DE102019107870A1 - dust collectors - Google Patents

Abstract

A dust collector (10) has a wireless communication unit (25; 30; 31; 32; 33; 34; 35; 36; 37) which remotely controls a dust collecting mechanism disposed in a main body (11) of the dust collector (10) (controls). The wireless communication unit of the dust collector (10) can communicate with a paired tool-side wireless communication device (2b) associated with a tool (2), so that the dust collecting mechanism of the main body (11) in a connected manner with starting and stopping the Tool (2) is started and stopped, thereby improving the ease of use and the work efficiency, since the dust collector (10) automatically on and off in coordination with the operation of the tool (2).

Description

TECHNICAL AREA

The present invention generally relates to a dust collector for collecting dust generated when a plate (board, workpiece) is cut by using a cutting tool or a hole is drilled.

STATE OF THE ART

Dust is generated, for example, when sheet materials are cut or holes are drilled in concrete. To keep the working environment clean, the dust may be collected (i.e., simultaneously) or collected (sucked up) using a dust collector (vacuum cleaner) while the dust is being generated.

For example, this discloses Japanese Patent No. 4955332 as an example of simultaneous dust collection, a rolling dust collector directly coupled to a dust generating part of a power tool, such as a disk grinder or a hammer drill, by means of a dust collecting hose. Furthermore, this discloses Japanese Patent No. 4955332 a technique for using wireless communication to start and stop the dust collector. In particular, when the power tool is started, the dust collector is automatically activated (powered on) via the wireless communication (radio link) and starts collecting dust. In addition, when the power tool is stopped, the dust collector automatically stops in a similar manner. Accordingly, since the user only needs to start and stop the power tool (and the dust collector automatically starts and stops in response thereto), the work efficiency can be increased.

As an alternative, as an example of a subsequent collection of dust, those disclosed Japanese Laid-Open Patent Publication 2017-18567 and their family member US 2017/0007085 a battery-powered dust collector that is carried on a user's back by means of shoulder harnesses (shoulder straps). Therefore, the user can hold a power tool with his hand for performing various kinds of work while carrying the cordless dust collector on his back. As a result, the work and the cleaning can be carried out sequentially quickly, ie with minimal interruption of work, thereby enabling a larger area of work to be carried out efficiently than by simultaneously cleaning (vacuuming) using the dust collector of the Japanese Patent No. 4955332 which must be rolled on the floor and has a power cable for supplying power from a commercial power source.

SUMMARY OF TEACHINGS

However, the above-described known dust collector carried on the back has an associated (physical) switch for starting and stopping the dust collector, and the associated switch must be manually operated to start and stop the dust collector, i. in addition to starting and stopping the power tool. Accordingly, the work efficiency decreases. Furthermore, access to the associated switch is inconvenient (not comfortable) because the associated switch is provided on a main body of the dust collector which is behind the user when carried on the back. As a result, in order to operate the switch, the user has to take the main body off his back while further reducing the work efficiency.

It is an object of the present teachings to provide a dust collector which is carried on a back which is easier to use and operate (start / stop), thereby increasing (improving) the work efficiency.

The above object is achieved by a dust collector of claim 1 or by a power tool system according to claim 13. Further embodiments of the present teachings are set forth in the subclaims.

For example, in a first aspect of the present teachings, a dust collector may connect a main body having one end of a dust collecting hose connected thereto and the other end of the dust collecting hose connectable (attachable) to a power tool, a belt or a harness (harness, harness ) adapted to support the main body on a back of the user, and an operating unit for remotely operating the main body (eg, an electric motor that drives a blower, ie, a dust collecting mechanism or a vacuum unit (vacuum cleaner unit) disposed in the main body) , and / or a wireless communication unit, for example, disposed in the operating unit or other area of the dust collector, such as the main body or belt (harness) for transmitting operating commands to the main body (eg, for starting / stopping an electric motor who antes a blower rubs, ie a vacuum unit (vacuum cleaner), which is arranged in the main body). In the first aspect, starting and stopping of the main body (ie, the dust collecting mechanism or the vacuum unit therein) connected by wireless communication with starting and stopping the power tool. In other words, the dust collector is wirelessly and automatically activated and deactivated in response to starting and stopping the operation of the power tool.

Therefore, according to the first aspect, the dust collector according to the first aspect can be carried on the back of the user and does not need to be started and stopped separately (i.e., in addition), and thereby the ease of operation and the work efficiency are improved. For example, a short-range wireless communication standard (e.g., Bluetooth®) may be used as the wireless communication protocol / standard for wireless communication with the power tool via the operation unit or the wireless communication unit. In the first aspect, the dust collector may optionally be started simultaneously with the starting of the power tool, and the dust collector may be stopped after, for example, a prescribed time (eg, a predetermined (factory set time) or a user definable time) from stopping of the power tool. In such an embodiment, the dust collection can be carried out reliably, conveniently and efficiently.

In a second aspect of the present teachings, the wireless communication unit may be provided at a lower portion of the main body.

According to the second aspect, the design freedom with respect to the location of the wireless communication unit is ensured while also ensuring that the wireless communication unit is located at a protected (dustproof) and dustproof location.

In a third aspect of the present teachings, the wireless communication unit may be disposed on a front side or a side side of the dust collector. The front of the main body is the side opposite to the back of the user when the dust collector is worn on the back of the user. The lateral sides of the main body are the outer sides crossing a plane containing the front side (or a portion thereof) of the main body.

According to the third aspect, the wireless communication unit may be disposed at an easily accessible location when the main body is worn on the back of the user because the wireless communication unit is on the side of the main body opposite to the back of the user or on a lateral side is provided.

In a fourth aspect of the present teachings, the wireless communication unit may be disposed on the belt or harness (harness, harness).

According to the fourth aspect, the wireless communication unit is located at a portion of the dust collector that can be easily and conveniently achieved during the dust collection without reducing the work efficiency.

In a fifth aspect of the present teachings, the wireless communication unit may be disposed on a shoulder belt or waist belt of the harness.

According to the fifth aspect, the wireless communication unit can be easily achieved by hand while carrying out the dust collecting.

In a sixth aspect of the present teachings, an adapter for performing wireless communication may be provided on or in (in association with) the wireless communication unit and / or the operation unit. The adapter is optionally removably inserted into a slot or recess of the wireless communication unit so that it can be used with a plurality of power tools and / or dust collectors.

According to the sixth aspect, the signal transmission path between the wireless communication adapter and the wireless communication unit or the operation unit can be shortened, and thereby reliable signal transmission can be achieved. Further, or alternatively, if the adapter is provided on or in the operating unit or the harness which is provided isolated from the main body (which tends to generate a relatively large vibration when the vacuum unit is operated), the Clattering (rattling) of the adapter, etc. prevented or minimized.

For example, in a seventh aspect of the present teachings, the operating unit may have a rectangular box shape and may have on its front surface operating switches (eg, buttons) for starting and stopping the dust collecting mechanism or the vacuum unit (vacuum cleaner unit) disposed in the main body (eg, an electric machine) Engine disposed therein and driving a suction fan). Optionally, the adapter may be in a side part of the operating unit, which is connected to the front surface of the Actuator crosses in a longitudinal direction, be installed (inserted).

According to the seventh aspect of the present teachings, the wireless communication adapter can be installed without causing an increase in size of the operating unit.

For example, in an eighth aspect of the present teachings, the operating unit may have a rectangular box shape and may be operated by placing (holding) the operating unit in a palm. In such an embodiment, a corner part (corner portion) on a longitudinal side of the side part in which the adapter is installed (inserted) may be omitted, e.g. the corner piece for receiving the little finger of the hand holding the operating unit is bent.

According to the eighth aspect, since the operating unit having a failing corner part can be held securely and comfortably in the palm, it is easy to operate, whereby the operating convenience of the operating unit can be improved.

According to a ninth aspect of the present teachings, the operating unit may be connected to the main body via a cable (electric cable) for electrical connection (electrical communication), e.g. for receiving electrical power for powering the operation and for wired communication of signals between the operating unit (i.e., a controller thereof) and a controller (e.g., a microprocessor or other electrical control circuit) disposed in the main body.

According to the ninth aspect, the transmission and reception of signals between the main body and the operating unit via the cable (electric wire) is not subject to interference with other electromagnetic waves, thereby improving the reliability of the wired communication.

In a tenth aspect of the present teachings, the target to be connected by the pairing may be changed from one power tool to another power tool.

According to the tenth aspect, a single dust collector can be shared by and connected to a plurality of power tools, whereby the versatility of the dust collector can be improved.

list of figures

• 1 Fig. 4 is a drawing showing a first representative, non-limiting embodiment of a dust collector according to the present teachings.
• 2 is a slanted view of the dust collector of 1 ,
• 3 Figure 11 is an oblique view of an actuator unit of the first representative dust collector shown with a cover of a wireless communication unit in a closed position.
• 4 is the same oblique view of the operating unit as 3 but the wireless communication unit adapter was pulled out.
• 5 Fig. 10 is an overall view of a dust collector according to second to ninth representative non-limiting embodiments of the present teachings in which a wireless communication unit is disposed in a main body or a harness of the dust collector.

DETAILED DESCRIPTION OF EMBODIMENTS

Representative, non-limiting embodiments of the present teachings will now be described with reference to FIG 1 to 5 described. As in 1 shown when a user 1 for example a hole in a concrete wall 3 using a hand-held tool (drill bit) 2 drills, dust, chips, etc. are generated and can be collected (sucked, sucked up) directly or simultaneously through a dust collector (wireless vacuum cleaner) 10 according to the present teachings, and thereby keep a working environment clean. The dust collector 10 of the representative embodiments are configured to be carried on a back, ie, so that the user 1 the dust collector 10 by carrying it on his back. The hand-held tool 2 has a tool attachment that generates dust, shavings, or other debris, and may be, for example, a hammer drill that drills holes in stone, concrete, or the like. A dust collecting nozzle (dust collecting nozzle) 2a of the dust collector 10 can be attached to the hand-held tool 2 be detachably mounted. A tip part (suction part) of the dust collecting nozzle 2a is mounted so that it is directed in the direction of the dust-generating area, and the opposite end of the dust collecting nozzle 2a is with a first end of a dust collection hose 4 connected. The second (other) end of the dust collection hose 4 is with the dust collector 10 connected. If the dust collector 10 is started, dust generated in the drilling area is immediately (simultaneously) through the dust collecting port 2a collected (sucked in) and inside the dust collector 10 (for subsequent emptying), thereby preventing the dust from being dispersed in the environment.

A tool-side wireless communication device 2 B is on or in the hand-held tool 2 intended. Start and stop signals according to starting or stopping the hand-held tool 2 become wireless from the tool-side wireless communication device 2 B the dust collector 10 (In particular, a wireless communication unit 25 , which will be described later) transmitted. A pusher type shift lever (not shown) provided by the user 1 by pulling (pressing) with his fingertip, is attached to the hand-held tool 2 intended. When the lever (pusher) is pressed and the hand-held tool is pressed 2 is started, a start signal from the tool-side wireless communication device 2 B the dust collector 10 transfer. When the shift lever (pusher) to stop the operation of the hand-held tool 2 is released (released), a stop signal from the tool-side wireless communication device 2 B the dust collector 10 transfer. As will be described in detail later, if the dust collector 10 is in a wireless mode, then is starting and stopping the dust collector 10 with starting and stopping the hand-held tool 2 connected (coupled). Starting the dust collector 10 may be set to coincide with the start of the hand-held tool 2 or shortly before (eg between 0.1-3 seconds before) or shortly afterwards (eg between 0.1-3 seconds afterwards). On the other hand, to stop the dust collector 10 A timer can be set (started) when the hand-held tool 2 is stopped (eg, the trigger is released), so that stopping the dust collector 10 occurs after a predetermined period of time from stopping the operation of the hand-held tool 2 (ie after the trigger switch is released) has elapsed. In this case, the dust collector 10 after the hand-held tool 2 has stopped for a fixed period of time to continue collecting dust from any remaining dust around the front end of the hand-held tool 2 (ie where the user also the front end (suction opening) of the dust collecting nozzle 2a stops while the dust collector 10 continues to suck) continues to operate. The fixed period of time may be a factory set period of time (ie, not changeable), or may be a user changeable period of time, and may be a period of time, for example, between 0.1-10 seconds.

The dust collector 10 The first embodiment of the present teachings has a main body 11 , a harness (harness, harness, harness, harness) 12, to carry the main body 11 is configured on a user's back, and a rectangular box-shaped operating unit (remote control) 20 which can be manually operated by placing it in the palm of the user's hand. A dust collecting mechanism (not shown) is inside the main body 11 arranged. The dust collecting mechanism (vacuum unit (vacuum unit)) may include, for example, a fan (eg, a centrifugal fan) or an impeller provided by an electric motor for sucking air (and dust, etc.) into a dust collecting container (ie, drum, canister, bag , Filter, etc.) of the dust collecting mechanism, although the configuration of the dust collecting mechanism is not particularly limited in the present teachings. For example, the dust collection mechanism may include a cyclone separator and / or a High Efficiency Particulate Air Filter (HEPA) filter. A hose connection opening 11a for connecting the dust collecting hose 4 is at an upper part of the main body 11 intended. A handle 11b (please refer 2 ) for carrying the dust collector 10 by hand (ie when not worn on the back of the user) is the hose connection opening on the back 11a intended.

Further referring to 1 and 2 are two rechargeable battery packs (battery cases) 13 at a lower part of the main body 11 detachably mounted. Electricity (power) is provided by the two battery packs 13 supplied to the electric motor of the dust collecting mechanism, as well as, for example, a light, the operating unit, a controller, etc. Very versatile lithium-ion batteries are preferred in the two battery packs 13 used as well as the source of power of other power tools, such as the hand-held tool 2 , can be used. The two battery packs 13 can be used repeatedly by removing them and charging using a battery charger.

The belt or the harness 12 has a pair of left and right shoulder straps 12a and a girdle 12b on. The user 1 can the main body 11 Wear on his back by putting on the shoulder straps 12a on his left or right shoulder and tightening the hip belt 12b around his waist (waist).

Thus manual operation to start and stop the main body 11 is comfortable and pleasant, the operating unit (remote control or push button power selection control) 20 is with the main body 11 via an electrical cable 21 connected. The user 1 can manually change the main body 11 start and stop (ie, the dust collecting mechanism or the vacuum unit therein) by operating the operating unit 20 (eg by pressing one or more buttons on the actuator unit 20 ), so it is not necessary any switches (buttons) that are attached to the main body 11 to be pressed, which are not visible to the user when the main body is worn on the back of the user. Therefore, it is not necessary to reach around the back side and touch around to operate switches, buttons, etc. As in 3 and 4 shown are pushbutton-type actuation switch 22 . 23 for starting and stopping the dust collecting mechanism (vacuum unit) contained in the main body 11 is included on a front surface of the operating unit (remote control) 20 arranged. When the start operation switch 22 is pressed, the electric motor of the dust collecting mechanism and the dust collecting (suction) starts by means of the dust collecting nozzle 2a is started. When the stop operation switch 23 is pressed, stops the electric motor and dust collecting through the dust collector 2a is stopped, either immediately or after elapse of a specified period of time. Optionally, the actuator unit 20 have one or more buttons or switches for manually setting / inputting this set period of time, that is, the period of time that the dust collector 10 the suction continues after the pusher of the tool 2 was released (ie after the operation of the tool 2 was finished). Furthermore, optionally, the actuator unit 20 a display, such as LED, LCD, one or more lights, etc., the current set period and / or the Sauglüfterraddrehzahl and / or the operating status of the dust collector 10 indicating.

A wireless communication unit 25 and a mode change switch 26 are on a right side part (a longitudinal side which crosses the front side) of the operating unit 20 intended. The wireless communication unit 25 has an adapter 27 for wireless communication, such as a Bluetooth® adapter (dongle, card, etc.) placed in a slot (recess) 25b is insertable. A cap (cover, lid) 25a closes the slot 25b (covers this). As in 3 shown is the adapter 27 inside the slot 25b with closed cap 25a absorbed, so that prevents dust, debris, etc. in the interior of the operating unit 20 entry. If the adapter 27 in the slot 25b is included, is the adapter 27 electrically with a control 28 connected for wireless communication, which in the actuator unit 20 is installed. As in 4 shown when the cap 25a (Relative) is drawn to the long side and the slot 25b opened, the adapter can 27 out of the slot 25b together with the cap 25a to be pulled. If the adapter 27 completely out of the slot 25b pulled out, the adapter can 27 from the controller 28 removed for wireless communication.

Wireless communication, such as wireless communication according to a short-range wireless communication standard (eg, Bluetooth®), is provided between the wireless communication unit 25 the operating unit 20 and the tool-side wireless communication device 2 B of the hand-held tool 2 executed. If a configuration button 25c (Adjustment knob, setup button), which on the cap 25a is provided, pressed and held, the wireless communication part 25 the operating unit 20 with the tool-side wireless communication device 2 B of the hand-held tool 2 paired (connected) serving as a destination to be connected. In the paired state, pairing can be accomplished by pressing and holding the configuration button 25c To get picked up. The same type of adapter (wireless communication module) may be used in the wireless communication unit 25 the operating unit 20 and the tool-side wireless communication device 2 B of the hand-held tool 2 be used. Device registration is performed when the same types of adapters are installed. The registered adapter may then be used by inserting it into other corresponding power tools (ie, another target to be connected, for example, a hand-held cutting tool).

The slidable mode change switch 26 can be switched (shifted) to a wireless mode (wireless mode) in which the wireless communication is enabled, or to a manual mode in which the actuator unit 20 manually operated (ie wireless communication is not possible). ribs 26a are on both a front surface side and a rear surface side of the mode changeover switch 26 for preventing (blocking) unwanted operation of the operating unit 20 intended. Both of the ribs 26a stand outward to the right of the right side panel of the operating unit 20 in front, and the protruding height of the ribs 26a is greater than the height of the mode changeover switch 26 , Because of the ribs 26a becomes an interference of the mode changeover switch 26 with others Avoiding objects, and thereby preventing the mode change switch 26 unintentionally operated (shifted, operated) becomes. It is noted that the distance between the ribs 26a is set sufficiently large so that the user can insert his fingertip therein and the mode change switch 26 can move up or down.

When the mode change switch 26 is shifted to the upper side and the operation is thereby switched to the wireless mode (wireless mode), are the starting and stopping of the hand-held tool 2 and starting and stopping the main body 11 (ie the dust collecting mechanism therein) by wireless communication via the tool-side wireless communication device 2 B and the wireless communication unit 25 connected (coupled). When the mode change switch 26 is shifted to the lower side and the operation is thereby switched to the manual mode, the starting and stopping of the dust collecting mechanism (the vacuum unit) of the main body 11 by pressing the start / stop operation switch (buttons) 22 . 23 executed. Thus, if the wireless communication between the hand-held tool 2 and the operating unit 20 off, the hand-held tool can 2 regardless of starting and stopping the dust collecting mechanism (the vacuum unit) of the main body 11 be started and stopped.

The operating unit 20 has a box shape that is elongated in the up-down direction and has a shape and size that is easy to grip with one hand. A corner portion (ie, the bottom corner portion of the right side portion, which becomes the front side when held by the user) below the mode changeover switch 26 is omitted, and thereby becomes a favorable part 20a educated. The user 1 For example, just touch the finger of his little finger on the inclined part 20a place. By contacting the tip of the little finger or the like with the inclined part 20a can the user 1 comfortable the operating unit 20 to grab. Consequently, a secure tangibility of the operating unit 20 guaranteed. In addition, by providing the inclined part 20a only on one side of the user 1 immediately the front surface and the rear surface of the actuator unit 20 only by feeling / touching, ie without the operating unit 20 to see, to distinguish. As a result, the operating convenience of the operating unit 20 improved.

According to the dust collector 10 The first embodiment configured as described above may be the main body 11 (ie, the dust collecting mechanism therein) in a connected or paired manner with the hand-held tool 2 through the wireless communication unit 25 which on or in the operating unit 20 is scheduled, started and stopped. In the wireless mode (wireless mode), the user must 1 not separately (in addition) the dust collecting mechanism (the vacuum unit (vacuuming unit)) of the main body 11 start and stop and thereby the ease of use and the working efficiency while using the dust collector 10 improved.

Furthermore, because the wireless communication unit 25 on the operating unit 20 is provided, which is gripped by a user's hand, the user can 1 in a simple way the adapter 27 insert and remove the hand-held tool 2 and the dust collector 10 mate (connect), etc., while the main body 11 remains on his back. Furthermore, since the wireless communication unit 25 on the operating unit 20 is provided, this removed (isolated) from the main body 11 , which tends to generate a relatively large (strong) vibration while the dust collecting mechanism is operated. That's why the clatter of the adapter 27 (ie the clatter of the adapter 27 in his slot 25b) can be prevented, and thereby it can be ensured that the wireless communication can be reliably performed.

Furthermore, by compactly arranging the wireless communication unit 25 and the mode changeover switch 26 on the right side part of the operating unit 20 the user 1 comfortable and convenient the wireless communication unit 25 , the mode change switch 26 , etc. using a fingertip of the same hand, which is the operating unit 20 engages, press (operate). This feature is useful because the user has the hand-held tool 2 can hold with the other hand.

Furthermore, the dust collector 10 with another hand-held tool 2 connected or paired as soon as the pairing process using the configuration button 25c is performed. Accordingly, the present embodiment is not limited to the illustrated hammer drill. For example, the dust collector 10 be coupled with, for example, a disk grinder, a cutting tool, such as a circular saw, or the like. Moreover, the present embodiment is not limited to hand-held tools 2 limited. For example, the dust collector 10 For example, with larger cutting or processing machines (ie so-called table tools) are coupled, which are not during the Operations are hand-held, such as a table saw, a miter saw, etc., by pairing the wireless communication unit 25 of the dust collector 10 with the tool-side wireless communication device 2 B of the tool 2 ,

Furthermore, the adapter 27 from the wireless communication unit 25 be removed and used for use with the wireless communication unit of another tool. However, it should be understood that the adapter 27 (wireless communication module or card) instead permanent (permanent, not removable) in the actuator unit 20 may be arranged in other embodiments of the present teachings.

Various modifications may be added to the first embodiment described above. For example, although a wireless dust collector 10 in which battery pack 13 serve as the source of power has been described and in the 1-4 is shown the same wireless communication unit 25 also be used with a dust collector in which a 100-220 volt AC power source serves as the power source, ie the dust collector 10 can be provided with a power cable.

Further, although the present embodiment illustrates a configuration in which by providing the wireless communication unit 25 at the operating unit 20 Problems such as rattling are prevented while the ease of use is increased, the present embodiment is also modified in that instead the wireless communication unit for connecting (pairing) with the hand-held tool 2 on the main body 11 is provided as described below. In such an embodiment, despite the fact that the ease of use, etc. of the wireless communication unit decreases, the ease of use and the work efficiency of the dust collector can be increased. In this regard, the same functions and effects can be achieved.

Furthermore, the wireless communication standard / protocol is not limited to the short-range wireless communication described above. For example, other wireless communication standards, for example, near field communication (NFC) or WiFi may be used.

In addition, though an operating unit 20 with cable passing through the electrical cable 21 with the main body 11 As described above, the illustrated wireless communication unit may also include a wireless operation unit (wireless remote control), wireless communication with the main body 11 to be used. That is, the signal communication between the main body 11 and the wireless communication unit 25 (eg a wireless control unit 20 ) can be wireless, eg using Bluetooth® or another wireless communication protocol.

The second to ninth representative embodiments of the present teachings are described in FIG 5 shown by way of example, in which wireless communication units 30 - 37 each on the main body 11 or the harness 12 in places other than the operating unit 20 are provided. That is, the location of the wireless communication unit (ie, one of the units 30 - 37 ) on the dust collector 10 differs from the first embodiment. Each of the wireless communication units 30 - 37 The second to ninth embodiments have the slot 25b for receiving the adapter 27 and the cap 25a similar to the first embodiment. For all other parts that are not changed, the same reference numerals as in the first embodiment are used. It is noted that although there are eight different locations for placing (arranging) the wireless communication unit 30 - 37 in 5 show that only one wireless communication unit is needed for a particular embodiment. Thus should 5 be understood to compactly represent eight different alternative locations for arranging the wireless communication unit, and each location will be designated by a different reference numeral (ie, one of 30-37).

In particular, the wireless communication unit 30 the second embodiment of the present teachings on the front, bottom, right side of the main body 11 arranged. Alternatively, the wireless communication unit 31 the third embodiment of the present teachings on the front, bottom, left side of the main body 11 be arranged. In another alternative, the wireless communication unit 32 the fourth embodiment of the present teachings on the side, bottom, right side of the main body 11 arranged. In another alternative, the wireless communication unit 33 the fifth embodiment of the present teachings on the side, bottom, left side of the main body 11 arranged.

With reference to the wireless communication units 30 - 33 The second to fifth embodiments is the slot 25b within the main body 11 Are defined. Therefore, when the cap 25a the slot 25b closes, the cap 25a substantially flush with the outer surface of the main body 11 and the respective wireless communication unit 30 - 33 is inserted so as not to be outwardly from the upper surface of the main body 11 protrudes.

In the second to fifth embodiments, each of the wireless communication units 30 - 33 at or near the bottom of the main body 11 arranged at a position which the user can reach with his hand while holding the dust collector 10 on his back. Therefore, the user can easily change the adapter 27 remove while the dust collector 10 placed on the shoulders, allowing an ergonomic (easily accessible) location for the wireless communication unit 30 - 33 is provided.

In further embodiments of the present teachings, the wireless communication unit 34 - 37 on the harness 12 instead of the operating unit 20 or on the main body 11 be arranged. In this regard shows 5 also a sixth embodiment in which the wireless communication unit 34 on the distal end side of the right shoulder strap 12a is arranged. Alternatively shows 5 also a seventh embodiment in which the wireless communication unit 35 on the distal end side of the left shoulder strap 12a is arranged. Because the distal ends of the shoulder straps 12a on the girdle 12b are attached when the dust collector 10 is worn on the back of the user, the wireless communication unit 34 . 35 placed at the level of the waist belt at the front of the user during operation, and thereby additional ergonomic places to reach the adapter 27 provided during operation.

In an eighth embodiment of the present teachings, the wireless communication unit 36 at the right distal end portion of the hip belt 12b be arranged. Alternatively, the wireless communication unit 37 instead on the left distal side area of the hip belt 12b (Ninth embodiment) may be arranged. If the wireless communication unit 36 . 37 at a distal end portion of the hip belt 12b is located, is the wireless communication unit 36 . 37 again at the level of the waist belt on the front or side of the user during operation and thereby additional ergonomic places to reach the adapter 27 provided during operation.

The wireless communication units 34 - 37 The sixth to ninth embodiments are respectively on the front or outer side of the shoulder straps 12a or 12b arranged opposite to the sides of the shoulder straps 12a . 12b are that touch the shoulder or the hip of the user (to this lie). The wiring 34a -37a for each of the wireless communication units 34 - 37 preferably extends within the shoulder straps 12a or the waist belt 12b ie between two cloth areas, called the inside or outside of the shoulder straps 12a or the waist belt 12b serve, so the wiring 34a - 37a is protected from external influences.

If the wireless communication units 34 - 37 on the harness 12 are arranged in the vicinity of the hip of the user during operation, the user can easily use the wireless communication unit 34 - 37 reach while he's the dust collector 10 carries on his back, and thereby become ergonomic places for mounting the adapter 27 intended. Of course, the same operation and the same effects can be achieved even if the wireless communication unit in the vicinity of the shoulder or chest near an end portion or a central portion of the shoulder strap 12a is arranged.

Of course, any of the embodiments described above may be further modified within the scope of the present teachings. For example, although a wireless dust collector 10 , the rechargeable battery pack 13 as its power source disclosed above, the respective wireless communication units 25 . 30 - 37 also be used with a dust collector with cable, which is operated by a commercial AC power supply of 100-240 V.

Further, in the second to fifth embodiments, the wireless communication units 30 - 33 on the main body 11 and in the sixth to ninth embodiments, the wireless communication units 34 - 37 on the harness 12 intended. Therefore, if desired, the actuator unit 20 be omitted. In such embodiments, manually operable switches, buttons, etc. may be attached to the main body 11 and / or on the harness 12 and / or on the wireless communication unit 30 - 37 for entering commands, such as mode change, start, stop in manual mode, changing the set time period, the dust collector 10 its operation continues after the operation of the tool 2 was completed, etc., be provided.

In another alternative embodiment of the present teachings, the wireless communication between the tool 2 and the dust collector 10 and / or between the User and the dust collector 10 can be implemented via an "app" of a mobile device, such as a mobile phone (smartphone), a tablet, a wristwatch, a head-mounted device or other type of portable device. In such an embodiment, the commands to start and stop the dust collector 10 , to change the suction force (fan speed), etc. to the main body 11 by inputting the commands using the app, for example by touching a touch screen or by entering voice commands (ie by voice phrases such as "start sucking", "stop sucking", "increase speed", "decrease speed", etc.) which are input to the app stored in the mobile device. The commands are then processed in the mobile device and a wireless command (radio command) is turned from the mobile device to the main body 11 transfer. Further, or alternatively, the app may be configured with the tool-side wireless communication device 2 B to forward information, commands, etc. from the tool 2 to the dust collector 10 communicate. The app can also display a screen, button, etc. to change the set period of time with which the dust collector 10 the operation (sucking) after stopping the operation of the tool 2 continue to provide.

Furthermore or alternatively, the dust collector 10 an audio or noise sensor, which detects one or more characteristic noises of a rotary motor, such as a drill, a saw, etc., and automatically the vacuum unit of a dust collector 10 after detecting the characteristic noise (the characteristic sounds) (which are audible and inaudible to humans), and automatically the vacuum unit of the dust collector 10 stops after detecting a termination of the characteristic noise (the characteristic noise). In such an embodiment, the tool-side wireless communication device 2 B optional refrain. In a further alternative embodiment, the sound sensor may be the microphone of a mobile device (eg, a smartphone, a wristwatch, a head-mounted computer, etc.) that starts and stops the motor of the tool 2 based on a characteristic engine noise (engine noise) detected and wireless start and stop commands to the dust collector 10 issues (communicates with).

In another embodiment of the present teachings, the tool-side wireless communication device 2 B and the wireless communication unit 25 . 30 - 37 be replaced by an electrical cable that is different from the tool 2 to the dust collector 10 extends and signals such as start and stop signals from the tool 2 to the dust collector 10 and vice versa, if necessary. For example, such an embodiment may be implemented by having an electrical connector, such as a USB port (eg, USB, mini-USB, micro-USB, etc.) in the mechanical connector (holder) that houses the dust collector 2a with the tool 2 physically connects, and in the mechanical connector, the dust collection hose 4 with the main body 11 , eg the hose connection opening 11a , physically connects. The electrical cable that connects the two electrical connectors can pass along the interior of the dust collection hose 4 or along the outer surface of the dust collecting hose 4 run. In this type of wired embodiment, when the dust collector 2a on the tool 2 is mounted and the dust collection hose 4 into the hose connection opening 11a is introduced (which has the electrical connector connected to the electrical connector at the end of the dust collecting hose 4 fits), the electrical connection path between the tool 2 and the dust collector 10 produced simultaneously, thereby providing start / stop commands via a cable connection from the tool 2 to the dust collector 10 can be communicated.

Furthermore, although a hammer drill has been exemplified as an electric power tool above (a target to be mated / mated) with the dust collector 10 for startup and stopping, drilling tools other than the target to be connected / mated may be used. Furthermore, the present dust collectors 10 with hand-held cutting tools, such as circular saws, chainsaws, etc., or other types of tools that generate dust (eg, sawdust, concrete dust, etc.) or other chips (eg, wood chips, metal chips, pieces of stone, etc.) such as grinders, polishers , etc., are used. In addition, the present dust collector 10 are not limited to hand-held tools and can be used with stationary or electric "table top" power tools (power tools placed on tables) such as table saws, miter saws, planers, etc.

In addition, other types of wireless communication standards / protocols may be used with reference to the wireless communication standards / protocols that may be employed in any of the above electric power tools (connected tools) or the above-described dust collector The present teachings are not limited to the short range wireless communication standards / protocols described above. In addition to Bluetooth®, ANT®, WiFi, DASH7 are representative, non-limiting examples of wireless communication standards that can be used with the present teachings. One or both of the tool-side wireless communication device 2 B and the wireless communication unit 25 . 30 - 37 of the dust collector 10 For example, in the form of a wireless card or circuit board that is removably or permanently mounted in or on the tool or dust collector, a wireless dongle, a wireless USB adapter, etc. may be formed.

1. 1. Staubsammler, mit
   • einem Hauptkörperteil, bei dem ein Ende eines Staubsammelschlauches mit diesem verbunden ist und das andere Ende mit einem Kraftwerkzeug verbunden ist,
   • einem Rückentragegurtzeug für den Zweck des Tragens des Hauptkörperteils auf einem Rücken eines Benutzers, und
   • einer Betätigungseinheit zum Fernbetätigen des Hauptkörperteils,
   • bei dem das Starten und Stoppen des Hauptkörperteils durch kabellose Kommunikation mit dem Starten und Stoppen des Kraftwerkzeuges verbunden ist.
2. 2. Staubsammler nach der oben genannten Ausführungsform 1, bei der ein Adapter zum Ausführen von kabelloser Kommunikation an der Betätigungseinheit vorgesehen ist.
3. 3. Staubsammler nach der oben genannten Ausführungsform 2, bei dem
   • die Betätigungseinheit eine rechteckige Kastenform aufweist und an ihrer vorderen Oberfläche Betätigungsschalter zum Starten und Stoppen des Hauptkörperteils aufweist, und
   • der Adapter für kabellose Kommunikation in einem Seitenteil eingebaut ist, der die vordere Oberfläche in einer Längsrichtung kreuzt.
4. 4. Staubsammler nach der oben genannten Ausführungsform 3, bei dem
   • die Betätigungseinheit eine rechteckige Kastenform aufweist und durch Platzieren der Betätigungseinheit in der Handfläche eines Benutzers betätigt werden kann, und
   • ein Eckteil an einer Längsseite eines Seitenteils, bei welchem der Adapter für kabellose Kommunikation eingebaut ist, unterlassen ist.
5. 5. Staubsammler nach der oben genannten Ausführungsform 1, bei dem ein Adapter zum Ausführen von kabellose Kommunikation an den Hauptkörperteil vorgesehen ist.
6. 6. Staubsammler nach einer der oben genannten Ausführungsformen 1-5, bei dem die Betätigungseinheit mit dem Hauptkörperteil über ein Kommunikationskabel verbunden ist.
7. 7. Staubsammler nach einer der oben genannten Ausführungsformen 1-6, bei dem das durch das Paaren zu verbindende Ziel von dem Kraftwerkzeug zu einem anderen Kraftwerkzeug geändert werden kann.

Additional embodiments disclosed herein include, but are not limited to:

1. 1. Dust collector, with
   • a main body part in which one end of a dust collecting hose is connected thereto and the other end is connected to a power tool,
   • a back carry harness for the purpose of supporting the main body portion on a user's back, and
   • an operation unit for remotely operating the main body part,
   • wherein the starting and stopping of the main body part by wireless communication with the starting and stopping of the power tool is connected.
2. 2. A dust collector according to the above-mentioned embodiment 1, wherein an adapter for performing wireless communication is provided on the operating unit.
3. 3. Dust collector according to the above embodiment 2, wherein
   • the actuator unit has a rectangular box shape and has on its front surface operating switch for starting and stopping the main body part, and
   • the wireless communication adapter is installed in a side panel that crosses the front surface in a longitudinal direction.
4. 4. Dust collector according to the above embodiment 3, wherein
   • the operating unit has a rectangular box shape and can be operated by placing the operating unit in the palm of a user, and
   • a corner part on a longitudinal side of a side part, in which the adapter for wireless communication is installed, is omitted.
5. 5. A dust collector according to the above embodiment 1, wherein an adapter for performing wireless communication is provided to the main body part.
6. 6. A dust collector according to any one of the above-mentioned embodiments 1-5, wherein the operating unit is connected to the main body part via a communication cable.
7. A dust collector according to any one of the above-mentioned embodiments 1-6, wherein the target to be connected by the pairing can be changed from the power tool to another power tool.

It is explicitly pointed out that all features disclosed in the description and / or the claims are considered separate and independent of each other for the purpose of original disclosure as well as for the purpose of limiting the claimed invention independently of the feature combinations in the embodiments and / or the claims should. It is explicitly stated that all range indications or indications of groups of units disclose every possible intermediate value or subgroup of units for the purpose of the original disclosure as well as for the purpose of restricting the claimed invention, in particular also as the limit of a range indication.

LIST OF REFERENCE NUMBERS

1

user

2

hand-held tool

2a

Dust collection fitting

2 B

Tool-side wireless communication device

3

concrete wall

4

Dust collection hose

10

dust collectors

11

Main body of the dust collector

11a

Hose connection opening

11b

Handle

12

harness

12a

shoulder strap

12b

garter belt

13

battery Pack

20

Operating unit (remote control)

20a

inclined part

21

electrical cable

22

Operation switch (for starting)

23

Operation switch (to stop)

25

Wireless communication unit (first embodiment)

25a

cap

25b

slot

25c

configuration button

26

Mode changing switch

26a

rib

27

Adapter (for wireless communication)

28

Control (for wireless communication)

30-37

Wireless communication unit (second to ninth embodiments)

34a-37a

Cabling for Wireless Communication Unit (Sixth to Ninth Embodiments)

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• JP 4955332 [0003, 0004]
• JP 201718567 [0004]
• US 2017/0007085 [0004]

Claims (14)

Dust collector (10), with a main body (11) receiving a dust collecting mechanism, a dust collecting hose (4) having a first end connected to the main body and a second end attachable to a power tool (2), a harness (12) attached to the main body (10) adapted to support the main body on a user's back, and a wireless communication unit (25; 30; 31; 32; 33; 34; 35; 36; 37) for starting and stopping the dust collecting mechanism via wireless communication in conjunction with starting and stopping the power tool. Dust collector (10) after Claim 1 in which the wireless communication unit (30; 31; 32; 33) is provided at a lower portion of the main body (11). Dust collector (10) after Claim 2 in which the wireless communication unit (30; 31; 32; 33) is provided on a front side or a side side of the main body (11). Dust collector (10) after Claim 1 in which the wireless communication unit (34; 35; 36; 37) is provided on the harness (12). Dust collector (10) after Claim 4 in that the wireless communication unit (34; 35; 36; 37) is provided on a shoulder strap (12a) or a waist belt (12b) of the harness (12). A dust collector (10) according to any one of the preceding claims, further comprising an actuator unit (20) for manually inputting commands for controlling the dust collection mechanism. Dust collector (10) after Claim 6 in that the operating unit (20) has a rectangular box shape and has on its front surface operating switches (22, 23) for starting and stopping the dust collecting mechanism. Dust collector (10) after Claim 6 or 7 in that the wireless communication unit (25) is provided in or on the operation unit (20), and an adapter (27) for performing wireless communication is provided on or in the wireless communication unit (25). Dust collector (10) after Claim 8 in which the adapter (27) is arranged in a side part of the operating unit which crosses the front surface in a longitudinal direction. Dust collector (10) according to one of Claims 6 to 9 in that the operation unit (20) is configured to be held in a palm of a user, and a curved corner (20a) formed to receive a small finger is formed on the side part of the operation unit (20) the adapter (27) adjacent to a mode change switch (26) receives. Dust collector (10) according to one of Claims 6 to 10 in that the operating unit (20) is connected to the main body (11) via an electrical cable (21) for signal communication. Dust collector (10) according to one of Claims 1 to 11 in which the target to be joined by the pairing can be changed from the power tool (2) to another power tool. Power tool system, with a power tool (2) having a tool accessory and a tool-side wireless communication device (2b) adapted to wirelessly transmit signals indicating that the operation of the power tool (2) has started and stopped, and the dust collector (10) according to any one of the preceding claims, wherein the second end of the dust collecting hose (4) or a dust collecting port (2a) connected thereto is attached to the power tool (2) such that a suction port is proximal to the tool attachment, and the wireless communication unit (25; 30; 31; 32; 33; 34; 35; 36; 37) is paired with the tool-side wireless communication device (2b) for receiving the wirelessly transmitted signals. Power tool system after Claim 13 in which the power tool (2) is selected from the group comprising a drill, a saw, a milling cutter, a grinder, a polisher or a planer.

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