JP2017136666A - Power tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a power tool such as an impact type screw fastening machine of which an outer surface is covered with an elastic resin layer for slip resistance or shock absorption, in the kind of power tool, a label showing a product specification and precautions for use is stuck to the power tool and the label has a large restriction in a conventional stuck portion because of stuck to a housing outer surface avoiding the elastic resin layer; and to enhance a degree of freedom in selection of the label stuck portion.SOLUTION: A label stuck portion 13a having the same color as an elastic resin layer 19 is provided on an outer surface of a housing H13. A label L1 is stuck to the label stuck portion 13a, and thereby the label 1 is surely stuck to the housing without impairing appearance.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an electric tool such as a screw tightener used for screw tightening work, for example.

  The following Patent Document 1 discloses a technique related to a hand-held screw tightener used at a construction site, for example. A label (information display label) for displaying various kinds of information such as specifications, handling precautions, product type, and the like is attached to this type of electric power tool. The display content, size, or affixed part of this type of label is appropriately set according to the country or region (destination) to be used. Usually, this type of label is affixed to an easily visible empty space on the outer surface of the power tool.

JP 2012-139747 A

  In recent years, power tools such as screwing machines have been reduced in size, but it is necessary to ensure the visibility of the information display label and to display a certain amount of information. Therefore, there is a limit to making the label small. For this reason, it has become difficult to affix an information display label on a power tool that is downsized.

  In addition, the surface of the electric tool is covered with an elastic member such as a rubber sheet in order to prevent slipping and to reduce impact at the time of dropping. Since the elastic member is easily deformed and unsuitable as a pasting part, the sticking part of the information display label is limited to a part not covered with the elastic member, and an information display label that requires a certain sticking space also in this respect There are a lot of restrictions on the pasting site.

  The present invention has been made in view of the conventional problems, and an object thereof is to increase the degree of freedom in setting an information display unit on the outer surface of an electric power tool.

  Said subject is solved by each following invention. In the first invention, an outer surface of the housing is coated with an elastic resin layer having a color different from that of the housing, and a label of the same color as the elastic resin layer is attached to a portion of the housing not covered with the elastic resin layer. This is an electric tool provided with a portion and a label for displaying various information on the label attaching portion.

  According to the first invention, the label as the information display portion is the same color as the elastic resin layer, but is attached to the outer surface of the housing suitable for application, not the elastic resin layer. Although it appears that the label is attached to the layer, the label can be reliably attached to the outer surface of the housing, not the elastic resin layer. Conventionally, in order to attach a label, it is necessary to secure a part not covered with the elastic resin layer in a part of the housing, and there is a problem that the appearance (design) is impaired in the color of the part being different from that of the elastic resin layer.

  According to the first invention, since the label is attached to the same color part as the elastic resin layer, the label can be reliably attached without impairing the appearance. It is possible to increase the degree of freedom in selecting the attachment site. The color of the label attaching portion can be set by, for example, so-called two-color molding or double molding at the time of housing molding. Moreover, you may color the color of a label sticking part after housing molding. Furthermore, it is possible to separately prepare a resin-made label attaching portion having the same color as the elastic resin layer, and to connect it to the housing.

  According to a second aspect of the present invention, in the first aspect of the invention, a tool main body having an electric motor incorporated therein, a grip portion extending from the side of the tool main body to the side, and a power supply portion projecting from the grip portion into a rectangular flat plate shape are provided. Power tool. In the second invention, an elastic resin layer is coated on a part of the power source housing of the power source. In the second aspect of the invention, the power supply unit housing has a configuration in which a label attaching portion is integrally provided at a portion where the elastic resin layer is not covered.

  According to the second aspect of the invention, the label can be attached to the label attaching portion having the same color as that of the elastic resin layer on the outer surface of the power source housing. As a result, the label can be reliably attached without impairing the appearance of the power supply housing, and the degree of freedom in selecting the label attaching portion is increased.

  A third invention is a power tool in which a display unit readable by a dedicated reader is provided on an outer surface of a housing.

  According to the third invention, it is possible to display an equivalent amount of information on a smaller display unit, and in this respect, it is possible to increase the degree of freedom in selecting a part where the display unit is arranged. As a display unit that can be read by a dedicated reader, for example, a QR code (registered trademark No. 4075066 of Denso Corporation, the same shall apply hereinafter) or a label displaying a barcode can be attached to the outer surface of the housing.

  A fourth invention is the electric tool according to the third invention, in which a QR code is displayed on the outer surface of the housing to form the display unit.

  According to the fourth aspect, by reading the QR code with a dedicated reader, it is possible to understand information such as product specifications and precautions for use of the power tool. By displaying information using a QR code, a large amount of information can be displayed in a smaller space, and in this respect, the degree of freedom for selecting a part for displaying information can be increased.

  5th invention is equipped with the front-end tool holding part for mounting | wearing a front-end tool with a tool main-body part, This front-end tool holding part is equipped with the operation member for mounting | wearing and removing the said front end tool. The electric tool displaying various information on the outer surface of the operation member.

  According to 5th invention, it is the structure which uses the site | part which was not considered conventionally as a site | part which arrange | positions the display part which displays various information, and raises the freedom degree about the site | part which arrange | positions a display part by this point Can do.

  A sixth aspect of the invention is a power tool according to the fifth aspect of the invention, which is provided with a metallic operation sleeve made of metal as the operation member. In the sixth invention, the outer surface of the operation sleeve is knurled to prevent slipping. In the sixth invention, there is provided a configuration in which various information is displayed by imprinting characters and symbols on the outer surface of the operation sleeve.

  According to the sixth aspect of the invention, various information can be displayed on a portion that has not been used as a conventional information display unit for the reason that the outer peripheral surface is knurled. The degree of freedom for selecting a part for displaying various information on the information is higher than before.

1 is an overall perspective view of a screw tightening machine according to a first embodiment of the present invention. It is an electric tool which concerns on 2nd Embodiment of this invention, Comprising: It is the whole perspective view of a disk grinder. It is an electric tool which concerns on 3rd Embodiment, Comprising: It is a whole side view of a screwing machine. It is an electric tool which concerns on 4th Embodiment, Comprising: It is a whole perspective view of the screwing machine. It is a disassembled perspective view of the whole housing.

  Next, an embodiment of the present invention will be described with reference to FIGS. FIG. 1 shows an electric tool 10 according to the first embodiment. In this example, a so-called impact-type screw tightening machine (impact driver) is shown as an example of the electric tool 10. In the following description, regarding the front-rear direction of the electric power tool 10, the output side (tip tool B side) is the front side, and the front side as viewed from the user is the rear side. Further, the horizontal direction is used based on the user who holds the grip portion 12.

  The electric tool 10 includes a tool body 11, a grip part 12 provided in a state of projecting downward from the lower surface of the tool body 11, and a power supply part 13 provided at a lower part of the grip part 12. A battery pack 14 is attached to the power supply unit 13. As shown in FIG. 5, the housing of each part of the tool main body part 11, the grip part 12, and the power supply part 13 is integrally provided as a part of a resin housing (the entire housing H). The entire housing H has a left / right halved structure in which the left divided housing HL and the right divided housing HR are butted against each other and screwed together. In the following description, a portion of the entire housing H corresponding to the housing of the tool main body 11 is referred to as a main body housing H11, a portion corresponding to the housing of the grip portion 12 is referred to as a grip portion housing H12, and A portion corresponding to the housing is referred to as a power supply housing H13 and is distinguished as necessary.

  A metal case 17 is coupled to the front portion of the main body housing H11 having a substantially cylindrical shape by four fixing screws 17a. The case 17 is covered with a resin case cover 17b. The case 17 is an impact case, and the main body housing H11 including the case 17 is internally provided with an electric motor, a reduction gear train, and a striking mechanism from the rear side. A tip end portion of the anvil corresponding to the output shaft of the rotary striking mechanism protrudes forward from the front portion of the case 17. A bit mounting portion 15 for mounting a tip tool B such as a driver bit is provided at the protruding portion.

  The grip portion 12 (grip portion housing H12) is a portion that is gripped when the user uses the electric power tool 10, and a trigger 16 that is pulled by the user with a fingertip is provided on the front upper portion thereof. When the trigger 16 is pulled, the main switch accommodated in the grip portion housing H12 is turned on to activate the electric motor as a drive source. The output of the electric motor is decelerated by the reduction gear train and transmitted to the rotary impact mechanism. When the screw tightening load applied via the tip tool B mounted on the bit mounting unit 15 reaches a certain value, the rotary hitting mechanism intermittently outputs a hammer in the screw tightening direction to the tip tool B. This rotational impact force ensures that the screw is tightened with a constant torque.

  The power supply unit housing H13 of the power supply unit 13 is provided so as to project mainly forward from the lower part of the grip unit housing H12. The power supply housing H13 has a substantially rectangular flat plate shape. A power supply connection portion including a controller for controlling the rotation operation of the electric motor and a battery connection terminal is accommodated in the power supply portion housing H13. The battery pack 14 is mounted along the lower surface side of the power source housing H13. The battery pack 14 can be attached and detached by sliding back and forth with respect to the power source housing H13. When the battery pack 14 is attached to the power supply unit 13 by sliding from the front side to the rear side, the battery pack 14 is electrically connected to the connection terminal of the power supply connection unit. The battery pack 14 can be repeatedly used by removing it and charging it with a separately prepared charger. The battery pack 14 is a lithium ion battery in which a plurality of battery cells are housed in a battery case. The battery pack 14 can be removed and attached as a power source for other electric tools, and has high versatility. On the front surface of the battery pack 14, a lock button 14 a for setting the attachment lock state with respect to the power supply unit 13 is provided. A hook 18 for hanging the belt is provided on the left side of the power supply unit 13.

  As shown in FIGS. 1 and 5, the outer surfaces of the main body housing H11, the grip housing H12, and the power supply housing H13 are covered with an elastic resin layer 19 for preventing the gripped hand from slipping. The elastic resin layer 19 is covered mainly on the rear side of the main body housing H11, the front side and the rear side of the grip unit housing H12, and the upper surface and side surfaces of the power source housing H13. The elastic resin layer 19 is an elastomer resin layer and is covered by two-color molding or the like when the left and right divided housings HL and HR are molded. In FIG. 1, the elastic resin layer 19 is hatched to indicate the covering range. When the material color of the entire housing H is the first color C1, the elastic resin layer 19 has a material color of the second color C2 different from the first color C1. The first color C1 can be black, for example, and the second color C2 can be blue, for example.

  On the upper surface of the power supply housing H13 and on the front side of the elastic resin layer 19, a label attaching portion 13a is provided. In FIG. 1, the label attaching portion 13a is hatched with a direction different from that of the elastic resin layer 19 so as to be distinguished from other portions of the power supply housing H13. The label attaching part 13a is a part that is formed in a flat plate stepped shape as a part of the power supply part housing H13, but is formed in a color different from other parts. The label attaching portion 13a has the same second color C2 as the elastic resin layer 19. For this reason, in terms of appearance (coloring), the label attaching portion 13 a can be recognized as a part of the elastic resin layer 19. The first label L1 is affixed to the upper surface of the label affixing portion 13a.

  The label attaching portion 13a is a portion that is not covered with the elastic resin layer 19 so as to be a portion for attaching labels, and conventionally, a portion having the same color as other portions of the power supply housing. However, in this embodiment, it is a part having the same second color C2 as the elastic resin layer 19. For this reason, it is easy to recognize that the first label L1 is attached to the elastic resin layer 19 in appearance. However, since the first label L1 is affixed to the label affixing part 13a that is a part of the power supply part housing H13, it does not easily peel off when affixed to the elastic resin layer 19, and is firmly It is securely attached. On the first label L1, for example, notes on use of the electric tool 10 are displayed.

  According to the electric tool 10 of the first embodiment configured as described above, the first label L1 as the information display unit is attached to the power supply unit housing H13 having the same color as the elastic resin layer 19. Unlike the elastic resin layer 19, the outer surface of the power supply housing H13 is not deformed and is suitable for attaching the label and seals. For this reason, according to the first embodiment, it appears that the first label L1 is attached to the elastic resin layer 19 in appearance, but the first label L1 is securely attached to the outer surface of the power supply housing H13. I can keep it.

  Thus, although the material is different from the elastic resin layer 19, the first label L1 is attached to the outer surface of the housing of the same second color C2 as the elastic resin layer 19, so that the external appearance of the elastic resin layer The first label L <b> 1 can be affixed to the site of the same second color C <b> 2 as 19. Therefore, according to the first embodiment, compared with the configuration in which the labels are pasted on the portion where the conventional elastic resin layer is avoided, at least in appearance, the degree of freedom in selecting the pasting portion of the first label L1 is increased. Can be increased.

  In addition, the portion (label attaching portion 13a) to which the first label L1 is attached has the same second color C2 as the elastic resin layer 19 and eliminates the color difference, so that the label attaching portion 13a has a label attaching function. Design can be balanced.

  FIG. 2 shows a power tool 20 according to the second embodiment. In 1st Embodiment, although the screwing machine was illustrated as the electric tool 10, in 2nd Embodiment, a disk grinder is illustrated as the electric tool 20. FIG. A label affixing structure similar to that of the first embodiment is applied to the disc grinder.

  The electric power tool 20 includes a main body portion 21 having an electric motor as a driving source, a gear head portion 22 coupled to the front portion of the main body portion 21, and a power source portion 23 provided at the rear portion of the main body portion 21. Yes. The entire housing H of the electric power tool 20 is a resin housing molded using a resin material of the third color C3 as a raw material. The main body housing H21 of the main body 21 and the power source housing H23 of the power source 23 are integrally molded. It has a halved structure. The main body housing H21 has a substantially cylindrical shape, and has a function as a grip part that a user holds. A paddle operation type switch lever 28 is provided on the lower surface of the main body 21. The switch lever 28 is provided with a lock-off lever 28a for locking in the off position. When the switch lever 28 is pulled while releasing the lock-off lever 28a with the fingertip of the hand holding the main body 21, the electric motor is activated and the blade 25 is rotated. When the switch lever 28 is released, the electric motor stops and the rotation of the blade 25 is stopped.

  The gear head portion 22 has a function of decelerating while rotating the rotation output of the electric motor in a direction perpendicular to the motor shaft through meshing of a bevel gear housed in a metal gear head portion housing H22. The spindle 24 protrudes downward. It has. The gear head housing H22 is made of metal and is coupled to the front portion of the main body housing H21 by four fixing screws 22a. A circular cutting tool (grinding stone) 25 is attached to the lower part of the spindle 24. The range of the rear half of the cutting tool 25 is covered with a cutting tool cover 26 to prevent dust from scattering to the user side.

  The power supply unit 23 is a part to which a battery pack 27 as a power supply is attached, and corresponds to the power supply unit 13 in the electric power tool 10 of the first embodiment. A power supply housing H23 of the power supply 23 is integrally formed on the rear portion of the main body housing H21. Similarly to the first embodiment, a power supply connection portion including a controller for controlling the rotation operation of the electric motor and a battery connection terminal is accommodated in the power supply portion housing H23. A battery pack 27 is mounted along the rear surface side of the power source housing H23. As the battery pack 27, the battery pack 14 of the first embodiment can be used as it is.

  The outer surface of the main body housing H21 and the power supply housing H23 is mainly covered with an elastic resin layer 29 for preventing slipping and absorbing shock. An elastic resin layer 29 is coated on the upper surface and the left and right side surfaces of the main body housing H21 where the hand held by the user hits. As for the power source housing H23, the elastic resin layer 29 is almost entirely covered except for the left and right side portions and the lower surface portion so that the elastic absorption is mainly performed. In FIG. 2, the elastic resin layer 29 is hatched to indicate the coverage area. The elastic resin layer 29 is molded from an elastic material of a fourth color C4 different from the third color C3 of the entire housing H, and is covered on the outer surfaces of the main body housing H21 and the power supply housing H23. Similar to the first embodiment, the third color C3 can be set to, for example, blue (housing color), and the fourth color C4 can be set to, for example, black (rubber color).

  A rectangular window 29a is provided in the elastic resin layer 29 on the lower surface of the power supply housing H23. The power supply housing H23 is exposed through the window 29a. A part of the lower surface of the power source housing H23 that is exposed through the window 29a (a hatched area that is different from the direction of the elastic resin layer 29) is the same fourth color C4 as the elastic resin layer 29. Is colored. The 2nd label L2 is affixed inside the window part 29a.

  Also according to the second embodiment configured as described above, the power supply unit housing in which the second label L2 describing the precautions for use of the power tool 20 is colored in the same fourth color C4 as the elastic resin layer 29 is provided. Affixed to H23. For this reason, according to the second embodiment as well, it appears that the second label L2 is attached to the elastic resin layer 29 in appearance, but the second label L2 is securely attached to the outer surface of the power source housing 23. I can leave. As described above, although the material is different from the elastic resin layer 29, the second label L2 is attached to the outer surface of the entire housing H of the same fourth color C4 as the elastic resin layer 29. The second label L2 can be attached to the same portion of the fourth color C4 as the elastic resin layer 29. From this, also according to the second embodiment, the degree of freedom is increased at least in appearance regarding the selection of the part to which the second label L2 is applied, as compared with the configuration in which the labels are attached to the part avoiding the conventional elastic resin layer. be able to.

  FIG. 3 shows an electric tool 30 according to the third embodiment. The electric power tool 30 is exemplified by an impact-type screw tightening machine as in the first embodiment. As in the first embodiment, the electric power tool 30 includes a tool body 31, a grip 32 provided in a state of projecting downward from the lower surface of the tool body 31, and a power supply 33 provided at the lower part of the grip 32. I have. A battery pack 34 is attached to the power supply unit 33. The housings of each part of the tool main body 31, the grip 32, and the power supply 33 are integrally provided as a part of the entire housing H having a left / right halved structure. Hereinafter, description is abbreviate | omitted about the structure similar to the electric tool 10 which concerns on 1st Embodiment. 3, reference numeral 35 indicates a bit mounting portion, reference numeral 36 indicates a switch lever, reference numeral 37 indicates a metal case, and reference numeral 37a indicates a resin case cover.

  On the outer surface of the main body housing H31 of the tool main body 31, the grip housing H32 of the grip 32, and the power supply housing H33 of the power supply 33, the outer surface of the gripper 32 is elastic to absorb slipping when the gripped hand slips and drops. The resin layer 39 is covered. The elastic resin layer 39 is covered mainly on the rear side of the main body housing H31, the front side and the rear side of the grip unit housing H32, the upper surface and the left and right sides of the power source housing H33. The elastic resin layer 39 is an elastomer resin layer and is covered by two-color molding or the like when the entire housing H is molded. In FIG. 3, the covering range of the elastic resin layer 39 is not shown with hatching, but the elastic resin layer 39 is covered in substantially the same range as in the first embodiment.

  Exposed portions 38 that are not covered with the elastic resin layer 39 are provided on the left and right sides of the tool main body 31. The exposed portion 38 is provided in a generally rectangular shape that is long in the front-rear direction. In the exposed portion 38, the outer surface of the main body housing H31 is exposed. A third label L3 is affixed to the exposed portion 38. On the third label L3, product specifications, usage precautions, and the like are displayed in the language of destination (use country) or alphanumeric characters. Also, the character information is displayed on the third label L3 by QR code or bar code. The QR code and bar code can be read by a dedicated reader or dedicated reading software, and the character information is displayed in a compressed state. The contents displayed on the QR code or the like can include, for example, descriptions of various operation modes of the electric tool 30 and detailed descriptions of mode switching operations.

  According to the electric power tool 30 of the third embodiment configured as described above, the QR code and the bar code are displayed on the third label L3, and these are used by using a dedicated reader. Character information such as precautions for use can be read. By using a QR code or a bar code, character information can be displayed in a smaller display space. In this respect, the degree of freedom in selecting a part to which the third label L3 is to be attached is increased.

  FIG. 4 shows a power tool 40 of the fourth embodiment. The fourth embodiment also exemplifies an impact-type screw tightening machine as the electric tool 40 as in the first and third embodiments. Therefore, the electric tool 40 of the fourth embodiment is provided in a tool main body 41 with an electric motor built therein, a grip part 42 provided so as to protrude downward from the lower surface of the tool main body 41, and a lower part of the grip part 42. The power supply unit 43 is provided. A switch lever 46 is provided on the front surface of the grip portion 42. A battery pack 44 is attached to the power supply unit 43. The housing of each part of the tool main body 41, the grip part 42, and the power supply part 43 is integrally provided as a whole housing H having a left and right halved structure. The outer surfaces of the main body housing H41, the grip housing H42, and the power supply housing H43 are covered with an elastic resin layer 49 for preventing the gripped hand from slipping. In FIG. 4, the covering range of the elastic resin layer 49 is not shown by hatching, but the elastic resin layer 49 is covered in substantially the same range as in the first embodiment.

  A metal case 47 is coupled to the front portion of the main body housing H41 having a substantially cylindrical shape by four fixing screws 47a. The case 47 is covered with a resin case cover 47b. The main body housing H41 including the case 47 is coaxially provided with an electric motor, a reduction gear train, and a striking mechanism from the rear side. A tip end portion of the anvil corresponding to the output shaft of the rotary striking mechanism is projected forward from the front portion of the metal case 47. A bit mounting portion 45 for mounting a tip tool B such as a driver bit is provided at the protruding portion.

  The bit mounting portion 45 is provided with a cylindrical operation sleeve 45a made of metal. The operation sleeve 45a is spring-biased to the front side which locks the tip cutter B in the attached state inserted into the mounting hole 45b. By sliding the operation sleeve 45a to the rear side against the spring bias, the tip blade B can be inserted and attached to the mounting hole 45b, and can be extracted and removed. The outer peripheral surface of the operation sleeve 45a is knurled to prevent the fingertip from slipping.

  The outer peripheral surface of the operation sleeve 45a has a function as a display unit 48 for notifying various information. On the outer peripheral surface of the operation sleeve 45a, characters and symbols indicating the suitability of the tip tool B to be attached (insertion depth of the attachable tip tool), the operation method of the operation sleeve 45a, and the like are displayed. The display 48 can be displayed by means such as stamping, laser marking, or printing.

  According to the power tool 40 of the fourth embodiment, the outer peripheral surface of the operation sleeve 45a, which is usually only subjected to anti-slip knurling, displays information such as compatibility of the tip tool B and its operation method. In this respect, the degree of freedom of selection can be increased with respect to the part for displaying various information of the electric power tool 40.

  Various modifications can be made to the embodiment described above. For example, in the first embodiment, the configuration in which the label attaching portion 13a of the second color C2 is provided in the upper front portion of the power supply housing H13 is illustrated, but the side portion of the power supply housing H13 or the upper surface of the main body housing H11 is exemplified. It is good also as a structure which provided the display part of the 2nd color C2 same as the elastic resin layer 19 in this.

  In addition, the upper surface of the tool main body 11 in FIG. 1 can be the same color (metal color) as the metal case 17. In this case, you may make it affix a label on the upper surface of the main body housing H11 of a metal color.

  In the second embodiment, the third label L3 may be configured to display information that can be directly read by the user, such as characters and symbols, in addition to the QR code and the barcode. The QR code and the barcode may be displayed not only on the side portion of the tool main body portion 31 but also on the upper surface or the rear surface, and may be configured to be displayed on the grip portion 32 or the power source portion 33.

  The instruction manual and exploded view URL (Uniform Resource Locator) may be readable with a QR code. Thereby, for example, a QR code can be read by a smartphone, and an instruction manual and an exploded view can be confirmed via the Internet.

  In the fourth embodiment, the operation sleeve 45a that is operated to move in the axial direction is illustrated. However, a similar display unit 48 may be provided on the outer surface of the operation sleeve that is operated to rotate about the axis.

  In each embodiment, the power tools 10, 20, 30, and 40 that use a rechargeable battery as a power source are illustrated. However, the information display units (labels L1, L2, and L3) that are exemplified for an AC power source power tool that uses a commercial 100V power source. The display unit 48) can be applied.

  In each embodiment, an impact-type screw tightening machine or a disk grinder is exemplified as an electric power tool. However, other forms of electric power such as a cutting machine used for cutting metal materials and wood, a multi-tool used for various operations such as peeling and cutting, etc. Can be widely applied to tools.

10 ... Electric tool (first embodiment)
DESCRIPTION OF SYMBOLS 11 ... Tool body part 12 ... Grip part 13 ... Power supply part, 13a ... Label attaching part 14 ... Battery pack, 14a ... Lock button H ... Whole housing HL ... Split housing (left side), HR ... Split housing (right side)
H11: body housing H12: grip housing H13 ... power supply housing 15 ... bit mounting portion 16 ... trigger 17 ... case, 17a ... fixing screw, 17b ... case cover 18 ... hook 19 ... elastic resin layer L1 ... first label C1 ... 1st color C2 ... 2nd color B ... Tip tool (driver bit)
20 ... Electric tool (second embodiment)
DESCRIPTION OF SYMBOLS 21 ... Main part 22 ... Gear head part, 22a ... Fixing screw 23 ... Power supply part 24 ... Spindle C3 ... Third color C4 ... Fourth color H21 ... Main part housing H22 ... Gear head part housing H23 ... Power supply part housing 25 ... Cutting tool 26 ... Cutting tool cover 27 ... Battery pack 28 ... Switch lever 28a ... Lock-off lever 29 ... Elastic resin layer L2 ... Second label 30 ... Electric tool (third embodiment)
DESCRIPTION OF SYMBOLS 31 ... Tool body part 32 ... Grip part 33 ... Power supply part 34 ... Battery pack 35 ... Bit mounting part 36 ... Switch lever 37 ... Case, 37a ... Case cover 38 ... Exposed part 39 ... Elastic resin layer H31 ... Main part housing H32 ... Grip part housing H33 ... Power supply part housing L3 ... Third label 40 ... Electric tool (fourth embodiment)
DESCRIPTION OF SYMBOLS 41 ... Tool body part 42 ... Grip part 43 ... Power supply part 44 ... Battery pack 45 ... Bit attachment part 45a ... Operation sleeve, 45b ... Installation hole H41 ... Main part housing H42 ... Grip part housing H43 ... Power supply part housing 47 ... Case, 47a ... Fixing screw, 47b ... Case cover 48 ... Display section 49 ... Elastic resin layer

Claims (6)

The outer surface of the housing is covered with an elastic resin layer having a color different from that of the housing, and a label attaching portion of the same color as the elastic resin layer is provided on a portion of the housing not covered with the elastic resin layer. The electric tool which stuck the label which displays various information on this label sticking part. 2. The electric tool according to claim 1, wherein a tool main body part in which an electric motor is installed, a grip part extending from a side part of the tool main body part to a side, and a power supply part projecting from the grip part into a rectangular flat plate shape. A part of the power supply housing of the power supply part is covered with the elastic resin layer, and the label attaching part is integrated with a part of the power supply part housing that is not covered with the elastic resin layer. Electric tool provided. A power tool with a display unit that can be read by a dedicated reader on the outer surface of the housing. The electric tool according to claim 3, wherein a QR code is displayed on the outer surface of the housing to form the display unit. The tool body includes a tip tool holding portion for mounting the tip tool, and the tip tool holding portion includes an operation member for mounting and removing the tip tool, and an outer surface of the operation member. Electric tool that displays various information on 6. The electric tool according to claim 5, wherein the operation member is provided with a metal-made cylindrical operation sleeve, and an outer surface of the operation sleeve is knurled to prevent slipping. The electric tool which displayed the said various information by marking a character and a symbol on the outer surface.

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