EP0907467A1 - Appareil tenu a la main entraine par un moteur, a usage domestique et industrie - Google Patents

Appareil tenu a la main entraine par un moteur, a usage domestique et industrie

Info

Publication number
EP0907467A1
EP0907467A1 EP97923704A EP97923704A EP0907467A1 EP 0907467 A1 EP0907467 A1 EP 0907467A1 EP 97923704 A EP97923704 A EP 97923704A EP 97923704 A EP97923704 A EP 97923704A EP 0907467 A1 EP0907467 A1 EP 0907467A1
Authority
EP
European Patent Office
Prior art keywords
hand
housing
held
motor
tool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP97923704A
Other languages
German (de)
English (en)
Inventor
Carlos Santos Marques
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0907467A1 publication Critical patent/EP0907467A1/fr
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/008—Disc-shaped brush bodies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C1/00—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C1/00—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
    • F16C1/10—Means for transmitting linear movement in a flexible sheathing, e.g. "Bowden-mechanisms"
    • F16C1/12—Arrangements for transmitting movement to or from the flexible member
    • F16C1/16—Arrangements for transmitting movement to or from the flexible member in which the end-piece is guided rectilinearly

Definitions

  • the present invention relates to a motor-operated hand-held device for household and commercial use with a stationary motor and a device part to be held in the hand, which carries a tool.
  • a motor-operated hand-held device for household and commercial use with a stationary motor and a device part to be held in the hand, which carries an implement tool, and which is characterized in that the device part to be held in the hand exclusively by means of a drive string and a Bowden cable is connected to the stationary motor
  • Figure 1 An overall view of the motor-operated hand-held device with a brush as
  • Figure 2 is a view of the interior of the actual handheld device
  • FIG. 3 shows a view of the interior of an alternative hand-held device
  • Figure 4 An attachable tool part with a tool housing and a rotatable
  • Figure 5 A clip-on tool part in the form of a cleaning basket
  • FIG. 6 an attachable tool part in the form of a vibrating broom
  • Figure 7 A plug-on tool part in the form of a chopper or mixer
  • Figure 8 A clip-on tool part in the form of a cleaning brush with strong
  • Figure 9 A clip-on tool part in the form of a soft cleaning brush.
  • FIG. 1 The basic principle of this motor-driven hand-held device for household and commercial use is shown in FIG. It has a device part 1 to be held in the hand and a stationary motor 2, which is accommodated here in a housing 3.
  • the housing 3 stands up Rubber feet 4 and has ventilation slots 5 for cooling the motor 2.
  • the housing 3 is equipped with a carrying handle 6, so that this motor 2, which can be used here and there, can be easily carried.
  • the motor connected to the electrical network is switched on via a main switch 64, which is indicated by a control lamp 65. Because the motor remains stationary during actual use, it can be relatively heavy, which enables it to be designed to be powerful enough. When working outdoors, an internal combustion engine in the form of a commercially available stationary motor can be used instead of an electric motor.
  • the hand-held device 1 that is to say the actual device part 1 to be held in the hand, is now connected exclusively to the stationary motor 2 via a drive string 7 and a Bowden cable 8.
  • the drive string 7 leads from the output axis 15 of the motor 2 to the hand-held device 1 and transmits the mechanical power and the torque of the motor 2.
  • the power is regulated from the hand-held device 1, specifically via the Bowden cable 8. The more tension the cable of the Bowden cable, the greater the power drawn.
  • the cable of the Bowden cable 8 is spring-loaded. If no pull is exerted on the cable, the engine 2 switches off or, in the case of an internal combustion engine, it goes into idle running.
  • the power is regulated by a controller actuated by the Bowden cable, while the Bowden cable can directly represent its gas train in the case of an internal combustion engine.
  • the drive string 7 and the Bowden cable 8 can be accommodated in a cable sheath 66 enclosing both of them, so that they are well protected and the connection between the motor and the handheld device also has a visually appealing effect.
  • a slide switch 9 is visible, which is actuated here by the thumb 10 of the hand holding the handheld device 1. With the actuation of this slide 9, the Bowden cable is actuated. The mechanics of this will be described in detail later.
  • the tool part 11 that is currently attached can be seen.
  • This consists of a tool housing 12 with an axis rotatable therein, at the end of which the actual tool 13 is seated. In the example shown, this is a round flat brush.
  • the tool housing 11 can be placed on the bottom of the housing by means of a bayonet catch 14, the output shaft on the housing engaging non-positively with the rotatable axis of the tool part 11.
  • the bayonet lock can also turn itself and transmit the torque, so that the entire work tool housing 11 is rotated. This version is particularly advantageous for applications where larger torques are required.
  • FIG. It is a view from above into the open housing, which is shown in a section.
  • a worm 16 is arranged in this housing 1, running longitudinally. It is mounted in the front of the housing and held further in a rotary bearing 17 screwed into the housing 1 by means of two screws 19. At its rear end, the worm 16 opens into a hexagon 18 onto which the drive string can be attached.
  • the worm 16 itself engages in the worm wheel 20, which carries an outer or inner hexagon (not visible here) on the bottom, onto which the rotatable axis of the tool part can be plugged.
  • the worm wheel can also drive a drive actuator on the outside of the housing 1 via a strong central axis, on which a tool can then be fastened by means of bayonet locks or by means of a thread.
  • a drive actuator on the outside of the housing 1 via a strong central axis, on which a tool can then be fastened by means of bayonet locks or by means of a thread.
  • the slide 9 On the left in the picture you can see the slide 9, which can be moved back and forth in the housing 1 in the direction of the arrow shown.
  • the slide 9 is guided in the housing itself and seals the interior of the housing from the outside, so that the device can also be used under water.
  • the slide 9 has a slot 21 into which a bolt 22 projects. This limits its movement in both directions.
  • the slide 9 forms a toothed rack 23, which engages in a pinion 24.
  • the slide 9 is also loaded by a compression spring 25 which is seated in the housing 1 and is inserted into a bore 26 in the slide. If the slide 9 is now pushed into the housing, which is done with the thumb of the right hand, which also encompasses the entire housing, the rack 23 is moved toward the interior of the housing, as a result of which the pinion 24 is rotated counterclockwise in the drawing. The rack 27, into which the pinion 24 in turn has moved, correspondingly moves upward in the drawing. At the rear end of the rack 27, the cable 28 of the Bowden cable 8 is held. The drive string and the Bowden cable are connected through the opening 29 in the rear of the housing 1.
  • the end of the drive string is equipped with an internal hexagon that fits onto the hexagon 18 and is held by the housing itself, so that the drive string is firmly connected to the housing 1.
  • a certain power setting by the slide 9 can be fixed by providing it with a toothing 30 which engages in a corresponding toothing 31 on the housing. First, push the slide 9 with its thumb as precisely as possible in its direction of movement. Once the desired power has been set, one pushes the thumb forward a little so that the slider 9 clings to the housing 1 with its teeth 30 in the teeth 31.
  • the slide 9 is pulled a little further against the housing and at the same time towards the rear, as a result of which the serrations are detached from one another and the slide is pushed outwards again by means of the force of the spring 25 until the engine stops.
  • the output shaft 32 on this hand-held device 1 points away from the housing base at right angles and thus runs approximately at a right angle to the palm of the hand holding the housing 1.
  • FIG. 3 shows an alternative embodiment of the hand-held device.
  • the housing 1 is round here and has a corrugated upper compartment to make it more secure.
  • the axis 33 which has a hexagon 34 at the rear for connecting the drive string, and a further hexagon 35 at the front for connecting the rotatable axis to the tool part, run in its longitudinal center.
  • the cable 36 of the Bowden cable is actuated via a toothed rack 37, which in turn can be moved back and forth directly by a slide 38.
  • the drive string and the Bowden cable are connected through the opening 39 in the housing 1. Vome on the housing, this has a receiving part 40 for connecting a tool part.
  • three closing elements 41 Arranged in the interior of the receiving part 40 are three closing elements 41, which belong to a bayonet lock, by means of which a tool part can be non-positively connected to the housing 1, the rotatable axis of which, as already mentioned, being connected to the hexagon 35 of the output shaft 33.
  • FIG. 4 shows an attachable tool part with an axis 43 which can be rotated therein and onto which a cleaning sponge 45 is attached.
  • the part 42 of the tool part which belongs in the receiving part on the housing 1 and is fastened to the housing with the bayonet lock.
  • the actual tool here consists of a torsion bar 43 barbs projecting radially from it all around, onto which a foam body 45 is attached.
  • This cleaning sponge 45 can be used excellently for the gentle cleaning of all kinds of dishes and vessels. In particular, all types of drinking glasses, jugs and other tall and narrow vessels can be cleaned effortlessly.
  • part 42 is shown from above.
  • the tool part is then rotated about its axis, as a result of which the closing elements 41 in the slots 46 are displaced into the region 47 with the slot narrowed at the top.
  • the tool part is thus securely guided on the receiving part 40 of the housing and secured in the slots 46 of the bayonet lock by the clamping action of the closing elements 41.
  • FIG. 5 shows a tool which essentially consists of a wire mesh container 48 which has a door for receiving small parts to be washed.
  • This wire mesh container 48 is held at the top on a connecting piece 49, which has the inside for fastening this tool part to the turntable of the housing 1 to be held in the hand.
  • this tool part can also be designed such that the upper part of the connecting piece 49 is firmly connected to the housing 1, and its lower part rotates together with the grating attached to it, because it extends from a central axis through the Connection piece runs, is driven.
  • This tool is used, for example, to clean potatoes, fruits, vegetables and salads. These things are put in the wire mesh container, and then the wire mesh is immersed in water and rotated until the contents are clean.
  • FIG. 6 shows a tool part that can be used as a whisk 50.
  • the connecting piece 51 in turn has bayonet catches and it is penetrated by a central drive shaft 52 which is connected at the bottom to the wire loop 50 which forms the whisk.
  • the tool part is a chopper or mixer.
  • the tool part has a housing 53 with a central drive axis 54 at the bottom, at the end of the drive axis a knife 55 is fastened, which has radially protruding blades 56 curved towards the bottom 57 and towards the top.
  • the housing 53 is fastened to the housing by means of bayonet locks, the hexagon 58 being connected to an internal hexagon on the output axis on the housing.
  • the connection piece 59 you can see a slot 60, which belongs to a bayonet lock.
  • the connection piece 59 is shown in the picture below as seen from above.
  • FIG. 8 shows a type of cleaning brush 61 with strong knobs 62.
  • the entire connecting piece rotates here.
  • This brush 61 is shown seen from below in the upper picture, seen from the side in the middle picture and seen from above in the lower picture.
  • the knobs 62 are injection molded from plastic and are so strong that the brush can act almost like a wire brush to gently remove stubborn dirt from the material to be cleaned.
  • FIG. 9 also shows an ordinary brush with bristles 63 as a tool part, which can also be placed on the housing by means of bayonet catches.
  • a brush can be used to clean all kinds of objects. Especially if, for example, heavily soiled shoes or boots are to be washed, this brush is very convenient because the shoe or boot can be kept under the running water and the brush can be used safely.
  • the hand-held device according to the invention for household and commercial use has the particular advantage that, firstly, the part to be held in the hand contains no motor and is therefore light, and secondly, the part to be held in the hand has no electrical parts and is therefore absolutely can be used safely or partially under water.
  • a motor-operated hand-held device can be equipped with a large number of different tool parts according to this functional principle, not all of which can be described here.
  • a massage brush is also possible, which can be used safely under the shower or in the bathtub, even under water. The brush can also be used to actually clean the body in the shower or in the bathroom.
  • Such a handheld device is recommended for the household, with the motor standing on or above the kitchen combination, for example.
  • the hand-held device then hangs ready to hand over the work surface, the length of the drive string and the Bowden cable being dimensioned such that the hand-held device has a large operating radius. If necessary, the right tool can be quickly attached and you can work with it, as mentioned, also under water or under running water.
  • Such a hand-held device is particularly convenient for cleaning pans with burnt-on crusts. Because of the relatively strong motor, it works significantly quieter than kitchen appliances that are equipped with high-speed motors. In addition, such a stationary motor can easily be moved around in the apartment, for example if cleaning work is to be carried out in other rooms, be it for polishing furniture, for cleaning windows, carpets or floors

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Mechanical Engineering (AREA)
  • Brushes (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)

Abstract

L'appareil tenu à la main présente un moteur fixe et une partie (1) constituant l'appareil proprement dit, tenu à la main et sur laquel un outil (11) est monté. La partie (1) est reliée au moteur fixe (2) exclusivement par l'intermédiaire d'un arbre d'entraînement (7) et d'un câble Bowden (8). La partie (1) comporte un élément coulissant (9) dont l'actionnement entraîne la traction du câble Bowden (8). Ainsi, le moteur peut être mis en marche, arrêté, ainsi que commandé, sa puissance étant réglée en fonction de la traction exercée sur le câble Bowden. Pour qu'il soit possible d'avoir un couple de rotation élevé, la partie (1) servant d'appareil manuel présente, à l'intérieur, une commande à vis sans fin, dans laquelle l'arbre d'entraînement (7) menant audit appareil entraîne une vis sans fin qui, de son côté, est en prise avec une roue à vis sans fin, dont l'arbre de sortie émerge du boîtier (1), permettant ainsi le montage, sur cet arbre de sortie (12), d'une pluralité de différents outils.
EP97923704A 1996-06-10 1997-06-06 Appareil tenu a la main entraine par un moteur, a usage domestique et industrie Ceased EP0907467A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH144196 1996-06-10
CH1441/96 1996-06-10
PCT/CH1997/000228 WO1997047439A1 (fr) 1996-06-10 1997-06-06 Appareil tenu a la main entraine par un moteur, a usage domestique et industrie

Publications (1)

Publication Number Publication Date
EP0907467A1 true EP0907467A1 (fr) 1999-04-14

Family

ID=4210538

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97923704A Ceased EP0907467A1 (fr) 1996-06-10 1997-06-06 Appareil tenu a la main entraine par un moteur, a usage domestique et industrie

Country Status (4)

Country Link
US (1) US6041462A (fr)
EP (1) EP0907467A1 (fr)
AU (1) AU2947697A (fr)
WO (1) WO1997047439A1 (fr)

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Also Published As

Publication number Publication date
US6041462A (en) 2000-03-28
WO1997047439A1 (fr) 1997-12-18
AU2947697A (en) 1998-01-07

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