approximately 76 mm. The distance between the tangent extending in the longitudinal direction on the arcuate side edge 5 and the front end 18 of the second hinge 7 is about 31 mm. Therefore, the length of the front end edge 2 of the portion related to the central plate portion 8, that is, the length between the front end 16 of the first hinge 6 and the front end 18 of the second hinge 7 is about 118 mm. The distance between the tangent extending in the longitudinal direction on the side edge 4 extending in an arc shape and the rear end 15 of the first hinge 6 is about 33 mm. The distance between the tangent extending in the longitudinal direction on the arcuate side edge 5 and the rear end 17 of the second hinge 7 is about 110 mm. Therefore, the length of the rear end edge 3 of the portion related to the central plate portion 8, that is, the length between the rear end 15 of the first hinge 6 and the rear end 17 of the second hinge 7 is about 82 mm. The center of the rear end edge of the portion related to the central plate portion 8 is deviated from the center of the rear end edge 3 of the cutting board 1 by about 40 mm. The knob portion 30 is formed so as to become narrower as it goes rearward, and the boundary with the movable plate portion 9 is the widest and is about 29 mm. The main part of the knob 31 has a uniform width and a width of about 35 mm. Moreover, the thickness of the cutting board 1 is about 4.5 mm. The depth of the V-grooves 12 and 13 constituting both the hinges 6 and 7 is about 3.6 mm. Therefore, the thickness of both the hinges 6 and 7 is 0.9 mm. Although the size is as described above, it is needless to say that the present invention is not limited to these numerical values.

  Next, the usage method of this invention is demonstrated. As shown in FIG. 6, the normal usage method is that when the food is finished, the handle 26 is directed toward the front, both the knobs 30 and 31 are picked by the respective hands, and the movable plate is centered on both hinges 6 and 7. Standing while rotating the parts 9 and 10. In that case, the central plate portion 8 is kept in a horizontal state. Next, the front end edge 2 of the central plate portion 8 is positioned above the pan where the ingredients are to be added, and the front end edge 2 is lowered so that the cutting board 1 is inclined downward. When holding both knobs 30 and 31 with their respective hands in the natural state, the longitudinal direction of the central plate 8 is in the left or right direction of the person's body from the front center of the person's body. Extends forward of the body without tilting. Thereby, foodstuffs are thrown into a pan, sliding on the center board part 8 in the longitudinal direction. An arrow 33 indicates the longitudinal direction of the central plate portion 8, and the food material slides in the same direction as the arrow 33. As is clear from FIG. 6, since the arrow 33 is inclined with respect to the scratch 29 generated on the surface of the cutting board 1, the food material slides in a state inclined with respect to the scratch 29, so that the food material is caught by the scratch 29. It can be put into the pan smoothly and smoothly.

  Next, the usage method when the opening of the pan to be introduced is narrow will be described with reference to FIG. In the conventional cutting board having a hinge, when the opening of the pan is narrow, the ingredients to be thrown out of the opening are not put into the pan. Therefore, in this embodiment, when the ingredients have been cut, first, the movable plate portions 9 and 10 are raised. Next, the cutting board 1 is moved slightly to the right so that the front end 18 of the second hinge 7 on the left side is located near the center of the opening of the pan to which the food is to be poured. Next, the cutting board 1 is tilted so that the second hinge 7 on the left side is lower than the first hinge 6 on the right side. Thereby, a foodstuff approaches the 2nd hinge 7 side. If you do not come close, use a knife or hand. Next, the cutting board 1 is tilted so that the front edge 2 of the cutting board 1 is lower than the rear edge 3. In this case, the cutting board 1 is brought close to the pan until the front end 18 of the second hinge 7 exceeds the opening of the pan. Then, the ingredients are put into the pan with the foods slightly left. In this case as well, it is natural to have the cutting board 1 so that the longitudinal direction of the central board portion does not tilt in the left or right direction from the front of the body of the person holding the cutting board. When the cutting board 1 is held in this way, as shown in FIG. 5, the front edge 2 of the cutting board 1 retreats toward the front as it goes to the right side. Therefore, the front end 18 of the second hinge 7 can reach the inside of the pan beyond the opening of the pan. This is because the second hinge 7 can be advanced by the amount by which the right side of the front edge 2 of the cutting board 1 is retracted until the front edge 2 hits the edge of the pan opening. Thereby, since the part of the cutting board 1 near the front end 18 of the second hinge 7 has reached the inside of the pan, the ingredients can be reliably put into the pan. A cutting board having a conventional hinge is such that the front edge of the cutting board is parallel to the opening of the pan when the ingredients are added, so the front edge hits the edge of the opening of the pan before the hinge reaches the inside of the pan. It cannot reach the inside of the pan, and the ingredients fall outside the pan opening.

  As another method, a case where the food is put in with the handle 26 will be described. For example, when the amount of chopped food is relatively small and it is not necessary to raise the movable plate portions 9 and 10 when the food is put into the pan, the pan is placed on the front of the body and the handle 26 is placed at the center of the front of the body. When holding the cutting board 1 with the hand, the longitudinal direction of the central plate portion 8 does not tilt left and right from the front of the body, as in the case described above, and the cutting board 1 is tilted downward so that the food is fed to the central plate portion. 8 can be slid in the longitudinal direction. Thereby, foodstuffs are slid on the center board part 8 in the longitudinal direction, and are thrown into a pan.

  In addition, this invention can take a various aspect based on the structure mentioned above. For example, as a matter of course, in addition to the two hinges 6 and 7 described above, other hinges may be provided as necessary. A cutting board that does not have the handle 26 or the knobs 30 and 31 may be used. A scale may be provided on any surface of the cutting board 1. Further, a hanging hole may be provided near the front end edge 2 of the central plate portion 8. Both the hinges 6 and 7 are not limited to those extending from the rear end edge 3 to the front end edge 2, and one end of the hinges 6 and 7 may be present on the side edge 4 or the side edge 5. Good. Although the embodiment is formed for right-hand use, the handle 26 is bent toward the bottom surface 11, the V grooves 12 and 13 of the hinges 6 and 7 are formed on the top surface 14, and the shallow grooves 25 and 34 are provided on the bottom surface 11. Thus, it may be formed for left-handed use. Alternatively, the handle 26 may be planar without bending, and the right and left-handed left and right handed may be used by making the V-grooves 12 and 13 and the shallow grooves 25 and 34 have the same depth.

When putting chopped ingredients on a cutting board directly into a pan, the sliding of the ingredients is not easily prevented by scratches on the chopping board, and even if the opening of the container into which the ingredients are put is relatively narrow, the chopped ingredients are put into the container. It can be reliably inserted,

  DESCRIPTION OF SYMBOLS 1 Cutting board 2 Front edge 3 Rear edge 4 Side edge 5 Side edge 6 First hinge 7 Second hinge 8 Center plate part 9 Movable plate part 10 Movable plate part 11 Bottom surface 12 V-groove, 13 V-groove, 14 upper surface, 15 rear end of first hinge, 16 front end of first hinge, 17 rear end of second hinge, 18 front end of second hinge, 19 intersection point, 20 intersection point , 21 center, 22 intersection, 23 intersection, 24 center, 25 shallow groove, 26 handle, 27 gripping part, 28 neck, 29 wound, 30 picking part, 31 picking part, 32 holes, 33 arrow, 34 shallow groove

Claims (7)

Two hinges are formed with a front edge, a rear edge, and a pair of side edges. A central plate portion is formed between the two hinges, and hinges are connected to both sides of the central plate portion. The first hinge extends from the rear end edge to the front end edge, and the second hinge includes the rear end edge, the front end edge, and the side edge. The at least one hinge extends from the rear end to the front end when the direction from the rear end edge to the front end edge is the longitudinal direction of the cutting board. The one hinge extends in a direction closer to one side edge with respect to the longitudinal direction of the cutting board, and the other one hinge extends from the rear end toward the front end with respect to the longitudinal direction of the cutting board. Angle of 0 degree or more in the direction approaching the edge The extending Te Tsu, cutting board characterized by. The center of the rear end edge of the portion related to the central plate portion of the cutting board is offset from the center of the rear end edge of the cutting board when the rear ends of both hinges are on the rear end edge of the cutting board. Chopping board. The cutting board according to claim 1 or 2, wherein a handle extending from a rear end edge of the portion related to the central plate portion is provided. The cutting board according to claim 3, wherein a center line extending forward in the longitudinal direction of the handle itself is inclined with respect to the longitudinal direction of the cutting board. The two hinges extend from the rear end of the hinge on the rear end edge of the cutting board to the front end of the hinge on the front end edge so as to be inclined with respect to the longitudinal direction of the cutting board so as to approach the same side edge, respectively. The cutting board as described in any one of thru | or 4. The cutting board as described in any one of Claim 1 thru | or 5 provided so that the knob | pick part may protrude from the rear-end edge of the part which concerns on the at least 1 movable board part of a cutting board. The cutting board according to claim 6, wherein one end of the base of the knob with respect to the movable plate has the same position as the rear end of the hinge.

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