JP3216878U - Firewood cutter - Google Patents

Abstract

A scissors cutter that can stably and accurately determine the incision position of a scissors and improve the safety and efficiency of the scissors. A cocoon cutter 10 for incising a silkworm cocoon, having an opening 27, holding the razor 12 so that the blade of the razor 12 faces the opening 27, and can be held with one hand. The holder 13 is provided. [Selection] Figure 1

Description

  The present invention relates to a cocoon cutter used when a silkworm cocoon is incised to take out the cocoon.

  Conventionally, when removing a cocoon from a silkworm cocoon, the cocoon is incised with a commercially available cutter knife held in one hand and held in the other hand (see, for example, Patent Document 1).

JP-A-5-186904

  However, the conventional method described above has a problem in that it cannot be accurately positioned because the incision position of the eyelid is determined by visual observation. Further, since the blade of the cutter knife is exposed, there is a problem that there is a high risk of injury to the finger during the incision operation. Furthermore, in the case of an unskilled person, there is a problem that the efficiency of the incision work is lowered.

  The present invention has been made to solve the above-described problems, and provides a scissor cutter that can stably and accurately determine a scissor incision position, and can improve the safety and efficiency of incision work. It is intended to provide.

  To achieve the above object, the present invention is a cocoon cutter for incising silkworm cocoons, having an opening, and holding the razor so that a razor blade faces the opening. It is characterized by having a holder that can be gripped with.

  According to this feature, the eyelid can be incised stably and accurately, and the safety and efficiency of the incision work can be improved.

  In the scissor cutter according to the present invention, the razor is held by the holder so as to obliquely cross the opening, and the opening is vertically oriented around the opening from below the horizontal holder. It is preferable that the upper portion of the ridge is formed to have a width that protrudes from the opening when the heel is pressed.

  According to this feature, the incision position of the eyelid can be accurately positioned by pressing the upper part of the eyelid around the opening. In addition, since the incision work can be performed by moving the scissors along the opening, the work efficiency is not lowered even by an unskilled person in the incision work. In addition, since the razor blade is not exposed, the risk of injury to the finger during the incision operation is low, and the safety of the incision operation can be improved.

  In the scissors cutter according to the present invention, it is preferable that the holder includes a holder base and a holder lid superposed on the holder base, and the razor is sandwiched between the holder base and the holder lid.

  According to this feature, the razor can be safely and reliably held by the holder.

  In the scissor cutter according to the present invention, it is preferable that an inclined portion is formed around the opening so that the thickness of the holder becomes thinner toward the opening.

  According to this feature, the incision position of the eyelid can be accurately positioned by the inclined portion, so that the work efficiency can be further improved.

  The scissor cutter according to the present invention preferably includes a cutter cover that is detachably provided on both sides of the holder so as to cover the opening.

  According to this feature, it is possible to prevent a finger or the like from touching the razor when the scissors cutter is not used, and safety can be improved.

  According to the present invention, it is possible to determine the incision position of the eyelid stably and accurately, and to obtain various excellent effects such as improvement of the safety and work efficiency of the incision work.

It is a perspective view which shows the scissors cutter which concerns on embodiment of this invention. It is a disassembled perspective view which shows the scissors cutter which concerns on embodiment of this invention. It is a perspective view which shows the state which attached the cutter cover to the holder in the scissors cutter which concerns on embodiment of this invention. It is a top view which shows the cutter cover of the scissors cutter which concerns on embodiment of this invention. It is a side view which shows the cutter cover of the scissors cutter which concerns on embodiment of this invention. It is a top view which shows the method of mounting | wearing a holder with the cutter cover in the scissors cutter which concerns on embodiment of this invention. It is a perspective view which shows the usage method of the scissors cutter which concerns on embodiment of this invention.

  Hereinafter, the scissor cutter 10 according to the embodiment of the present invention will be described in detail with reference to the drawings. 1 is a perspective view showing the scissors cutter 10, FIG. 2 is an exploded perspective view showing the scissors cutter 10, FIG. 3 is a perspective view showing a state in which the cutter cover 14 is attached to the holder 13 in the scissors cutter 10, and FIG. FIG. 5 is a side view showing the cutter cover 14 of the scissor cutter 10, FIG. 6 is a plan view showing a method of attaching the cutter cover 14 to the holder 13 in the scissor cutter 10, and FIG. It is a perspective view which shows the usage method of the scissors cutter.

  A cocoon cutter 10 according to an embodiment of the present invention is a cutting instrument used to incise a silkworm cocoon 11 and take out the cocoon. The cutter cover 14 is provided.

  As shown in FIGS. 1 and 2, the holder 13 includes a holder base 15 formed in a feather plate shape and a holder lid 16 formed in a substantially home base shape. The holder 13 is made of a resin such as polyacetal. The holder base 15 includes an elongated rectangular plate-shaped handle portion 17 and a substantially home base-shaped main body portion 18 fixed to the tip of the handle portion 17.

  On the surface side of the main body 18, a recess 19 is formed in which the holder lid 16 can be superposed. Each of the holder lid 16 and the recessed portion 19 has a thickness that is ½ of the handle portion 17, and is formed to have the same thickness as the handle portion 17 in a state where the holder lid 16 is superposed on the recessed portion 19. . An elongated oval holder base side opening 20 is formed in the recess 19 along the longitudinal direction of the handle portion 17. On the surface side of the concave portion 19, a razor accommodating portion 21 is formed in a concave shape so as to obliquely cross the tip side portion of the holder base side opening portion 20.

  The razor 12 can be fitted into the razor accommodating portion 21. In this case, the razor 12 is preferably a commercially available double-edged razor so that it can be easily replaced, but may also be a single-edged razor. On the back surface side of the recess 19, inclined portions 22 are respectively provided in linear portions facing each other around the holder base side opening 20, and each inclined portion 22 has a thickness of the recess 19 toward the holder base side opening 20. It is formed to be thin. Further, a small circular screw hole 29 is formed in the concave portion 19 between the holder base side opening 20 and the handle portion 17.

  The front end portion 23 of the main body portion 18 is formed in a straight line in the left-right direction orthogonal to the longitudinal direction. The thickness of the distal end portion 23 of the main body portion 18 is equal to the thickness of the handle portion 17. When the holder lid 16 is fitted in the recess portion 19, the distal end portion 23 of the main body portion 18, the holder lid 16, and the handle portion 17. A flat surface is formed on the surface. The inner surface 24 on the concave portion 19 side of the distal end portion 23 of the main body portion 18 is formed so as to be inclined so that an angle formed with the surface of the concave portion 19 is an acute angle.

  The holder lid 16 is formed so as to be fitted in the recess 19. The holder lid 16 is formed with a holder lid side opening 28 and a screw hole 25 at positions corresponding to the holder base 15 side opening 20 and the screw hole 29, respectively. On the surface side of the holder lid 16, inclined portions 26 are respectively provided at positions corresponding to the inclined portions 22 on the holder base 15 side, and each inclined portion 26 faces the holder lid side opening portion 28. It is formed to be thin.

  On the back side of the holder lid 16, a razor contact portion (not shown) is formed in a convex shape at a position corresponding to the razor accommodating portion 21 of the holder base 15. The razor contact portion can be fitted into the razor accommodating portion 21 of the holder base 15. Further, the front end surface of the holder lid 16 is formed to be inclined so as to coincide with the inner side surface 24 of the front end portion 23 of the main body portion 18. Thereby, when the holder lid 16 is superposed on the concave portion 19 of the holder base 15, the holder lid 16 is fitted into the concave portion 19.

  The surface side of the screw hole 25 is countersunk. When the holder lid 16 is fitted in the recess 19 with the razor 12 fitted in the razor receiving portion 21 and screws (not shown) are screwed into the screw holes 25 and 29, the razor 12 is pressed against the razor contact portion. And the razor 12 is securely held by the holder 13.

  At this time, an opening 27 is formed in the holder 13 by the holder base side opening 20 and the holder lid side opening 28. The opening 27 has an opening at the top of the ridge 11 (for example, about 1/5 of the overall height of the ridge 11) when the vertical ridge 11 is pressed against the opening 27 from below the horizontal holder 13. Preferably, it is formed so as to have a width that protrudes from 27. The width of the opening 27 is preferably changed in accordance with the variety of grapes. For example, in the case of “morning / day × east / sea”, it has a width of about 16 mm. Is good.

  As shown in FIGS. 3 to 5, the cutter cover 14 includes a front side cover member 31 provided on the front side of the holder 13, a back side cover member 32 provided on the back side of the holder 13, and cover members on both sides. And a connecting member 33 interposed between 31 and 32.

  The front side cover member 31 and the back side cover member 32 have the same material, shape, size, and structure, respectively. The front side cover member 31 and the back side cover member 32 are made of resin such as polyacetal and have a rectangular plate shape. Circular screw holes 34 are respectively formed in the left and right corners on the base end side of the front cover member 31 and the back cover member 32, and each screw hole 34 is countersunk. Bending portions 37 and 38 that are bent at right angles to the directions close to each other from the plate-like portions 35 and 36 are formed at the front end portions of the front cover member 31 and the back cover member 32.

  The connecting member 33 has the same thickness as the holder 13, and is disposed at the left and right corners on the base end side between the front cover member 31 and the back cover member 32. A gap 39 through which the handle 17 of the holder 13 can be inserted is formed between the left and right connecting members 33. At the distal end portions of the left and right connecting members 33, an inclined portion 40 that extends outward is formed so as to correspond to the inclined shape of the main body portion 18 of the holder base 15 and the proximal end side of the holder lid 16. Then, by screwing screws 42 (see FIG. 3) into the respective screw holes 34, the front side cover member 31 and the back side cover member 32 are fixed via the connecting members 33, as shown in FIG. A space 41 having the same thickness as the holder 13 is formed between the cover members 31 and 32 on both sides.

  When the cutter cover 14 having the above-described configuration is mounted on the holder 13, the front end portions of the front side cover member 31 and the back side cover member 32 are elastically deformed in directions away from each other, and the cutter cover 14 is moved in the direction of the arrow shown in FIG. The handle portion 17 is inserted from the space 41 into the gap 39. Further, when the cutter cover 14 is slid in the same direction so that the bent portions 37 and 38 exceed the distal end portion 23 of the main body portion 18, the bent portions 37 and 38 return to a direction close to each other due to the elasticity of the plate-like portions 35 and 36. The cutter cover 14 is attached to the holder 13 by being hooked to the distal end portion 23. Thereby, the opening 27 is covered with the front cover member 31 and the back cover member 32. In addition, when removing the cutter cover 14 from the holder 13, it can carry out by the procedure opposite to the mounting procedure described above.

  When incising the scissors 11 with the scissors cutter 10 having the above-described configuration, as shown in FIG. 7, hold the scissors 11 with one hand and hold the handle portion 17 with the opposite hand to bring the scissors cutter 10 into a horizontal posture. Hold. When the upper part of the scissors 11 that is vertically oriented from the bottom of the scissor cutter 10 is pressed around the opening 27, the upper part of the scissors 11 (for example, about 1/5 of the total height of the scissors 12) is located above the opening 27. Protrusively. At this time, since the upper portion of the ridge 11 is guided by the inclined portion 22 and guided to the opening portion 27, the positioning operation can be performed easily and smoothly.

  Next, as shown by the straight arrows in FIG. 7, the scissors 11 are slid in the direction of the blade of the razor 12 along the opening 27 to press the scissors 11 against the blade of the razor 12. Then, when a part of the scissors 11 is cut, the top of the scissors 11 is incised by rotating it in the direction of the rotation arrow in FIG. 7 while pressing the scissors 11 against the blade of the razor 12.

  As described above, when the heel 11 is oriented vertically during the incision work of the heel 11, the heel in the heel 11 moves downward due to gravity. Therefore, if an incision is made about 20% from the top of the heel. ， Can be taken out without damaging the bag.

  In addition, by pressing the upper portion of the heel 11 against the inclined portion 22 around the opening 27, the incision position of the heel 11 can be accurately positioned. Furthermore, since the incision work can be easily performed by moving the scissors 11 along the opening 27, work efficiency can be improved even for an unskilled person in the incision work. In addition, since the blade of the razor 12 is not exposed, there is no risk of injury to the finger during the incision operation, and the safety of the incision operation can be improved. Furthermore, since both the holder 13 and the cutter cover 14 are vertically and horizontally symmetrical, they can be used regardless of whether they are right-handed or left-handed, and are easy to use.

  Furthermore, since the holder 13 and the cutter cover 14 are made of resin (polyacetal), the mechanical strength and wear resistance are high. In addition, since it is highly workable, it can be easily manufactured, and can be used in a wide temperature environment from high temperature to low temperature, thereby enhancing versatility. Furthermore, since the elasticity and the elastic recovery rate are high, durability can be enhanced, and since chemical resistance and solvent resistance are excellent, sterilization after use can be easily performed.

  In addition, since description of embodiment of the above-mentioned this invention has demonstrated suitable embodiment in the scissors cutter 10 which concerns on this invention, various restrictions preferable technically in a material, a shape, a dimension, a structure, etc. However, the technical scope of the present invention is not limited to these embodiments unless specifically described to limit the present invention.

10 繭 Cutter 11 １２ 12 Razor 13 Holder 14 Cutter cover 15 Holder base 16 Holder lid 22 Inclined portion 27 Opening portion

Claims (5)

A cocoon cutter for incising silkworm cocoons,
A scissors cutter having an opening, and a holder that holds the razor so that a razor blade faces the opening, and that can be held with one hand. The razor is held by the holder so as to cross the opening diagonally;
The opening is formed to have a width such that an upper portion of the ridge protrudes from the opening when the heel in a vertical direction is pressed around the opening from below the holder in a horizontal posture. The scissor cutter according to claim 1.   The scissor cutter according to claim 1, wherein the holder includes a holder base and a holder lid that is superposed on the holder base, and the razor is sandwiched between the holder base and the holder lid.   The scissor cutter according to any one of claims 1 to 3, wherein an inclined portion is formed around the opening so that the thickness of the holder decreases toward the opening.   The scissor cutter according to any one of claims 1 to 4, further comprising a cutter cover detachably provided on both sides of the holder so as to cover the opening.

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