JP2015066629A - Impact tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an impact tool improved in handle shape.SOLUTION: An impact tool has a handle 109 connected to a tool body 101. The handle 109 is disposed across an axial line extending in the longitudinal direction of a tip tool 119 in between, and is composed of a pair of handle elements 151 gripped by the right and left hands of an operator. The pair of handle elements 151 are connected to the tool body 101, and have connection parts 153 extending in a direction crossing the axial line and gripping parts 155 connected to the connection parts 153 and extending in a direction crossing an extending direction of the connection parts 153. One and the other gripping parts 155 of the pair of handle elements 151 are disposed such that a single orthogonal surface orthogonal to the axial line at a prescribed position of the axial line passes through the two gripping parts 155. A switch 159 capable of operating a motor 110 is provided on the gripping part 155 of at least one of the pair of handle elements 151.

Description

  The present invention relates to a striking tool that performs a predetermined machining operation on a workpiece by moving a tip tool linearly at least in a long axis direction.

  Japanese Patent Laying-Open No. 2005-254423 discloses a large-sized electric hammer used for downward chipping work. The electric hammer has a handle that is gripped by the operator with left and right hands at a rear end portion of the tool body opposite to a tip region where a hammer bit as a tip tool is mounted. This handle is constituted by a pair of rod-like grips provided so as to protrude from the side surface of the rear end portion of the tool body in the left-right direction intersecting the long axis direction of the hammer bit.

JP 2005-254423 A

  The large electric hammer described in JP-A-2005-254423 is configured such that an operator grips a pair of rod-shaped grips with both hands and performs a chipping operation on concrete or the like with the hammer bit facing downward. . However, the handle constituted by the rod-like grip described in JP-A-2005-254423 has room for improvement with respect to its shape.

  The present invention has been made in view of the above, and an object thereof is to provide an impact tool improved with respect to the shape of the handle.

  In order to achieve the above object, according to a preferred embodiment of the impact tool according to the present invention, an impact tool in which the tip tool linearly moves in the major axis direction is configured. The striking tool has a tool main body having a motor for driving the tip tool, and a handle connected to the tool main body. The handle is disposed with an axis extending in the long axis direction of the tip tool, and is configured by a pair of handle elements that are respectively held by the left and right hands of the operator. Of the pair of handle elements, one handle element is connected to the tool main body and extends in a direction intersecting the axis, and is opposite to the side of the first connection connected to the tool main body. A first gripping portion that is connected to the end portion on the side and extends in a direction intersecting with the extending direction of the first connecting portion. Of the pair of handle elements, the other handle element is connected to the tool body, and is opposite to the second connection part extending in the direction intersecting the axis and the side of the second connection part connected to the tool body. And a second grip portion that is connected to the side end portion and extends in a direction intersecting with the extending direction of the second connecting portion. The first gripping part and the second gripping part are arranged so that a single orthogonal plane orthogonal to the axis passes through the first gripping part and the second gripping part at a predetermined position of the axis. A switch capable of operating the motor is provided on at least one of the first gripping portion and the second gripping portion.

  The “handle connected to the tool body” in the present invention may be an embodiment in which the handle is directly connected to the tool body that houses the motor, or the handle has an elastic element on the tool body. This means that it may be connected to an anti-vibration housing having a structure that is connected so as to be capable of relative movement. In addition, the extending modes of the “first gripping portion” and the “second gripping portion” in the present invention include a mode in which each extends linearly and a mode in which each extends in a curved shape. The “first gripping portion” and the “second gripping portion” typically have a mode of extending in parallel with each other, but may not be in parallel. Moreover, about the "1st connection part" and "2nd connection part" in this invention, as long as a tool main-body part and a holding part can be connected, the extension direction and shape are not ask | required.

  According to the impact tool of the present invention, the operator grips the first grip portion and the second grip portion with the left and right hands, operates the switch provided on one grip portion, drives the motor, A predetermined operation can be performed by linearly moving the tool.

  In the present invention, the “pair of handle elements” are arranged with an axis extending in the long axis direction of the tip tool interposed therebetween. Typically, it is formed symmetrically with respect to an axis extending in the longitudinal direction of the tip tool, for example, symmetrical with respect to the tool body of the impact tool. Therefore, it is possible to grip the first grip portion and the second grip portion with the left and right hands extended in parallel. The striking tool of the present invention is typically configured as a striking tool used for downward work with the tip tool on the bottom and the handle on the top. Such a hitting tool may be used in such a form that an operator deposits his / her body on the handle, that is, a weight is put on the handle. When the work is performed in such a form, according to the striking tool of the present invention, the first gripping portion and the second gripping portion have a first orthogonal surface orthogonal to the axis at a predetermined position of the axis. It is the structure arrange | positioned so that a holding part and a 2nd holding part may be passed, and a 1st holding part and a 2nd holding part become the same height in use condition. For this reason, the operator determines the position of the striking tool so that the first gripping part and the second gripping part are positioned on the left and right sides, so that the left and right hands are oriented so that their palms face each other. It is possible to grip the first gripping portion and the second gripping portion at the position, and it is possible to easily perform the work in the form of putting the weight on the handle with a reasonable posture.

  According to the present invention, the first gripping portion of the handle is disposed so as to extend in a direction intersecting with the extending direction of the first connection portion, and the second gripping portion is an extension of the second connection portion. It arrange | positions so that it may extend in the direction which cross | intersects a present direction. For this reason, for example, when compared with a conventional handle composed of a rod-like grip extending in a direction away from the outer surface of the tool main body, the length of the gripping portion gripped by the operator is easily secured. Thus, it is possible to reduce the amount of protrusion in the direction away from the outer surface of the tool body with respect to the gripping portion. As a result, it is possible to reduce the size of the impact tool in the direction intersecting the major axis direction of the tip tool, and to improve usability.

  According to the further form of the impact tool which concerns on this invention, it is set as the structure by which the 1st holding part and the 2nd holding part are mutually arrange | positioned in parallel. In this case, when viewed from a direction orthogonal to the direction in which the first gripping portion and the second gripping portion extend and parallel to the orthogonal plane, the first gripping portion and the second gripping portion are It is preferable to arrange so that it may overlap. In addition, as a mode in which the first gripping portion and the second gripping portion overlap, the entire region of the gripping portion may overlap or a partial region may overlap.

  According to the further form of the impact tool which concerns on this invention, when it sees from the direction where an axial line extends, a 1st holding part and a 2nd holding part are set as the structure arrange | positioned symmetrically regarding the axis. Here, the “arranged symmetrically” aspect specifically refers to an aspect in which the line is symmetrical with respect to the axis, and an aspect in which the line is symmetrical with respect to the axis center.

According to the further form of the impact tool according to the present invention, in one handle element, two first connection portions are provided at a predetermined interval in the direction in which the first gripping portion extends, An annular closed space is formed by the one connecting portion, the first gripping portion, and the tool main body portion. In the other handle element, two second connecting portions are provided at a predetermined interval in the direction in which the second gripping portion extends, and the two second connecting portions, the second gripping portion, and the tool main body portion. Thus, an annular closed space is formed. That is, an annular closed space is formed for each handle element. Here, “annular” refers to a shape capable of forming a closed space, preferably a continuous shape that is not continuous with respect to the direction extending in an annular shape, and two connecting portions and both connecting portions. For example, a U-shape or C-shape can be formed with the gripping portion disposed between them, and the U-shape end or C-shape end can be connected to the tool body to form an annular shape. It is.
At the work site, the impact tool may be placed on its side. In the case of an impact tool mainly used for downward work, the tool main body side having a motor is heavier than the tip tool side, and the position of the center of gravity is often unevenly distributed, that is, the tool main body side. For this reason, when the striking tool is placed on its side, the handle may receive a shocking external force from the ground or the like. According to this aspect, since each of the handle elements has a configuration in which an annular closed space is formed by the two connecting portions, the gripping portion, and the tool main body portion, it is more resistant to external force than a conventional handle constituted by a pair of rod-shaped grips. Handle strength can be increased and the tool body can be protected. As described above, by forming the handle element in an annular shape, the impact input from the ground or the like to the handle is easily dispersed, which is effective in avoiding stress concentration. In terms of avoiding stress concentration, the connecting area between the gripping part and the connecting part, and the connecting area between the connecting part and the tool body part should have a connecting structure with a curved surface so as to avoid sudden changes in the cross-sectional area. Is preferred.

According to the further form of the impact tool which concerns on this invention, it has a 2nd handle different from a handle. The second handle is composed of a pair of second handle elements that are arranged with the axis therebetween and are respectively held by the left and right hands of the operator. Of the pair of second handle elements, one second handle element is connected to the tool main body, and is connected to a third connecting portion extending in a direction intersecting the axis, and a tool main portion of the third connecting portion. And a third gripping portion extending in a direction intersecting with the extending direction of the third connecting portion. Of the pair of second handle elements, the other second handle element is connected to the tool main body, and is connected to a fourth connecting portion extending in a direction intersecting the axis, and a tool main portion of the fourth connecting portion. And a fourth grip portion extending in a direction intersecting with the extending direction of the fourth connecting portion. The third gripping part and the fourth gripping part are arranged so that the orthogonal plane passes through the third gripping part and the fourth gripping part. A second switch different from the switch that can operate the motor is provided on at least one of the third gripping portion and the fourth gripping portion. In addition, as an aspect in which “the third connection portion and the fourth connection portion are connected to the tool main body portion” in the present invention, an aspect in which each of the third connection portion and the fourth connection portion is directly connected to the tool main body portion. The third connecting portion may be connected to the tool main body portion through one of the first connecting portion and the second connecting portion of the handle, and the fourth connecting portion may be connected to the first connecting portion of the handle and the first connecting portion. The aspect connected to a tool main-body part via either one of 2 connection parts may be sufficient.
According to this aspect, the operator grips the first grip part and the second grip part of the handle with the left and right hands, and the form of gripping the third grip part and the fourth grip part of the second handle. It is possible to use different gripping modes depending on the work situation and the like. In this case, the handle is provided with a switch on at least one of the first gripping portion and the second gripping portion, and the second With respect to the handle, since the second switch is provided in at least one of the third gripping portion and the fourth gripping portion, the operability of the striking tool is not impaired even in any gripping form.

According to the further form of the impact tool which concerns on this invention, the 1st holding part, the 2nd holding part, the 3rd holding part, and the 4th holding part are arrange | positioned at the annular | circular shape surrounding a tool main-body part.
By adopting such a configuration, it is possible to increase the handle strength, and when the impact tool is placed on the side in a shocking manner, the ring shape comes into contact with the ground or the like before the tool main body. The handle of the tool functions as a bumper, thereby avoiding direct interference of the tool body with the ground or the like, and protecting the tool body.

According to the further form of the impact tool which concerns on this invention, the distance between a 1st holding part and a 2nd holding part and the distance between a 3rd holding part and a 4th holding part differ.
According to this aspect, in particular, when the tool main body is rectangular, the first to fourth gripping portions are reasonably arranged.

According to the further form of the impact tool which concerns on this invention, it has the vibration proof housing connected with the tool main-body part through the elastic member so that relative movement was possible. The handle is coupled to the vibration-proof housing and connected to the tool body through the vibration-proof housing.
According to this aspect, vibration transmission from the tool main body portion to the vibration proof housing is reduced by elastic deformation of the elastic member during a predetermined work by the impact tool, and hence vibration transmission to the handle is reduced.

According to the further form of the impact tool which concerns on this invention, it has the vibration proof housing connected with the tool main-body part through the elastic member so that relative movement was possible. The handle and the second handle are coupled to the vibration-proof housing and connected to the tool body through the vibration-proof housing.
According to this aspect, vibration transmission from the tool main body portion to the vibration-proof housing is reduced by elastic deformation of the elastic member during a predetermined work by the impact tool, and consequently vibration transmission to the handle and the second handle is reduced.

  According to the present invention, an impact tool improved with regard to the shape of the handle has been provided.

It is a front view which shows the electric hammer which concerns on 1st Embodiment of this invention. It is sectional drawing which shows the internal structure of an electric hammer. It is A arrow directional view of FIG. It is a B arrow line view of FIG. It is a figure which shows the handle | steering-wheel part of FIG. 4 in a cross section. It is a front view which shows the electric hammer which concerns on 2nd Embodiment of this invention. It is sectional drawing which shows the internal structure of an electric hammer. It is C arrow line view of FIG. FIG. 7 is a view taken in the direction of arrow D in FIG. 6 and shows a part of the handle in section.

(First embodiment of the present invention)
Hereinafter, the first embodiment of the present invention will be described in detail with reference to FIGS. 1st Embodiment of this invention is described using an electric hammer as an example of an impact tool. As shown in FIGS. 1 and 2, the electric hammer 100 according to the present embodiment is equipped with a hammer bit 119, and the hammer bit 119 thus mounted is subjected to a striking operation in the long axis direction, so that a workpiece, for example, concrete is used. It is a striking tool that performs a chiseling work on. The hammer bit 119 corresponds to the “tip tool” in the present invention.

  The electric hammer 100 is configured mainly by a main body 101 that forms an outer shell of the electric hammer 100 when viewed generally. A hammer bit 119 is detachably attached to the distal end region of the main body 101 via a cylindrical tool holder 131. The hammer bit 119 is inserted into the bit insertion hole of the tool holder 131 and is held in a state where relative rotation in the circumferential direction is restricted. The main body 101 corresponds to the “tool main body” in the present invention.

  The main body 101 includes a motor housing 103 that houses the electric motor 110, a gear housing 105 that houses the motion conversion mechanism 120, and a barrel 104 that houses the striking element 140. The main body portion 101 is arranged in the order of the barrel portion 104, the gear housing 105, and the motor housing 103 from the hammer bit 119 side to the opposite side with respect to the major axis direction of the hammer bit 119, and they are fixedly assembled to each other. On the opposite side of the main body 101 from the hammer bit 119 with respect to the major axis direction of the hammer bit 119, an outer housing 107 is arranged, and a main handle 109 gripped by an operator is arranged. Note that the motor housing 103 and the gear housing 105 may be formed integrally.

  The electric hammer 100 according to the present embodiment is a large hammer having a weight of approximately 30 kg. Basically, the operator holds the main handle 109 with the left and right hands, and the hammer bit 119 faces downward. Do the chiseling work. Therefore, in this embodiment, for convenience, the hammer bit 119 side is defined as “lower side” or “lower side” with respect to the major axis direction of the hammer bit 119, that is, the major axis direction of the main body 101, and the opposite side is defined. , “Upper side” or “upper side”.

  The electric motor 110 is configured to be driven by power supply from an alternating current (AC) power source, and the motor shaft 111 of the electric motor 110 intersects with a striking axis extending in the long axis direction of the hammer bit 119. Has been placed. The rotation of the electric motor 110 is appropriately converted into a linear motion by the motion conversion mechanism 120 and then transmitted to the striking element 140, and the hammer bit 119 is moved in the major axis direction (downward in FIG. 1) via the striking element 140. Blow.

  The motion conversion mechanism 120 converts the rotational motion of the electric motor 110 into a linear motion and transmits the linear motion to the striking element 140. The motion conversion mechanism 120 is disposed below the electric motor 110 and via a gear reducer 113 composed of a plurality of gears. The crank mechanism is composed of a crankshaft 121 driven by an electric motor 110, a connecting rod 123, a piston 125, and the like. The piston 125 constitutes a driving element that drives the striking element 140 and is slidable in the cylinder 141 in the same direction as the long axis direction of the hammer bit. The crankshaft 121 is disposed in parallel with the motor shaft 111 of the electric motor 110.

  The striking element 140 is a striker 143 that is slidably disposed in the cylinder 141, and is slidably disposed in the tool holder 131, and transmits the kinetic energy of the striker 143 to the hammer bit 119. It is mainly composed of an impact bolt 145 as a meson. The cylinder 141 is disposed concentrically above the tool holder 131 and has an air chamber 141 a that is partitioned by the piston 125 and the striker 143. The striker 143 is driven via the air spring of the air chamber 141 a accompanying the sliding movement of the piston 125, collides with the impact bolt 145, and hits the hammer bit 119 via the impact bolt 145.

  The outer housing 107 disposed above the main body 101 is provided as a member that covers the motor housing 103 and the gear housing 105 from the outside among the constituent members of the main body 101, and is not illustrated with respect to the motor housing 103. The hammer bit 119 is connected via an elastic member so as to be relatively movable in the major axis direction. The outer housing 107 is configured to be slidably guided in the major axis direction of the hammer bit 119 to the motor housing 103 or the gear housing 105 via a slide guide member (not shown). For this reason, during the hammering operation by driving the electric hammer 100, the vibration in the long axis direction of the hammer bit 119 generated in the main body 101 is reduced in the transmission to the outer housing 107 due to the elastic deformation of the elastic member. The The outer housing 107 corresponds to the “vibration-proof housing” in the present invention.

  When the electric hammer 100 is viewed from above, the motor housing 103 and the gear housing 105 among the constituent members of the main body 101 are formed in a rectangular box shape that is long in the X direction shown in FIG. Hereinafter, the X direction is referred to as the left-right direction. Therefore, the outer housing 107 that covers the motor housing 103 and the gear housing 105 is also formed in a rectangular box shape that is long in the left-right direction corresponding thereto, as shown in FIG.

As shown in FIGS. 1 to 5, a main handle 109 for operating the electric hammer 100 is disposed in the outer housing 107 at a predetermined position of an axis extending in the longitudinal direction of the hammer bit 119 and orthogonal to the axis. They are arranged on a single orthogonal plane. The main handle 109 is a fixed handle fixed to the outer housing 107. As shown in FIGS. 1 and 4, the main handle 109 is disposed on the left and right with an axis extending in the long axis direction of the hammer bit 119. Are arranged symmetrically with respect to the axis, and are constituted by a pair of handle elements 151 respectively held by the left and right hands of the operator. The main handle 109 corresponds to the “handle” in the present invention, and the pair of handle elements 151 corresponds to the “pair of handle elements” in the present invention.
The main handle 109 is on the upper side in the height direction of the electric hammer 100, specifically, in the long axis direction of the hammer bit 119 in the outer housing 107, and the crankshaft of the motor shaft 111 of the electric motor 110 and the motion conversion mechanism 120. It is arranged at a position corresponding to an intermediate area between the shaft 121.

  As shown in FIGS. 4 and 5, the pair of handle elements 151 includes two opposing surfaces among the four surfaces parallel to the longitudinal direction of the hammer bit 119 of the outer housing 107, specifically, an electric hammer. As viewed from above, 100 is provided on each of the left and right side surfaces 107a having short sides. Each of the handle elements 151 includes two connection portions 153 arranged at a predetermined interval in the Y direction shown in FIG. 4 orthogonal to the left-right direction, and a grip portion 155 connected to the two connection portions 153. Hereinafter, the Y direction is referred to as the front-rear direction. One end of each of the two connection portions 153 is connected to the side surface 107a of the outer housing 107, and extends linearly in a direction away from the side surface 107a on the orthogonal surface. The grip portion 155 is connected to the extending end portions of the two connection portions 153, and extends linearly in the front-rear direction along the side surface 107a of the outer housing 107 on the orthogonal surface. In other words, the connecting portion 153 extends in a direction orthogonal to the long axis direction of the hammer bit 119, and the grip portion 155 includes a direction orthogonal to the long axis direction of the hammer bit 119 and an extending direction of the connecting portion 153. Each extends in an orthogonal direction. Thus, each handle element 151 is formed in a lateral U-shape by the two connection portions 153 and the grip portion 155 when the electric hammer 100 is viewed from above. Accordingly, the pair of handle elements 151 are configured such that the orthogonal surfaces pass through the entire connection portion 153 and the grip portion 155. Of the pair of handle elements 151, the connection portion 153 of one handle element 151 (the left side in FIG. 4) corresponds to the “first connection portion” in the present invention, and the grip portion 155 is the “first grip” in the present invention. The connection portion 153 of the handle element 151 on the other side (the right side in FIG. 4) corresponds to the “second connection portion” in the present invention, and the grip portion 155 corresponds to the “second grip portion” in the present invention. Corresponding to

  The grip portion 155 of one handle element 151 and the grip portion 155 of the other handle element 151 are arranged in parallel to each other. In the present embodiment, when viewed from the operator facing the main handle 109, the two gripping portions 155 extend in parallel to each other toward the front, and the two gripping portions 155 extend in parallel to each other. When viewed from a direction that is orthogonal to the direction to be parallel and parallel to the orthogonal plane, the components are arranged so that they all overlap each other. In addition, this structure can also be set as the structure where the two holding | grip parts 155 extend mutually parallel toward the right-hand front or the left-hand front.

  The connection portion 153 and the grip portion 155 are made of a pipe-like member having a circular cross section, and specifically, are configured by joining the left and right halves divided into two along the longitudinal direction of the pipe-like member. The Then, one end of the two connection portions 153 is connected to the side surface 107a of the outer housing 107 by being fixed by a screw member 157. Thus, each handle element 151 is formed in an annular shape including the side surface 107a of the outer housing 107 when the electric hammer 100 is viewed from above. The closed space surrounded by the handle element 151 and the side surface 107a of the outer housing 107 constitutes an annular space that allows insertion of fingers when the grip portion 155 is gripped.

  A push button switch 159 for operating driving and stopping of the electric motor 110 is provided in one of the pair of handle elements 151, specifically, the grip 155 of the left handle element 151 in FIG. 4. ing. This push button switch 159 corresponds to a “switch” in the present invention. Most of the push button switch 159 is housed in the grip portion 155, and a part of the push button 159 a protrudes from the outer surface of the grip portion 155. When the operator grips the grip portion 155, the electric motor 110 is driven when the push button 159a of the push button switch 159 is pressed with a finger or palm, and the electric motor 110 when the press is released. Is configured to stop. And, as described above, for the connection portion 153 and the grip portion 155, if the pipe-shaped member is divided into two along the long axis direction, and the divided left and right halves are joined, It is possible to facilitate the arrangement of the push button switch 159 on the grip portion 155.

  Moreover, according to the structure which joins the divided | segmented right and left halves about the connection part 153 and the holding | grip part 155, the rib-shaped joining protrusion is set inside the half part for the said junction. . In the joined state, the joining protrusions increase the rigidity in the radial direction of the connecting portion 153 and the gripping portion 155, and contribute to an improvement in strength.

  Moreover, in this embodiment, as shown in FIG.2 and FIG.3, the sub handle | steering-wheel 161 used when starting the electric hammer 100 put on the ground etc. on the ground etc. or carrying it is provided. . The sub handle 161 is provided on a front surface 107b and a rear surface 107c having long sides when the electric hammer 100 is viewed from above among four surfaces parallel to the long axis direction of the hammer bit 119 of the outer housing 107. In the case of the electric hammer 100 of this embodiment used for downward work, the housing side that houses the electric motor 110 and the motion conversion mechanism 120 is heavier than the hammer bit 119 side, and the center of gravity G (see FIG. 2) of the electric hammer 100 is larger. It is located above the electric hammer 100. The sub handle 161 is disposed near the center of gravity G with respect to the longitudinal direction of the hammer bit 119.

  The sub handle 161 is a U-shaped movable handle provided on each of the front surface 107b and the rear surface 107c of the outer housing 107, and includes a recess 107d formed on the lower side of the front surface 107b and a recess 107e formed on the lower side of the rear surface 107c. Is arranged. Each sub handle 161 has both U-shaped free ends rotatably attached to the outer housing 107 by a support shaft 163. When not in use, the sub handle 161 is accommodated in the recesses 107d and 107e of the outer housing 107 so as not to protrude from the front surface 107b and the rear surface 107c as shown by a solid line in FIG. When the electric hammer 100 is started up, it is used in a state of being drawn out from the recesses 107d and 107e (refer to the two-dot chain line in FIG. 3) with the support shaft 163 as a rotation fulcrum. The It is preferable that the sub handle 161 is always urged by a torsion spring or the like toward the storage position.

  Further, an oval rubber stopper 165 protruding outward from the front surface 107b and the rear surface 107c is provided on the upper side of the front surface 107b and the rear surface 107c of the outer housing 107. The rubber stopper 165 is provided as a guard member that protects the outer housing 107 by contacting the ground before the outer housing 107 contacts the ground when the electric hammer 100 is placed on its side.

  The electric hammer 100 according to the present embodiment is configured as described above. Therefore, the operator holds the grip portion 155 of the pair of handle elements 151 provided on the left side surface 107a and the right side surface 107a of the outer housing 107 with the left and right hands and pushes the hammer bit 119 downward. The push button 159a of the button switch 159 is pushed to drive the electric motor 110, and the hammer bit 119 is linearly operated to perform the chipping operation on the workpiece.

  According to this embodiment, the main handle 109 is connected to the outer housing 107 provided so as to cover the upper region of the main body 101, and the outer housing 107 can be moved relative to the main body 101 via the elastic member. It is configured to be connected. For this reason, during the chiseling operation, transmission of vibration generated in the main body 101 to the outer housing 107 is reduced by elastic deformation of an elastic member connecting the main body 101 and the outer housing 107. For this reason, the vibration of the main handle 109 connected to the outer housing 107 is also reduced.

  The electric hammer 100 of the present embodiment is used for downward work with the hammer bit 119 on the lower side and the main handle 109 on the upper side. Such an electric hammer 100 may be used in such a state that an operator deposits his / her body on the main handle 109, that is, a form in which a weight is applied to the main handle 109. When performing the work in such a form, according to the electric hammer 100 of the present embodiment, the grip portions 155 of the pair of handle elements 151 are located at predetermined positions on the axis extending in the major axis direction of the hammer bit 119. It arrange | positions so that it may extend along the side surface 107a of the outer housing 107 regarding the single orthogonal surface orthogonal to the said axis line. That is, when the electric hammer 100 is viewed from above, the grip portions 155 of the pair of handle elements 151 extend along the side surface 107a of the outer housing 107 and are located at the same height. For this reason, the operator can grip the left and right grips 155 so that the back of the hand is parallel to the front-rear direction, in other words, with the left and right hands facing each other's palms. Thus, the work in the form of putting the weight on the main handle 109 can be easily performed with a reasonable posture.

  Further, according to the present embodiment, the grip portions 155 of the pair of handle elements 151 are arranged on the single orthogonal plane orthogonal to the axis extending in the long axis direction of the hammer bit 119 at a predetermined position on the outer housing 107. It is configured to extend in parallel in the front-rear direction along the left and right side surfaces 107a. For this reason, for example, when compared with a conventional handle composed of a rod-like grip extending in a direction away from the side surface, the length of the grip portion 155 that the operator grips is easily secured, and the grip portion 155 It is possible to reduce the amount of protrusion in the direction away from the side surface 107a of the outer housing 107 in a crossing manner. Thereby, it is possible to reduce the size of the electric hammer 100 in the direction intersecting the major axis direction of the hammer bit 119, and the usability is also improved.

  Further, according to the present embodiment, the pair of handle elements 151 constituting the main handle 109 are provided in an annular shape on the left and right side surfaces 107a of the outer housing 107. At the work site, the electric hammer 100 is placed on its side. In the case of the electric hammer 100 of this embodiment, the position of the center of gravity G exists on the upper side of the axis extending in the long axis direction of the hammer bit 119, that is, near the crankshaft 121. For this reason, when the electric hammer 100 is placed on its side, the main handle 109 may receive a shocking external force from the ground or the like. At this time, according to the present embodiment, the pair of handle elements 151 are formed in an annular shape by the two connection portions 153, the grip portion 155, and the outer housing 107, so that an impact input from the ground or the like to the handle is received. Compared to a conventional handle composed of a pair of rod-shaped grips, the handle strength against an external force can be increased and the motor housing 103 and the gear housing 105 can be protected.

  Further, according to the present embodiment, the sub handle 161 is provided on the front surface 107 b and the rear surface 107 c of the outer housing 107. Therefore, when the electric hammer 100 placed on its side is set up or transported, the sub-handle 161 can be used to easily start up or carry the electric hammer 100. The sub handle 161 is set near the center of gravity G of the electric hammer 100 with respect to the major axis direction of the hammer bit 119, but it is preferable to set the installation position in consideration of the weight balance during transportation.

  In the present embodiment, in order to arrange the sub handle 161, recesses 107d and 107e are set in the front surface 107b and the rear surface 107c of the outer housing 107. The walls that form the peripheral surfaces of the recesses 107d and 107e form a surface that intersects the front surface 107b or the rear surface 107c, whereby the rigidity of the front surface 107b or the rear surface 107c can be increased. As a result, the setting of the sub handle 161 for the outer housing 107 is effective in improving the strength of the outer housing 107.

  In the present embodiment, the handle element 151 is U-shaped when the electric hammer 100 is viewed from above. However, the shape of the handle element 151 is not limited to the U-shape, and there is one connecting portion 153 connected to the side surface 107a. You may change into the shape where the holding | grip part 155 extends from the one edge part, for example, L shape or T shape.

(Second embodiment of the present invention)
Next, an electric hammer 100 according to a second embodiment of the present invention will be described with reference to FIGS. This embodiment is a modified example related to the main handle connected to the outer housing 107, and the other components are the same as those in the first embodiment described above, and therefore the same reference numerals are given and the description thereof is omitted.

  The main handle 209 according to this embodiment is a fixed handle fixed to the outer housing 107, and includes a first handle 250 and a second handle 270. As shown in FIG. 9, the first handle 250 and the second handle 270 are formed on a single orthogonal plane whose entirety is orthogonal to the axis extending in the longitudinal direction of the hammer bit 119 at a predetermined position. Has been placed. The first handle 250 corresponds to the “handle” in the present invention, and the second handle 270 corresponds to the “second handle” in the present invention.

  As shown in FIG. 9, the first handle 250 is a front surface having a long side when the electric hammer 100 is viewed from above among four surfaces parallel to the long axis direction of the hammer bit 119 of the outer housing 107. The first handle element 251 is formed by a pair of 107b and the rear surface 107c. The pair of first handle elements 251 corresponds to “a pair of handle elements” in the present invention. Each of the pair of first handle elements 251 includes two connection portions 253 arranged at a predetermined interval in the left-right direction, and a grip portion 255 connected to the ends of the two connection portions 253. The first handle element 251 is arranged in the front-rear direction with respect to the axis extending in the major axis direction of the hammer bit 119, specifically, is arranged in a front-rear symmetry with respect to the axis.

  The two front connection portions 253 connected to the front surface 107b of the outer housing 107 extend linearly in a direction away from the front surface 107b on the orthogonal plane, and the extended end portions of the two connection portions 253 The gripping portion 255 is connected to and extends linearly in the left-right direction. Similarly, the two rear connection portions 253 connected to the rear surface 107c of the outer housing 107 extend linearly in a direction away from the rear surface 107c, and the two connection portions 253 extend. A gripping portion 255 is connected to the end portion and extends linearly in the left-right direction. In other words, the connecting portion 253 extends in a direction orthogonal to the long axis direction of the hammer bit 119, and the gripping portion 255 includes a direction orthogonal to the long axis direction of the hammer bit 119 and an extending direction of the connecting portion 153. Each extends in an orthogonal direction. That is, the grip portion 255 extends linearly in the left-right direction along the front surface 107b and the rear surface 107c of the outer housing 107 on the orthogonal surface. Accordingly, the pair of first handle elements 251 are configured such that the orthogonal plane passes through the entire connection portion 253 and the grip portion 255. Of the pair of first handle elements 251, the connection portion 253 of the first handle element 251 on one side (upper side in FIG. 9) corresponds to the “first connection portion” in the present invention, and the grip portion 255 in the present invention. The connecting portion 253 of the first handle element 251 on the other side (the lower side in FIG. 9) corresponds to the “first holding portion” and corresponds to the “second connecting portion” in the present invention, and the holding portion 255 corresponds to the present invention. This corresponds to the “second gripper” in FIG.

  As shown in FIG. 9, the pair of first handle elements 251 is formed in a U shape when the electric hammer 100 is viewed from above, and the U-shaped end portion is connected to the side surface 107 a of the outer housing 107. It is formed in an annular shape. A closed space surrounded by the first handle element 251 and the side surface 107 a of the outer housing 107 allows insertion of fingers when gripping the grip portion 255. The grip portion 255 of one first handle element 251 and the grip portion 255 of the other handle element 251 are arranged in parallel to each other, and the two grip portions 255 are orthogonal to the direction extending in parallel to each other, And when it sees from the direction parallel to the said orthogonal plane, it is set as the structure arrange | positioned so that all may mutually overlap.

  One of the first handle elements 251, specifically, the grip portion 255 of the first handle element 251 on the rear side (the lower side in FIG. 9) is for operating the driving and stopping of the electric motor 110. A first push button switch 259 is provided. The first push button switch 259 corresponds to a “switch” in the present invention. The first push button switch 259 is configured so that most of the first push button switch 259 is accommodated in the grip portion 255 and a part of the push button 259 a protrudes from the outer surface of the grip portion 255. When the operator holds the grip portion 255, the electric motor 110 is driven when the push button 259a of the first push button switch 259 is pressed with a finger or palm, and the electric motor 110 is driven when the press is released. The motor 110 is configured to stop.

  On the other hand, as shown in FIG. 9, the second handle 270, which is one of the constituent members of the main handle 209, is an electric hammer 100 out of four surfaces parallel to the major axis direction of the hammer bit 119 of the outer housing 107. When viewed from above, a pair of second handle elements 271 are provided on the left and right side surfaces 107a having short sides. The pair of second handle elements 271 are arranged on the left and right sides with respect to the axis extending in the major axis direction of the hammer bit 119, specifically, arranged symmetrically with respect to the axis. The pair of second handle elements 271 corresponds to “a pair of second handle elements” in the present invention.

  Each of the pair of second handle elements 271 includes two connection portions 273 disposed at a predetermined interval in the front-rear direction, and a grip portion 275 connected to the end portions of the two connection portions 273, and the connection portion 273 Is connected to the connecting portion 255 of the first handle element 251. That is, in this embodiment, the grip portion 275 of the second handle element 271 is connected to the outer housing 107 via the connection portion 255 of the first handle element 251, but is directly connected to the outer housing 107. May be.

  For each of the second handle elements 271, the two connection portions 273 are linearly extended in the direction away from the side surface 107 a on the orthogonal plane, and a gripping portion is provided at the extending end of the two connection portions 273. 275 is connected and extends linearly in the front-rear direction. In other words, the connecting portion 273 extends in a direction perpendicular to the major axis direction of the hammer bit 119, and the grip portion 275 extends in a direction perpendicular to the major axis direction of the hammer bit 119 and the extending direction of the connecting portion 273. Each extends in an orthogonal direction. That is, the grip portion 275 extends substantially linearly in the front-rear direction along the side surface 107a of the outer housing 107 on the orthogonal plane. Accordingly, the pair of second handle elements 271 are configured such that the orthogonal plane passes through the entire connection portion 273 and the grip portion 275. Of the pair of second handle elements 271, the connection part 273 of one (left side in FIG. 9) of the second handle element 271 corresponds to the “third connection part” in the present invention, and the grip part 275 is in the present invention. The connecting portion 273 of the second handle element 271 on the other side (the right side in FIG. 9) corresponds to the “third gripping portion”, and corresponds to the “fourth connecting portion” in the present invention, and the gripping portion 275 in the present invention. This corresponds to the “fourth grip portion”.

  As shown in FIG. 9, the pair of second handle elements 271 are formed in a U shape or a C shape when the electric hammer 100 is viewed from above, and the end portions of the U shape or the C shape are formed in the outer housing 107. By being connected to the front surface 107b or the rear surface 107c, an annular shape is formed. The closed space surrounded by the second handle element 271 and the front surface 107b or the rear surface 107c of the outer housing 107 constitutes a closed space that allows insertion of fingers when gripping the grip portion 275. The grip part 275 of one second handle element 271 and the grip part 275 of the other handle element 271 are arranged in parallel to each other, and the two grip parts 275 are orthogonal to the direction extending in parallel to each other, And when it sees from the direction parallel to the said orthogonal plane, it is set as the structure arrange | positioned so that all may mutually overlap.

  The connection portions 253 and 273 and the grip portions 255 and 275 of the first handle element 251 and the second handle element 271 are each formed of a pipe-shaped member having a circular cross section, and specifically, in the major axis direction of the pipe-shaped member. The left and right halves divided into two along each other are joined together.

  Of the pair of second handle elements 271, one of the grips 275 of the second handle element 271 on the left side in FIG. 9, specifically, a second push for operating the driving and stopping of the electric motor 110. A button switch 279 is provided. The second push button switch 279 corresponds to the “second switch” in the present invention. Most of the second push button switch 279 is housed in the grip portion 275, and a part of the push button 279a protrudes from the outer surface of the grip portion 275. When the operator grips the grip portion 275, the electric motor 110 is driven when the push button 279a of the second push button switch 279 is pressed with a finger or palm, and the electric motor 110 is driven when the press is released. The motor 110 is configured to stop.

  According to the present embodiment configured as described above, the first handle 250 including the pair of first handle elements 251 and the pair of second handle elements 271 respectively held by the left and right hands of the worker. And a second handle 270 configured as follows. The first handle 250 has a first push button switch 259 that can be operated to drive and stop the electric motor 110 in one gripping portion 255, and the second handle 270 is connected to one gripping portion 275. A second push button switch 279 capable of operating to drive and stop the electric motor 110 is provided.

  Accordingly, the operator can perform work between a mode in which the gripping portion 255 of the first handle 250 is gripped and the chiseling operation is performed and a mode in which the gripping portion 275 of the second handle 270 is gripped and the chiseling operation is performed. The grip form can be properly used according to the situation. In that case, one of the grips 255 of the first handle 250 and one of the grips 275 of the second handle 270 are provided with push button switches 259 and 279 that can drive and stop the electric motor 110, respectively. In any gripping form, the operability of the electric hammer 100 is not impaired.

  In addition, according to the present embodiment, the grip portion 255 of the first handle 250 and the second handle 270 are arranged on a single orthogonal plane orthogonal to the axis extending in the long axis direction of the hammer bit 119 at a predetermined position. The grip portion 275 is formed in an annular shape that surrounds the outer housing 107. For this reason, it is possible to improve the strength of the handle, and when the electric hammer 100 is placed on the ground in a shocking manner, for example, the grip portion 255 of the first handle 250 and the second handle 270 The grip portion 275 abuts on the ground to function as a bumper, thereby avoiding direct interference of the outer housing 107 with the ground and the like, thereby protecting the outer housing 107 and, in turn, the main body 101.

  In addition, according to the present embodiment, the distance between the one gripping portion 255 and the other gripping portion 255 of the first handle 250 and the distance between the one gripping portion 275 and the other gripping portion 275 of the second handle 270. The distance is different. For this reason, when the outer housing 107 is rectangular, the grips 255 and 275 are rationally arranged.

  In the second embodiment, the case where the gripping portion 255 of the first handle 250 and the gripping portion 275 of the second handle 270 are connected to each other and formed in an annular shape surrounding the outer housing 107 has been described. The grip portion 255 of the handle 250 and the grip portion 275 of the second handle 270 may be separated and arranged.

  In the first and second embodiments, the main handles 109 and 209 are provided in the outer housing 107 connected to the main body portion 101 via an elastic member. However, the outer housing 107 is omitted, and the main body portion 101 is provided. You may change to the structure which provides the main handles 109 and 209. Further, in the first and second embodiments, the electric hammer 100 is formed in a longitudinal direction when viewed from above, but is not limited to this shape, and may be, for example, a square, a circle or an ellipse. There is no problem.

  In the first and second embodiments, each of the pair of handle elements 151, the pair of first handle elements 251, and the pair of second handle elements 271 constituting the main handle 109 is entirely the single orthogonal element. Although it is configured to be disposed so as to be positioned on the surface, if at least a part of each of the gripping portions 155, 255, and 275 is disposed on the orthogonal surface among the constituent members of each handle element Good.

  In addition, the connection parts 153, 253, and 273 are changed to a configuration that extends in the horizontal direction when the electric hammer 100 is viewed from the side or the front, and a configuration that extends diagonally upward or diagonally downward, or in the middle of the extension. You may change into the structure which has a level | step difference in this.

  Moreover, although this embodiment demonstrated in the case of the electric hammer as an example of an impact tool, you may apply to the hammer drill which makes the hammer bit 119 perform the linear motion of a major axis direction, and rotation around a major axis direction.

In view of the gist of the present invention, the following aspects can be configured.
(Aspect 1)
"A striking tool according to any one of claims 1 to 10,
The impact tool according to claim 1, wherein the handle is arranged on the opposite side of the tip tool with respect to the longitudinal direction of the tip tool with respect to the center of gravity of the impact tool. "

  According to this aspect 1, when the downward work is performed, since the center of gravity of the impact tool is located below the handle, the operability of the impact tool is good.

(Aspect 2)
“A striking tool according to aspect 1,
A crank mechanism that is housed in the tool body and converts rotation of the motor into linear motion and transmits the linear motion to the tip tool;
The motor shaft of the motor and the crank shaft of the crank mechanism are arranged in parallel with each other and intersecting with respect to the major axis direction of the tip tool,
The handle is disposed in a position corresponding to an intermediate region between the rotation shaft of the motor and the crankshaft of the motion conversion mechanism in the long axis direction of the tip tool in the tool body. Blow tool to do. "

  According to this aspect 2, the handle can be disposed above the center of gravity of the impact tool.

(Aspect 3)
“A striking tool according to claim 1,
The first connecting portion, the second connecting portion, the first gripping portion, and the second gripping portion are configured such that the orthogonal plane has the first connecting portion, the second connecting portion, the first gripping portion, and the second gripping surface. An impact tool characterized by being arranged so as to pass through the entire area of the gripping portion. "

  According to this aspect 3, all of the first connecting portion, the second connecting portion, the first gripping portion, and the second gripping portion have a handle that is disposed at the same height position in the axial direction. A tool is provided.

(Aspect 4)
“A striking tool according to claim 6,
The first connection part, the second connection part, the third connection part, the fourth connection part, the first grip part, the second grip part, the third grip part, and the fourth grip part are The orthogonal plane is the first connection part, the second connection part, the third connection part, the fourth connection part, the first grip part, the second grip part, the third grip part, and the fourth grip part. A striking tool characterized by being arranged so as to pass through the entire area. "

  According to this aspect 4, the first connecting portion, the second connecting portion, the third connecting portion, the fourth connecting portion, the first holding portion, the second holding portion, the third holding portion, and the An impact tool having a handle and a second handle, all of which are arranged at the same height with respect to the axial direction, is provided.

(Correspondence between each component of the embodiment and the component of the present invention)
The relationship between each component in the present embodiment and the invention-specific matters of the component in the present invention is as follows. Of course, each component in the present embodiment is only one example of the configuration related to the specific matters of the present invention, and each component of the present invention is not limited to this.
The electric hammer 100 is an example of a configuration corresponding to the “striking tool” of the present invention.
The hammer bit 119 is an example of a configuration corresponding to the “tip tool” of the present invention.
The main body 101 is an example of a configuration corresponding to the “tool main body” of the present invention.
The outer housing 107 is an example of a configuration corresponding to the “vibration-proof housing” of the present invention.
The main handle 109 and the first handle 250 are an example of a configuration corresponding to the “handle” of the present invention.
The pair of handle elements 151 and the pair of first handle elements 251 are an example of a configuration corresponding to “a pair of handle elements” of the invention.
The connection portion 153 of one handle element 151 and the connection portion 253 of the first handle element 251 are an example of a configuration corresponding to the “first connection portion” of the present invention.
The grip portion 155 of one handle element 151 and the grip portion 255 of one first handle element 251 are an example of a configuration corresponding to the “first grip portion” of the present invention.
The connection part 153 of the other handle element 151 and the connection part 253 of the other first handle element 251 are an example of a configuration corresponding to the “second connection part” of the present invention.
The grip portion 155 of the other handle element 151 and the grip portion 255 of the other first handle element 251 are an example of a configuration corresponding to the “second grip portion” of the present invention.
The push button switch 159 and the first push button switch 259 are an example of a configuration corresponding to the “switch” of the present invention.
The second handle 270 is an example of a configuration corresponding to the “second handle” of the present invention.
The pair of second handle elements 271 is an example of a configuration corresponding to “a pair of second handle elements” of the invention.
The connection portion 273 of one second handle element 271 is an example of a configuration corresponding to the “third connection portion” of the present invention.
The grip portion 275 of one second handle element 271 is an example of a configuration corresponding to the “third grip portion” of the present invention.
The connection portion 273 of the other second handle element 271 is an example of a configuration corresponding to the “fourth connection portion” of the present invention.
The grip portion 275 of the other second handle element 271 is an example of a configuration corresponding to the “fourth grip portion” of the present invention.
The second push button switch 279 is an example of a configuration corresponding to the “second switch” of the present invention.

100 Electric hammer (blow tool)
101 Body (Tool body)
103 Motor housing 104 Barrel portion 105 Gear housing 107 Outer housing (anti-vibration housing)
107a Side 107b Front 107c Rear 107d Recess 107e Recess 109 Main handle (handle)
110 Electric motor 111 Motor shaft 113 Gear reducer 119 Hammer bit (tip tool)
120 motion conversion mechanism 121 crankshaft 123 connecting rod 125 piston 131 tool holder 140 striking element 141 cylinder 141a air chamber 143 striker 145 impact bolt 151 handle element (handle element)
153 connection part (first connection part, second connection part)
155 gripping part (first gripping part, second gripping part)
157 Screw member 159 Push button switch (switch)
159a Push button 161 Sub handle 163 Support shaft 165 Rubber stopper 209 Main handle 250 First handle (handle)
251 First handle element (handle element)
253 connection part (first connection part, second connection part)
255 gripping part (first gripping part, second gripping part)
259 First pushbutton switch (switch)
259a push button 270 second handle (second handle)
271 Second handle element (second handle element)
273 connection part (third connection part, fourth connection part)
275 gripping part (third gripping part, fourth gripping part)
279 Second push button switch (second switch)
279a push button

Claims (10)

An impact tool in which the tip tool moves linearly in the long axis direction,
A tool body having a motor for driving the tip tool;
A handle connected to the tool body,
The handle is disposed with an axis extending in the long axis direction of the tip tool, and is composed of a pair of handle elements that are respectively gripped by the left and right hands of the operator,
Of the pair of handle elements, one handle element is connected to the tool main body, and is connected to a first connecting portion extending in a direction intersecting the axis, and to the tool main portion of the first connecting portion. A first gripping portion that is connected to the opposite end of the first connecting portion and extends in a direction intersecting with the extending direction of the first connecting portion,
Of the pair of handle elements, the other handle element is connected to the tool main body, and is connected to the tool connecting portion of the second connecting portion and a second connecting portion extending in a direction intersecting the axis. A second gripping part that is connected to the opposite end of the second connecting part and extends in a direction intersecting with the extending direction of the second connecting part,
The first gripping part and the second gripping part are arranged so that a single orthogonal plane orthogonal to the axis line at a predetermined position of the axis line passes through the first gripping part and the second gripping part,
A striking tool in which a switch capable of operating the motor is provided on at least one of the first gripping portion and the second gripping portion. The impact tool according to claim 1,
The impact tool, wherein the first gripping part and the second gripping part are arranged in parallel to each other. The impact tool according to claim 2,
When viewed from a direction perpendicular to the direction in which the first gripping portion and the second gripping portion extend and parallel to the orthogonal plane, the first gripping portion and the second gripping portion are The striking tool is arranged so as to overlap each other. It is an impact tool given in any 1 paragraph of Claims 1-3,
The striking tool, wherein the first gripping portion and the second gripping portion are arranged symmetrically with respect to the axis when viewed from the direction in which the axis extends. The impact tool according to any one of claims 1 to 4,
In the one handle element, two first connection portions are provided at a predetermined interval in a direction in which the first grip portion extends, and the two first connection portions, the first grip portion, An annular closed space is formed by the tool body,
In the other handle element, with respect to the direction in which the second gripping portion extends, two of the second connection portions are provided at a predetermined interval, and the two second connection portions, the second gripping portion, and the An impact tool characterized in that an annular closed space is formed by the tool body. It is an impact tool given in any 1 paragraph of Claims 1-5,
A second handle separate from the handle;
The second handle is composed of a pair of second handle elements that are arranged with the axis interposed therebetween and are respectively held by the left and right hands of the operator.
Of the pair of second handle elements, one second handle element is connected to the tool main body and extends in a direction intersecting the axis, and the tool of the third connection A third gripping portion connected to an end opposite to the side connected to the main body portion and extending in a direction intersecting with the extending direction of the third connecting portion;
Of the pair of second handle elements, the other second handle element is connected to the tool body and extends in a direction intersecting the axis, and the tool of the fourth connection part. A fourth grip portion connected to an end opposite to the side connected to the main body portion and extending in a direction intersecting with the extending direction of the fourth connection portion;
The third gripping part and the fourth gripping part are arranged so that the orthogonal plane passes through the third gripping part and the fourth gripping part,
A striking tool, wherein a second switch different from the switch that can operate the motor is provided in at least one of the third gripping portion and the fourth gripping portion. The impact tool according to claim 6,
The impact tool, wherein the first gripping portion, the second gripping portion, the third gripping portion, and the fourth gripping portion are arranged in an annular shape surrounding the tool main body portion. The striking tool according to claim 6 or 7,
The striking tool, wherein a distance between the first gripping part and the second gripping part is different from a distance between the third gripping part and the fourth gripping part. It is an impact tool given in any 1 paragraph of Claims 1-5,
An anti-vibration housing connected to the tool body through an elastic member so as to be relatively movable;
The striking tool is characterized in that the handle is connected to the vibration-proof housing and connected to the tool body through the vibration-proof housing. The impact tool according to any one of claims 6 to 9,
An anti-vibration housing connected to the tool body through an elastic member so as to be relatively movable;
The striking tool, wherein the handle and the second handle are coupled to the vibration-proof housing and are connected to the tool body through the vibration-proof housing.

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