JP2004222854A - Scissors with strap - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide scissors preventing a floor and the like from being damaged by a cutting edge part exposed by being carelessly fallen. <P>SOLUTION: The scissors 11 are so formed that the cutting edges of a pair of scissor pieces 14 and 15 having the cutting edge parts and handle parts 19 and 20 are openably/closably supported by a turning central shaft provided between the cutting edge parts and the handle parts, and the handle parts 19 and 20 are provided with grip parts 24 and 25 having finger-rests holes 24a and 25a. A strap 12 for fastening the scissors to a prescribed part such as a pocket in using is attached to the grip part. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to scissors with a cord.
[0002]
[Prior art]
Generally, scissors have a configuration in which a pair of scissor pieces having a cutting blade portion and a handle portion are rotatably supported on a rotation center axis. 2. Description of the Related Art Conventionally, scissors disclosed in Patent Document 1 have been known in order to prevent an object to be cut from being damaged when handling the scissors. The scissors disclosed in Patent Document 1 are characterized in that a hemispherical swelling body is provided at the tip of the cutting blade. With this configuration, in use, there is no danger of the cutting object or desk being damaged by the tip of the cutting blade, and when the scissors are stored in a predetermined location such as a pocket, the pocket may be damaged by the tip of the cutting blade. Absent.
[0003]
[Patent Document 1]
JP-A-8-71261 (FIG. 1)
[0004]
[Problems to be solved by the invention]
However, if the scissors are dropped by mistake when using the scissors, the floor or the like may be damaged due to the cutting edge portion of the scissor pieces, the weight of the scissors, or the like.
[0005]
The present invention has been made in view of the above-described circumstances, and an object of the present invention is to provide scissors in which floors and the like are prevented from being damaged by the exposed cutting edge portion due to inadvertent dropping of the scissors. is there.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the invention according to claim 1 is characterized in that a pair of scissors pieces having a cutting blade portion and a handle portion are cut at a rotation center axis provided between the cutting blade portion and the handle portion. The scissors, which support the blade portions so that they can be opened and closed, and each of which has a grip portion having a finger hole in the handle portion, have a string attached to the grip portion for fastening the scissors to a predetermined location when used. Was the gist.
[0007]
The string according to the first aspect connects the grip portion of the scissors to a predetermined location. The cutting blades are opened and closed by the cutting blades while the scissors are connected to a predetermined location by the string. In this case, even if the user accidentally drops the scissors, the scissors are suspended at the predetermined location because they are connected to the predetermined location by the string. The string connects the scissors to a predetermined location even when the scissors are not used, and the scissors can be held at the predetermined location. However, in this case, the holding of the scissors is not limited to only the function of the string.
[0008]
According to a second aspect of the present invention, in the first aspect of the present invention, the grip portion includes an attachment portion to which the string is attached, and the attachment portion is in the grip portion and the cutting blade portion is in a closed state. The point is that it is provided between a pair of imaginary lines that are parallel to a straight line connecting the tip of the cutting blade portion and the rotation center axis, and that include the approximate center point of the finger hole. did.
[0009]
Since the attachment portion in the configuration of claim 2 is provided on the grip portion so as to be located between the pair of imaginary lines, for example, the user accidentally drops the scissors and the scissors hangs at a predetermined location with a string. When held, a force that increases the degree of opening between the pair of cutting blade portions does not act as much as possible. If there is no mounting portion between the pair of imaginary lines, in the case described above, the degree of opening between the pair of cutting blade portions is likely to be larger.
[0010]
The gist of the invention described in claim 3 is that, in the invention described in claim 1 or claim 2, the cord has a clamping means for clamping the predetermined portion at an end of the cord. did.
[0011]
The gist of the invention described in claim 4 is that, in the invention described in any one of claims 1 to 3, an elastic portion having elasticity is provided on the string.
According to a fifth aspect of the present invention, in the invention according to any one of the first to fourth aspects, a finger other than the user's thumb is inserted into the mounting portion between the pair of gripping portions. It is provided in the grip portion on the side where the finger hook hole exists. Comparing a finger-holding hole into which a user's thumb is inserted and a finger-holding hole into which a finger other than the user's thumb is inserted, usually, the latter is often used with the finger-holding hole down. Since the attachment portion is provided in the finger hole which is often located on the lower side, there is little obstruction in opening and closing the cutting blade portions.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment in which the present invention is embodied in scissors with a strap will be described with reference to FIGS.
[0013]
As shown in FIGS. 1 to 3, the scissors 10 with a strap include scissors 11, a strap 12 as a string, and a clip 13 as a holding means. The scissors 11 are composed of a pair of stainless steel scissors pieces 14 and 15, and the surfaces thereof are coated with fluorine. The scissors pieces 14 and 15 are slidably supported on the rotation center shaft 16 in a stacked state.
[0014]
Cutting blade portions 17 and 18 are provided on the tip side (cutting side) of the scissor pieces 14 and 15 from the rotation center shaft 16, and handle portions 19 and 20 are provided on the opposite base end side (grip side). Are provided respectively.
[0015]
Also, the scissor pieces 14, 15 are moved from a state where the tips of the scissor pieces 14, 15 or the cutting blade portions 17, 18 are overlapped (closed state) as shown in FIGS. The tip 15 or the cutting blades 17 and 18 are rotatable in a separated state (open state). Further, in the following description of the scissors 11, “upper side” and “lower side” refer to the upper side as the upper side and the lower side as the lower side in FIG. 3 in which the pair of scissors pieces 14 and 15 are open. .
[0016]
A resin ring 22 is fitted between the shaft head 21 and the scissor piece 14 provided at an end of the rotation center shaft 16, and the shaft head 21 is coated with fluorine by the rotating operation of the scissors. 14 is prevented from being damaged.
[0017]
The cutting end of the scissor piece 14 is located below the cutting end of the scissor piece 15 in the scissors 11 in the open state when cutting the object to be cut, as shown in FIG. , And a resin coating 23. Therefore, the length from the rotation center axis 16 to the tip of the scissor piece 14 is smaller than the length from the rotation center axis 16 to the tip of the scissor piece 15 by the amount covered by the covering body 23. It is getting longer. Therefore, in the closed state as shown in FIG. 1, there is no possibility that the cutting end of the scissors 11 may damage the cutting object or the like in the closed state as shown in FIG. 1, and the cutting object as shown in FIG. At the time of cutting, there is no danger of damaging the desk, the object to be cut, or the like at the cutting end of the scissor piece 14 located below.
[0018]
A grip portion 24 is provided at the tip of the handle portion 19, and a finger hole 24a for penetrating the thumb is formed in the grip portion 24. Similarly, a grip portion 25 is provided at the tip of the handle portion 20, and a finger hole 25a for penetrating the index finger and the middle finger is formed in the grip portion 25. Further, the grip portion 24 is provided with a protruding portion 24c for coming into contact with the grip portion 25, between the finger hook holes 24a and 25a. The rotation of the scissors pieces 14 and 15 from the open state to the closed state is stopped by the contact of the protrusion 24 c with the grip 25 at the contact part 26.
[0019]
In the vicinity of the contact portion 26 of the grip portion 25, a flat bar-shaped hooking piece 27 having a length of about 1/4 in the longitudinal direction of the scissor piece 15 is provided. The hooking piece 27 is attached in parallel with and near the straight line L1 connecting the tip of the cutting blade portion and the rotation center axis 16 when the cutting blade portions 17 and 18 are closed. The engaging piece 27 is provided with a locking projection 28 at the end on the rotation center shaft 16 side, and a fixing portion 29 is provided at the end opposite to the end where the locking projection 28 is provided. Is provided. The hook 27 is fixed to the grip 25 via the fixing part 29. In addition, since the latching piece 27 is formed of a flexible resin, the locking projection 28 is configured to be able to contact and separate from the grip 25.
[0020]
In addition, a through hole 30 as an attachment portion for attaching the strap 12 is provided in the grip portion 25 which is lower than the grip portion 24 in an open state as shown in FIG. Further, the through hole 30 is parallel to a straight line L1 connecting the tip of the cutting blade portion and the rotation center axis 16 when the cutting blade portions 17 and 18 are in a closed state, and is substantially the same as the finger holes 24a and 25a. It is formed between a pair of virtual lines L2 including the center points 24b and 25b. Further, the through hole 30 is preferably formed near the end of the scissor piece 14 on the grip side. In other words, the through hole 30 is perpendicular to the straight line L1 and further away from the rotation center axis 16 than two imaginary lines including the substantially center points 24b and 25b of the finger holes 24a and 25a. Is provided. Accordingly, when cutting an object to be cut, the connecting string 33 can be put in the grip of a finger other than the thumb, or the connecting string 33 can be used by being entangled with a finger other than the thumb, and the strap 12 is obstructed. It will not be.
[0021]
The strap 12 as a string is composed of a coil string 32 and a connecting string 33 for connecting the scissors 11 and the strap 12, and the coil string 32 is formed of a flexible resin or rubber. The coil string 32 is formed with a coil section 31 as a coil-shaped expansion / contraction section, and the coil string 32 is formed by expansion / contraction of the coil section 31 or by expansion / contraction of a flexible resin or rubber itself as a material. It is configured to be stretchable. Further, the expansion and contraction force of the coil portion 31 is not easily extended by the weight of the scissors 11, but is preferably adjusted to a strength that can be easily extended by human power. It is more preferable that the scissors 11 be extended to 1.3 by the weight of the scissors 11 and up to 6 by human force.
[0022]
At both ends of the coil string 32, U-turn-shaped ring portions 34 and 35 formed by bonding or welding the ends of the coil string 32 to the main body of the coil string 32 in a state where the ends are folded into a U-turn are provided. I have. The connecting cord 33 is attached to the U-turn ring portion 34 via a ring member 36, and the clip 13 as a holding means is attached to the U-turn ring portion 35. The strap 12 is connected to the scissors 11 by passing the connecting string 33 through the through hole 30 and passing the coil string 32 through a loop-shaped portion of the connecting string 33 protruding from the through hole 30.
[0023]
The clip 13 is configured to open and close freely by a pair of holding pieces 37, 38, and a connection hole 39 for connecting to the U-turn ring 35 is provided at an end of the holding piece 38.
[0024]
Next, the operation of the scissors with a strap 10 configured as described above will be described with reference to FIG.
First, the scissors 10 with the strap are attached to predetermined places such as the opening 41 of the pocket 40 of the clothes in order to hold the scissors by the holding pieces 37 and 38 of the clip 13. When the object to be cut is cut by the scissors 11, the scissors with straps 10 stored in the pocket 40 are taken out, the thumb is passed through the grasping portion 24, and the index finger and the middle finger are passed through the grasping portion 25. The scissors 11 are used while holding the scissors 24 and 25 close to the object to be cut. The scissors 11 can be brought closer to the object to be cut while maintaining the state of being attached to the pocket 40 by the strap 12 as a string.
[0025]
When cutting the object to be cut, the connecting string 33 is placed in the grip of a finger other than the thumb, or the connecting string 33 is used by being entangled with a finger other than the thumb. Thereby, the strap 12 does not interfere with the cutting of the cutting target object by the scissors 11. In addition, the through-hole 30 for attaching the connecting string 33 is provided on the side of the holding section 25 where the index hole 25a for penetrating the index finger and the middle finger for holding the connecting string 33 is provided. As compared with the case where the through-hole 30 is provided in the 24, the inhibition of the cutting of the cutting object by the strap 12 is further prevented.
[0026]
When the object to be cut is far from the opening 41 of the pocket 40 to which the scissors with straps 10 are attached, the coil portions 31 of the straps 12 are extended, and the scissors with straps 10 are attached to the pockets 40 via the straps 12. The scissors 11 can be brought close to the object to be cut while maintaining the state.
[0027]
Even when the scissors 11 are accidentally dropped from the hand, since the holding pieces 37 and 38 hold the opening 41 of the pocket 40, the coil 31 does not expand or contract due to the weight of the scissors 11. Since the strap scissors 10 are only 1.3 times as long as the case, the scissors 10 with the strap do not come into contact with the floor or the like by dropping.
[0028]
When the scissors 11 housed in the pocket 40 are taken out of the pocket 40 or when the scissors 11 are housed in the pocket 40, the scissors 11 can be taken out by grasping the connecting string 33 by hand. Can be maintained in the vertical state where it is difficult to change from the closed state to the open state carelessly. That is, since the through-hole 30 is provided between the pair of virtual lines L2 that are parallel to the straight line L1 and that include the approximate center points 24b and 25b of the finger holes 24a and 25a, the connecting cord 33 is By holding the scissors 11 by hand and suspending them, the scissors 11 in the closed state can be maintained in the vertical state. Thereby, the scissors 11 are inadvertently changed from the closed state to the open state, and the cutting blades 17, 18 are not exposed.
[0029]
Further, when the scissors 11 are accommodated in the pocket 40, the scissors 11 are stably locked vertically in the opening 41 of the pocket 40 by the locking pieces 27 provided in parallel with and near the straight line L1. Can be.
[0030]
When the scissors with straps 10 attached to the opening 41 of the pocket 40 are stored in a drawer of a desk, a pencil case, or the like, the holding pieces 37 and 38 of the clip 13 are opened, so that the scissors 10 can be easily opened from the opening 41 of the pocket 40. The scissors with strap 10 can be removed.
[0031]
According to the scissors with strap 10 of the present embodiment, the following effects can be obtained.
(1) In the present embodiment, the gripper 25 of the scissors 11 is provided with a through hole 30 for attaching the strap 12, and the strap 12 is attached to the through hole 30. Therefore, by attaching the scissors 11 to the pocket 40 of the clothes via the strap 12, it is possible to maintain the state in which the scissors with strap 10 are attached to the pocket 40 via the strap 12, and the scissors 11 may be dropped, lost, Misplacement can be prevented.
[0032]
(2) In the present embodiment, the through hole 30 as an attachment portion for attaching the strap 12 is parallel to the straight line L1 connecting the tip of the cutting blade portion and the rotation center axis 16 when the cutting blade portions 17 and 18 are closed. And is provided between a pair of virtual lines L2 including the approximate center points 24b and 25b of the finger holes 24a and 25a. Therefore, when taking out the scissors 11 from the pocket 40 or storing the scissors 11 in the pocket, the scissors 11 in the closed state can be maintained in a vertical state by gripping the connecting cord 33. Therefore, the pockets 40 are not damaged due to the inadvertent change of the scissors 11 from the closed state to the open state, and the exposure of the cutting blades 17 and 18.
[0033]
Further, the connecting cord 33 constituting the strap 12 attached between the pair of virtual lines L2 can be used by being held in the grip of a finger other than the thumb, or the connecting cord 33 can be entangled with the finger other than the thumb. Therefore, when the scissors 11 are used, the strap 12 does not interfere.
[0034]
(3) In the present embodiment, the clip 13 including the holding pieces 37 and 38 is attached to the end of the strap 12 opposite to the end to which the scissors 11 are connected. Therefore, the scissors with strap 10 can be easily attached to the opening 41 of the pocket 40, and when the scissors with strap 10 are stored in a drawer of a desk or the like, the scissors 10 can be easily removed from the opening 41 of the pocket 40. it can.
[0035]
(4) In the present embodiment, the strap 12 is constituted by the coil string 32 having the coil part 31 which can be extended and contracted. Therefore, even when the object to be cut is far from the opening 41 of the pocket 40 to which the scissors 10 with straps are attached, the scissors with straps 10 are attached to the pockets 40 via the straps 12 by the extension of the coil portion 31. The scissors 11 can be brought closer to the object to be cut while maintaining the cut state.
[0036]
(5) In the present embodiment, the through hole 30 is located on the lower side of the gripping portions 24 and 25 during use, and the index hole 25a that penetrates the index finger and the middle finger that grip the connecting string 33 is formed. It is provided on the gripping portion 25 side to be formed. Therefore, usually, in use, the strap 12 does not hinder the cutting object more than when the through-hole 30 is provided in the grip portion 24 located above.
[0037]
(6) According to the present embodiment, the cutting-side tip of the scissors piece 14 is covered with the resin-made cover 23. Therefore, when the scissors 11 are stored in the pocket 40, there is no possibility that the inside of the pocket 40 is damaged by the cutting-side end of the scissor piece 14. Further, when cutting the cutting object, there is no possibility that the cutting object or the desk or the like is damaged by the tip of the scissor piece 14 on the cutting side.
[0038]
(7) In the present embodiment, the through holes 30 are provided as attachment portions for attaching the strap 12 to the grip portions 25. Therefore, the connecting cord 33 of the strap 12 can be easily and reliably attached, and the attachment position of the strap 12 on the grip 25 does not shift.
[0039]
The above embodiment may be modified as follows.
-In this embodiment, when cutting the object to be cut, the through-hole 30 for attaching the strap 12 to the grip 25 located below the grip 24 is provided. However, the through-holes 30 may be provided in both of the gripping portions 24 and 25 that are above the gripping portions 25 when cutting the object to be cut. Further, the through-hole 30 may be provided only in the grip portion 24 that is above the grip portion 25 when cutting the cutting target object. Further, the number of the straps 12 attached to the scissors may be plural.
[0040]
-In this embodiment, the coil part 31 was provided as an elastic part in the strap 12. However, it is not necessary to provide the coil part 31, and the whole or a part of the coil string 32 may be formed of rubber, and the elasticity of the strap 12 may be provided only by the rubber part.
[0041]
-In this embodiment, the clip 13 was attached to the end of the strap 12 as a holding means. However, it is not necessary to attach the holding means such as the clip 13, and the magnet may be attached to the end of the strap, and the magnet may be attached to the iron portion of the desk. Alternatively, the entire or a part of the strap 12 may be formed in a ring shape, and the ring portion may be hooked on a part of a wrist, a desk, or the like.
[0042]
In the present embodiment, the through hole 30 is formed near the end on the gripping side of the scissors piece 14. In other words, when the cutting blades 17 and 18 are closed, the cutting blades 17 and 18 are orthogonal to the straight line L1 connecting the tip of the cutting blades and the rotation center axis 16 and include substantially the center points of the finger holes 24a and 25a. Is provided at a position further away from the rotation center axis 16 than the virtual line. However, the through hole 30 may be formed between the pair of virtual lines L2, and may not be formed near the end of the scissor piece 14 on the gripping side.
[0043]
In the present embodiment, the through hole 30 is parallel to the straight line L1 connecting the tip of the cutting blade portion and the rotation center axis 16 when the cutting blade portions 17 and 18 are closed, and the finger hole 24a is provided. , 25a is provided between a pair of virtual lines L2 including the approximate center points 24b, 25b. However, the through-hole 30 may be provided on the virtual line L2.
[0044]
In the present embodiment, the through hole 30 is parallel to the straight line L1 connecting the tip of the cutting blade portion and the rotation center axis 16 when the cutting blade portions 17 and 18 are closed, and the finger hole 24a is provided. , 25a is provided between a pair of virtual lines L2 including the approximate center points 24b, 25b. However, the through hole 30 does not need to be provided between the virtual lines L2, and may be provided at any position of the grips 24 and 25.
[0045]
-In this embodiment, the through-hole 30 was provided in the grip part 25 as an attachment part of the strap 12. However, it is not necessary to provide the through hole 30 for attaching the strap 12, and the strap 12 may be attached to the scissors 11 through the connecting string 33 through the finger hook hole 25 a. At that time, in order to prevent the movement of the connecting cord 33, a concave portion or a convex portion may be provided on the inner peripheral surface of the finger hole 25a. Further, a convex hook for hooking the connecting cord 33 may be provided on the grip 25.
[0046]
-In this embodiment, the scissors 11 were attached to the opening 41 of the pocket 40 by the clip 13 as a holding means. However, the scissors 11 may be attached to a predetermined place other than clothing, such as a pocket, by the clip 13, or may be attached to a desk, a pencil case, or the like. According to such a configuration, it is possible to prevent the scissors 11 from being dropped or lost.
[0047]
In the present embodiment, at the tip of the scissor piece 15 located on the upper side, the covering 23 provided on the scissor piece 14 can be used to prevent the object to be cut or the like from being damaged. The scissor piece 14 is provided only at the tip on the cutting side. However, the covering may be provided also on the cutting end of the scissor piece 15.
[0048]
Next, technical ideas that can be grasped from the above embodiment and other examples will be additionally described below together with their effects.
(A) Scissors provided with a retaining piece formed of a flexible resin on the grip portion. Therefore, according to the invention described in (a), the scissors can be directly hooked at a predetermined place for fastening the scissors, and the scissors can be stably locked vertically at the predetermined place.
[0049]
(Ii) Scissors which are made of metal, and whose surfaces are coated with fluorine. Therefore, according to the invention described in (b), when the adhesive tape or the like is cut, the adhesive tape can be easily peeled off even if the adhesive surface of the adhesive tape adheres to the cutting blade side surface of the scissors. Further, generation of rust on the scissors can be prevented.
[0050]
(C) Scissors in which a resin ring is fitted between a scissor piece and a shaft head provided at an end of the rotation center shaft. Therefore, according to the invention described in (c), it is possible to prevent the rotation of the scissor pieces from damaging the surface of the fluorine-coated scissor pieces.
[0051]
(D) the grip portion includes an attachment portion to which the string is attached, and the attachment portion, in the grip portion, connects a tip of the cutting blade portion and the rotation center axis when the cutting blade portion is in a closed state. Scissors provided at a position orthogonal to a connecting straight line and further away from the rotation center axis than either virtual line including a substantially center point of the finger hole. Therefore, according to the invention described in (d), the string does not hinder the cutting object more than when the string is provided on the side closer to the rotation center axis.
[0052]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, the scissors which prevented the floor etc. from being damaged by the cutting blade part exposed by the inadvertent fall of scissors can be provided.
[Brief description of the drawings]
FIG. 1 is a plan view showing scissors with a strap of the present embodiment.
FIG. 2 is a side view showing a scissor portion of the scissors with a strap.
FIG. 3 is a diagram showing a use state of scissors with a strap.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Scissors with strap 11 Scissors 12 Strap 13 as a string 13 Clips as clipping means 15 and 15 Scissor pieces 16 Rotating central shafts 17 and 18 Cutting blades 19 and 20 Handles 24 and 25 Handles 24a and 25a Finger holes 24b Substantially the center point 25b of the finger hole 24a Substantially the center point 30 of the finger hole 25a Through hole 31 Coil portions 37, 38 Holding piece L1 A straight line connecting the tip of the cutting blade portion and the rotation center axis when the cutting blade portion is in the closed state. L2 A pair of virtual lines parallel to the straight line L1 and including the approximate center points 24b and 25b of the finger holes 24a and 25a.

Claims (5)

A pair of scissors pieces having a cutting blade portion and a handle portion support the cutting blade portions so as to be openable and closable on a rotation center axis provided between the cutting blade portion and the handle portion, and a finger hole is formed in the handle portion. Scissors provided with grips each having a grip, and a scissor with a string attached to the grip for attaching the scissors to a predetermined location when the scissors are used. The grip portion includes an attachment portion to which the string is attached, and the attachment portion includes, in the grip portion, a straight line connecting a tip of the cutting blade portion and the rotation center axis when the cutting blade portion is in a closed state. 2. The scissors with a cord according to claim 1, wherein the scissors are provided between a pair of imaginary lines that are parallel and that include a substantially center point of the finger hole. The scissors with a string according to claim 1 or 2, wherein the string is provided with a holding means for holding the predetermined portion at an end of the string. The scissors with a string according to any one of claims 1 to 3, wherein the string has an elastic portion having elasticity. 5. The mounting part according to claim 1, wherein the holding part is provided on a grip part of the pair of grip parts on which a finger hook hole into which a finger other than the user's thumb is inserted is present. 6. Scissors with a cord as described in the item.

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