JP2022173886A - fuse puller - Google Patents

Abstract

To provide a fuse puller with good assemblability.SOLUTION: A fuse puller 1 includes: a base part 2 extending to the light and left; a first arm part 3 extending from a left end of the base part 2 to a front side; and a second arm part 4 extending from a right end of a base part 1 to the front side and a left side. The first arm part 3 includes: a first base end part 5; a first intermediate part 6 of which a width in a vertical direction is formed so as to be small with respect to the first base end part 5, in which an upper edge is arranged so as to be deviated to a lower side with respect to the upper edge of the first base end part 5; and a first tip end part 7 of which a width in the vertical direction is formed so as to be large with respect to the first intermediate part 6. The second arm part 4 includes: a second base end part 8; a second intermediate part 9 of which the width in the vertical direction is formed so as to be small with respect to the second base end part 8, in which a lower edge is arranged so as to be deviated to an upper side with respect to the lower edge of the second base end part 8; and a second tip end part 10 of which the width in the vertical direction is formed so as to be large with respect to the second intermediate part 9. The first intermediate part 6 and the second intermediate part 9 are crossed each other in view from the upper side.SELECTED DRAWING: Figure 1

Description

The present invention relates to fuse pullers.

Patent Document 1 discloses a fuse puller used to extract a fuse from a fuse box. The fuse puller according to Patent Document 1 is formed by combining a pair of clamping pieces each formed in the same shape.

JP-A-08-315712

The fuse puller according to Patent Literature 1 requires an operator to assemble the clamping pieces after individually forming the clamping pieces. Therefore, there is a problem that the number of man-hours required during manufacturing is increased.

In view of the above background, an object of the present invention is to provide a fuse puller that is easy to assemble.

In order to solve the above problems, one aspect of the present invention is a fuse puller (1) comprising a base portion (2) extending left and right and a first arm portion extending forward from the left end of the base portion (2) ( 3) and a second arm portion (4) extending forward from the right end of the base portion, the base portion (2), the first arm portion (3), and the second arm portion (4). is integrally formed of resin, and the first arm portion (3) and the second arm portion (4) are in a pre-assembly state in which they are separated from each other when viewed from above, and a state after assembly in which they intersect each other when viewed from above. A first tip (7) provided at the tip of the first arm (3) and a second tip (10) provided at the tip of the second arm (4) are urged toward each other in the assembled state.

According to this aspect, it is possible to provide a fuse puller that is easy to assemble. Since the base portion, the first arm portion, and the second arm portion are integrally molded, there is no need to prepare each part during assembly, which facilitates the assembly work. The fuse puller is molded with the first arm portion and the second arm portion separated from each other, and after molding, the operator operates the first arm portion and the second arm portion so that the first arm portion and the second arm portion cross each other. Thereby, the operator can cross the first arm portion and the second arm portion by sandwiching the first arm portion and the second arm portion so as to approach each other.

In the above aspect, the first tip (7) has a first locking claw protruding toward the second tip (10), and the second tip (10) It has a second locking pawl projecting toward the tip (7).

According to this aspect, the locking claws can hold the fuse more stably. Further, when the fuse is provided with a recess, each locking claw engages the recess of the fuse, so that the fuse can be clamped more securely.

In the above aspect, the first arm portion (3) has, in order from the base portion (2) side, a first base end portion (5) and a width in the vertical direction that is equal to the first base end portion (5). A first intermediate portion (6) formed smaller than the first base end portion (5) and having an upper edge shifted downward from the upper edge of the first base end portion (5), and the first intermediate portion (6). On the other hand, it has the first tip end portion (7) formed with a large width in the vertical direction, and the second arm portion (4) has a second base end portion (7) in order from the base portion (2) side. 8), the width in the vertical direction is formed smaller than the second base end portion (8), and the lower edge is displaced upward with respect to the lower edge of the second base end portion (8). and the second tip portion (10) having a larger width in the vertical direction than the second intermediate portion (9), and the first tip portion (7 ) has a first inclined portion (11) inclined upward from the first intermediate portion (6) toward the tip side of the first arm portion (3), and the second tip portion ( 10) has a second sloped portion (12) sloped downward from the second intermediate portion (9) toward the distal end side of the second arm portion (4).

According to this aspect, during assembly, the first inclined portion and the second inclined portion are brought into sliding contact with each other, so that the first arm portion is guided downward with respect to the second arm portion, and the first tip portion is guided downward to the second arm portion. It can pass under the tip. Thereby, the operator can more easily cross the first arm portion and the second arm portion.

In the above aspect, in the assembled state, the first proximal portion (5) extends forward from the left end of the base portion (2), and the first intermediate portion (6) extends from the first proximal end. The first tip portion (7) extends forward and rightward from the front end of the portion (5), and the first tip portion (7) extends forward from the front end of the first intermediate portion (6). The two proximal end portions (8) extend forward from the right end of the base portion (2), and the second intermediate portion (9) extends forward and leftward from the front end of the second proximal end portion (8). and said second tip (10) extends forward from the front end of said second intermediate portion (9).

According to this aspect, in the assembled state, the positions of the first proximal end portion and the first distal end portion with respect to the first intermediate portion are determined, and the positions of the first proximal end portion and the first distal end portion with respect to the second intermediate portion are determined. determined.

In the above aspect, the upper edge of the first inclined portion (11) is inclined downward to the right, and the lower edge of the second inclined portion (12) is inclined upward to the left. I hope you are.

According to this aspect, the first inclined portion and the second inclined portion are in sliding contact with each other, so that the first arm portion is guided downward with respect to the second arm portion more reliably. This allows the first tip to pass under the second tip more smoothly.

In the above aspect, the first tip (7) has a first guide (13) extending toward the second tip (10), and the second tip (10) It has a second guide portion (14) extending toward one tip portion (7), and the first guide portion (13) and the second guide portion (14) are in sliding contact with each other.

According to this aspect, since the first intermediate portion is arranged below the second intermediate portion, and the first guide portion and the second guide portion are in sliding contact with each other, the vertical movement of the first tip portion with respect to the second tip portion can be prevented. A position in the direction is determined. This maintains the shape of the fuse puller.

In the above aspect, the lower surface of the first guide portion (13) is inclined upward toward the second tip portion (10), and the upper surface of the second guide portion (14) is inclined toward the first tip portion (7). ).

According to this configuration, even when the first tip portion and the second tip portion are displaced from each other in the vertical direction, the first guide portion and the second guide portion are in sliding contact with each other. 2 tip moves to the proper position.

In the above aspect, the upper surface of the first intermediate portion and the lower surface of the second intermediate portion are in sliding contact with each other.

According to this configuration, the upward movement of the first distal end portion due to the restoring force of the first arm portion and the downward movement of the second distal end portion due to the restoring force of the second arm portion are performed by the upper surface of the first intermediate portion. contacts the lower surface of the second intermediate portion, the relative positions of the first arm portion and the second arm portion in the vertical direction are determined.

In the above aspect, the left end portion (17) and right end portion (18) of the base portion (2), or the left side portion (19) of the first proximal end portion (5) on the side of the base portion (2) and the A pair of locking surfaces (21) facing forward may be provided on the right side (20) of the second proximal end (8) on the side of the base (2).

According to this aspect, when the fuse puller grips the fuse and the operator pulls the fuse puller rearward, the fingers of the operator are engaged with the pair of engaging surfaces and the fingers of the operator are pulled rearward. Slipping is prevented.

In the above aspect, the first base end portion (8) is formed in an arc shape that protrudes rightward, and the second base end portion (8) is formed in an arc shape that protrudes leftward. One of the locking surfaces (21) is formed on the left side (19) of the first base end (5) on the side of the base (2), and the other of the locking surfaces (21) is preferably formed on the right side portion (20) of the second proximal end portion (8) on the side of the base portion (2).

According to this aspect, since the first base end portion and the second base end portion are arc-shaped, the operator can easily pinch the fuse puller. Also, one of the locking surfaces is formed on the left side of the first proximal end portion on the base side, and the other of the locking surfaces is formed on the right side of the second proximal end on the base side. Therefore, when the operator pulls the fuse puller rearward, the operator can grip the fuse puller more stably.

The width in the vertical direction of the central portion (22) in the horizontal direction of the base portion (2) is greater than the width in the vertical direction of each of the left end portion (17) and the right end portion (18) of the base portion (2). is preferably formed to be small.

According to this aspect, the pair of arm portions can be easily bent in the vertical direction, making it easier to assemble the fuse puller.

According to the above configuration, it is possible to provide a fuse puller (1) that is easy to assemble.

Perspective view of fuse puller after assembly A perspective view showing the tip of the fuse puller Top view of fuse puller Fuse puller side view Fuse puller front view VI-VI sectional view of the fuse puller in FIG. VII-VII sectional view of the fuse puller in FIG. Perspective view of fuse puller before assembly Top view of fuse puller in open state FIG. 4 is a plan view showing a state in which the fuse puller sandwiches the fuse; FIG. 11 is a perspective view showing a tip portion of a fuse puller according to a modified embodiment; Sectional view showing a guide portion of a fuse puller according to a modified embodiment Sectional view showing a guide portion of a fuse puller according to a modified embodiment

The form of the fuse puller 1 of the present invention will be described below. A fuse puller 1 according to the present invention is used to extract a fuse 23 from a fuse box mounted on a vehicle or the like. FIG. 1 shows the fuse puller 1 after assembly.

In order to explain the fuse puller 1, each direction is defined as shown in the drawing. Note that each direction does not define the direction when the fuse puller 1 is used. The fuse puller 1 has a base portion 2 , a first arm portion 3 and a second arm portion 4 . The base portion 2 and the arm portions 3, 4 are integrally molded. The fuse puller 1 is flexible and made of resin, for example.

The base portion 2 is formed in a plate shape facing forward and backward, and extends left and right. The width of the center portion 22 in the horizontal direction of the base portion 2 in the vertical direction is smaller than the widths of the left end portion 17 and the right end portion 18 of the base portion 2 in the vertical direction. The upper edge and lower edge of the base portion 2 are preferably formed in an arc shape.

The first arm portion 3 extends from the left end of the base portion 2 . The first arm portion 3 has a first base end portion 5 , a first intermediate portion 6 and a first tip portion 7 in order from the base portion 2 side.

The first base end portion 5 extends forward from the left end portion 17 of the base portion 2 . The first base end portion 5 has an engaging surface 21A facing forward on the left side portion 19 on the base portion 2 side. In the present embodiment, the first base end portion 5 is formed in an arc shape that protrudes rightward when viewed from above. As a result, the locking surface 21A faces forward and leftward on the left side portion 19 of the first proximal end portion 5 on the side of the base portion 2 .

The first base end portion 5 has a first stopper portion 24 projecting leftward from the left side surface. The first stopper portion 24 extends vertically.

The first intermediate portion 6 extends forward and rightward from the front end of the first base end portion 5 . The width of the first intermediate portion 6 in the vertical direction is smaller than the width of the first base end portion 5 in the vertical direction. Further, the upper edge of the first intermediate portion 6 is shifted downward with respect to the upper edge of the first base end portion 5 . On the other hand, the lower edge of the first intermediate portion 6 extends horizontally continuously with the lower edge of the first base end portion 5 . The boundary between the upper edge of the first intermediate portion 6 and the upper edge of the first base end portion 5, that is, the front end of the first base end portion 5 extends vertically.

The first tip portion 7 extends forward from the first intermediate portion 6 . The first distal end portion 7 is arranged to the right of the first proximal end portion 5 . The first tip portion 7 has a first inclined portion 11 on its upper portion that slopes upward from the first intermediate portion 6 toward the tip side of the first tip portion 7 . As shown in FIG. 2 , the vertical width of the first distal end portion 7 on the distal end side is larger than the vertical width of the first intermediate portion 6 . Moreover, as shown in FIG. 7, the first inclined portion 11 is inclined downward toward the right.

The first tip portion 7 has a first guide portion 13 extending leftward on its left side surface. The 1st guide part 13 is arrange|positioned at the upper part of left side. As shown in FIG. 5, the lower surface of the first guide portion 13 is inclined upward toward the left.

The first tip portion 7 has a first locking claw 15 projecting leftward. As shown in FIG. 3 , the first locking claw 15 is preferably arranged forward of the first guide portion 13 on the left side surface of the first distal end portion 7 . Moreover, it is preferable that a plurality of first locking claws 15 are provided. In this embodiment, as shown in FIGS. 1 and 5, two first locking claws 15 are provided at the upper end and the lower end of the front end of the left side surface of the first tip portion 7 . The length of the first locking claw 15 in the left-right direction is formed smaller than the length of the first guide portion 13 in the left-right direction. The first base end portion 5 is formed longer in the front-rear direction than the first intermediate portion 6 and the first tip portion 7 .

As shown in FIG. 1 , the second arm portion 4 extends from the right end of the base portion 2 . The second arm portion 4 has a second proximal end portion 8, a second intermediate portion 9, and a second distal end portion 10 in order from the base portion 2 side. The second arm portion 4 is formed 180 degrees rotationally symmetrical with the first arm portion 3 with respect to the central axis of the fuse puller 1 extending in the front-rear direction.

The second proximal end portion 8 extends forward from the right end portion 18 of the base portion 2 . The second base end portion 8 has an engaging surface 21B facing forward on the right side portion 20 on the base portion 2 side. In this embodiment, the second proximal end portion 8 is formed in an arc shape that protrudes leftward when viewed from above. As a result, the locking surface 21B faces forward and rightward on the right side portion 20 of the second proximal end portion 8 on the side of the base portion 2 .

The second base end portion 8 has a second stopper portion 25 protruding rightward on the right side surface. The second stopper portion 25 extends vertically.

The second base end portion 8 is arranged to the right of the first base end portion 5 with a space therebetween and faces the first base end portion 5 in the left-right direction.

As shown in FIG. 3 , the second intermediate portion 9 extends forward and leftward from the front end of the second proximal portion 8 . As shown in FIG. 4 , the vertical width of the second intermediate portion 9 is smaller than the vertical width of the second base end portion 8 . Also, the lower edge of the second intermediate portion 9 is shifted upward with respect to the lower edge of the second base end portion 8 . On the other hand, the upper edge of the second intermediate portion 9 extends horizontally continuously with the upper edge of the second base end portion 8 . The boundary between the lower edge of the second intermediate portion 9 and the lower edge of the second base end portion 8, that is, the front end of the second base end portion 8 extends vertically. The second intermediate portion 9 passes above the first intermediate portion 6 . That is, as shown in FIGS. 3 and 6, the second intermediate portion 9 may intersect the first intermediate portion 6 when viewed from above. The lower surface of the second intermediate portion 9 is preferably in sliding contact with the upper surface of the first intermediate portion 6 .

As shown in FIGS. 1 and 3, the second tip portion 10 extends forward from the front end of the second intermediate portion 9 . The second distal end portion 10 is arranged leftward with respect to the second proximal end portion 8 . The second tip portion 10 is arranged to the left of the first tip portion 7 . The second tip portion 10 has a second inclined portion 12 at its lower portion that slopes downward from the second intermediate portion 9 toward the tip side of the second tip portion 10 . The vertical width of the distal end side of the second distal end portion 10 is formed to be larger than the vertical width of the second intermediate portion 9 . Further, as shown in FIG. 7, the second inclined portion 12 is inclined upward toward the left.

As shown in FIGS. 5 and 9, the second tip portion 10 has a second guide portion 14 extending rightward on its right side surface. The second guide portion 14 is arranged on the lower portion of the right side surface. The upper surface of the second guide portion 14 is inclined downward to the right.

As shown in FIGS. 1 and 3, the second tip portion 10 has a second locking claw 16 protruding rightward. The second locking claw 16 is preferably arranged forward of the second guide portion 14 on the right side surface of the second distal end portion 10 . Moreover, it is preferable that a plurality of second locking claws 16 are provided. As shown in FIGS. 1 and 5, in this embodiment, two second locking claws 16 are provided at the upper and lower ends of the front end of the right side surface of the second distal end portion 10 . The length of the second locking claw 16 in the left-right direction is formed to be smaller than the length of the second guide portion 14 in the left-right direction.

As shown in FIG. 1, in the assembled state, the first arm portion 3 is biased leftward by its own restoring force, and the second arm portion 4 is biased rightward by its own restoring force. As a result, the first distal end portion 7 and the second distal end portion 10 are biased toward each other, and the first proximal end portion 5 and the second proximal end portion 8 are biased away from each other. The first guide portion 13 abuts on the right side surface of the second tip portion 10 and the second guide portion 14 abuts on the left side surface of the first tip portion 7, whereby the first arm portion 3 and the second arm portion 4 relative position in the left-right direction is determined. At this time, the lower surface of the first guide portion 13 contacts the upper surface of the second guide portion 14, whereby the first tip portion 7 moves upward and the second tip portion 10 moves downward. At the same time, the upper surface of the first intermediate portion 6 contacts the lower surface of the second intermediate portion 9 to restrict the movement of the first tip portion 7 and the second tip portion 10 . Thereby, the relative positions of the first arm portion 3 and the second arm portion 4 in the vertical direction are determined.

In the assembled state, the right end portion 26 of the first stopper portion 24 and the left end portion 27 of the second stopper portion 25 are separated from each other. The first locking claw 15 and the second locking claw 16 may be separated from each other or may be in contact with each other. Unless otherwise specified, the assembled state of the fuse puller 1 in this specification means that the first guide portion 13 is in contact with the right side surface of the second tip portion 10 and the second guide portion 14 is in contact with the first tip portion. It refers to a state (closed state) in contact with the left side surface of the portion 7 .

As shown in FIG. 8, in the state before assembly of the fuse puller 1, that is, in the state after molding, the first arm portion 3 and the second arm portion 4 do not intersect with each other when viewed from above. is seperated. A worker or an assembly machine grips the outer surfaces of the first base end portion 5 and the second base end portion 8 and pushes the first base end portion 5 and the second base end portion 8 in a direction toward each other, thereby assembling the fuse. The puller 1 is changed from the pre-assembly state to the post-assembly state. At this time, the first tip portion 7 moves downward with respect to the second tip portion 10 and the second tip portion 10 moves downward from the first tip portion 10 due to the sliding contact between the first slope portion 11 and the second slope portion 12 . Move upwards relative to part 7 . As a result, the first tip portion 7 passes below the second tip portion 10 and reaches the right side of the second tip portion 10 . In addition, since the vertical width of the center portion 22 in the horizontal direction of the base portion 2 is smaller than the vertical width of each of the left end portion 17 and the right end portion 18 of the base portion 2, the base portion 2 is twisted. becomes easier. As a result, the first arm portion 3 is easily displaced downward with respect to the second arm portion 4 . In this state, when the first arm portion 3 and the second arm portion 4 are separated, as shown in FIG. Become.

Next, how to use the fuse puller 1 will be described. As shown in FIG. 10, the fuse 23 includes two terminals 28 arranged in parallel, a fuse element (not shown) connected to base ends (not shown) of the two terminals 28, and a base end (not shown) of the two terminals 28. It has a fuse body 29 covering the ends and the fuse element. Engagement holes 30, which are recesses, are provided on opposite sides of the fuse body 29, respectively. A fuse box (not shown) is formed with a plurality of slots. A tip portion 31 of each terminal 28 of the fuse 23 is inserted into a slot in the fuse box, and a fuse body 29 protrudes from the surface of the fuse box. The locking hole 30 is exposed to the outside while the fuse 23 is inserted into the slot.

An operator pinches the outer surfaces of the first proximal end portion 5 and the second proximal end portion 8 of the fuse puller 1 after assembly, and pulls the first proximal end portion 5 and the second proximal end portion 8 toward each other. push. As a result, as shown in FIG. 9, the first base end portion 5 and the second base end portion 8 approach each other against the biasing force, and the first tip portion 7 and the second tip portion 10 move away from each other. .

As shown in FIG. 9, when the first stopper portion 24 and the second stopper portion 25 abut against each other, the distance between the first tip portion 7 and the second tip portion 10 is maximized. This state is called an open state of the fuse puller 1 . Since the right end portion 26 of the first stopper portion 24 and the left end portion 27 of the second stopper portion 25 abut against each other, the open state of the fuse puller 1 is stabilized.

A fuse body 29 can be received between the first tip 7 and the second tip 10 when the fuse puller 1 is in the open state. As shown in FIG. 10, in a state in which the fuse body 29 is received between the first tip portion 7 and the second tip portion 10, an operator may is weakened, the restoring forces of the first arm portion 3 and the second arm portion 4 cause the first base end portion 5 and the second base end portion 8 to approach each other, and the first base end portion 5 and the second base end portion 8 The base end 8 clamps the fuse body 29 . At this time, the first locking claw 15 and the second locking claw 16 enter the corresponding locking holes 30 and are locked in the locking holes 30 . In this state, an operator can pull out the fuse 23 from the fuse box by hooking a finger on each of the pair of locking surfaces 21 . Since each locking surface 21 faces at least forward, an operator can easily catch a finger on the locking surface 21 .

According to the fuse puller 1 according to the above embodiment, since the base portion 2, the first arm portion 3 and the second arm portion 4 are integrally formed, there is no need to separately prepare the parts of the fuse puller 1. . Therefore, the number of working steps can be reduced compared to the case where the parts are individually prepared.

At the time of assembly, if the first base end portion 5 and the second base end portion 8 are sandwiched so as to be close to each other, the upper edge of the first inclined portion 11 and the lower edge of the second inclined portion 12 are brought into sliding contact with each other, thereby The tip portion 7 can smoothly pass below the second tip portion 10 . Thereby, an operator or an assembly machine can easily put the fuse puller 1 into the state after assembly.

In addition, since a pair of locking surfaces 21 are provided at the left end 17 and the right end 18 of the base portion 2, respectively, when an operator pulls out the fuse 23 from the fuse box, the operator's fingers are placed on each of the locking surfaces 21. , and the fuse 23 can be pulled out stably.

Although the specific embodiments have been described above, the present invention is not limited to the above embodiments and can be widely modified. For example, in the above embodiment, the locking surfaces 21A and 21B are inclined so as to face forward and left and right outwards, but in other embodiments, the locking surfaces 21A and 21B are formed on planes perpendicular to the front-rear direction. good too. Moreover, the locking surfaces 21A and 21B may be formed on the front surfaces of the left and right ends of the base portion 2 .

The upper edge of the first inclined portion 11 may not be inclined downward to the right, and the upper edge of the second inclined portion 12 may not be inclined upward to the left.

As shown in FIG. 11 , the first tip portion 7 may not have the first inclined portion 11 and the second tip portion 10 may not have the second inclined portion 12 . At this time, the upper edge of the first tip portion 7 is preferably inclined downward to the right, and the lower edge of the second tip portion 10 is preferably inclined upward to the left. .

As shown in FIG. 12, the first guide portion 13 and the second guide portion 14 may have different shapes. For example, the left end portion of the first guide portion 13 has a convex portion that protrudes leftward when viewed from the front, and the right end portion of the second guide portion 14 is the first guide portion when viewed from the front. It may have recesses to receive 13 protrusions.

Further, as shown in FIG. 13, the left end of the first guide portion 13 has a rounded projection that projects leftward when viewed from the front, and the second guide portion 14 extends from the front. As seen, it may have a rounded concave portion that receives the convex portion of the first guide portion 13 .

Reference Signs List 1: fuse puller 2: base portion 3: first arm portion 4: second arm portion 5: first base end portion 6: first intermediate portion 7: first tip portion 8: second base end portion 9: second Intermediate portion 10 : Second tip portion 11 : First inclined portion 12 : Second inclined portion 13 : First guide portion 14 : Second guide portion 15 : First locking claw 16 : Second locking claw 17 : Left end 18: right end portion 19: left portion 20: right portion 21A, B: locking surface 22: central portion

Claims (11)

a base portion extending left and right;
a first arm portion extending forward from the left end of the base portion;
a second arm portion extending forward from the right end of the base portion;
The base portion, the first arm portion, and the second arm portion are integrally formed of resin,
The first arm portion and the second arm portion can take a pre-assembly state in which they are separated from each other when viewed from above, and a state after assembly in which they intersect each other when viewed from above,
A first tip portion provided at the tip of the first arm portion and a second tip portion provided at the tip of the second arm portion are, in the post-assembly state, the first arm portion and the second arm portion. fuse pullers urged toward each other by the restoring force of the The first tip portion has a first locking claw protruding toward the second tip portion,
2. The fuse puller according to claim 1, wherein said second tip has a second locking pawl projecting toward said first tip. The first tip portion has a first guide portion extending toward the second tip portion,
The second tip portion has a second guide portion extending toward the first tip portion,
3. The fuse puller according to claim 1, wherein said first guide portion and said second guide portion are in sliding contact with each other. the lower surface of the first guide portion is inclined upward toward the second tip portion;
4. The fuse puller of claim 3, wherein the upper surface of said second guide portion slopes downward toward said first tip portion. The first arm portion has, in order from the base portion side, a first base end portion, a width in the vertical direction smaller than that of the first base end portion, and an upper edge extending from the first base end portion. having a first intermediate portion displaced downward with respect to the upper edge, and the first tip portion having a larger width in the vertical direction than the first intermediate portion;
The second arm portion has, in order from the base portion side, a second base end portion, a width in the vertical direction smaller than that of the second base end portion, and a lower edge extending from the second base end portion. a second intermediate portion that is displaced upward with respect to the lower edge; and the second tip portion that is formed to have a greater width in the vertical direction than the second intermediate portion,
the upper edge of the first tip portion has a first inclined portion that slopes upward from the first intermediate portion toward the tip side of the first arm portion;
5. The lower edge of the second tip portion according to any one of claims 1 to 4, having a second inclined portion that slopes downward from the second intermediate portion toward the tip side of the second arm portion. fuse puller. In the assembled state, the first proximal portion extends forward from the left end of the base portion, the first intermediate portion extends forward and rightward from the front end of the first proximal portion, and the the first tip portion extends forward from the front end of the first intermediate portion;
In the assembled state, the second proximal portion extends forward from the right end of the base portion, the second intermediate portion extends forward and leftward from the front end of the second proximal portion, and the 6. The fuse puller of claim 5, wherein a second tip extends forwardly from a front end of said second intermediate section. The upper edge of the first slope portion slopes downward toward the right,
6. The fuse puller of claim 5, wherein the lower edge of the second sloped portion slopes upward toward the left. 6. The fuse puller according to claim 5, wherein the upper surface of said first intermediate portion and the lower surface of said second intermediate portion are in sliding contact with each other. A pair of hooks facing forward are provided on the left and right ends of the base portion, or on the left side of the first base end on the side of the base portion and on the right side of the second base portion on the side of the base portion. 6. The fuse puller of claim 5, wherein a face is provided. The first base end portion is formed in an arc shape that protrudes toward the right,
The second base end portion is formed in an arc shape that is convex toward the left,
one of the locking surfaces is formed on the left side of the first proximal end portion on the base portion side;
10. The fuse puller according to claim 9, wherein the other of the locking surfaces is formed on a right side portion of the second proximal end portion on the side of the base portion. 10. The fuse puller according to claim 9, wherein the width in the vertical direction of the central portion of the base portion in the horizontal direction is smaller than the width in the vertical direction of each of the left end portion and the right end portion of the base portion. .

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