WO2019206720A1 - Ensemble pour une machine-outil portative et machine-outil portative - Google Patents

Ensemble pour une machine-outil portative et machine-outil portative Download PDF

Info

Publication number
WO2019206720A1
WO2019206720A1 PCT/EP2019/059674 EP2019059674W WO2019206720A1 WO 2019206720 A1 WO2019206720 A1 WO 2019206720A1 EP 2019059674 W EP2019059674 W EP 2019059674W WO 2019206720 A1 WO2019206720 A1 WO 2019206720A1
Authority
WO
WIPO (PCT)
Prior art keywords
eyelet
side handle
thread
gripping
arrangement according
Prior art date
Application number
PCT/EP2019/059674
Other languages
German (de)
English (en)
Inventor
Daniela Lachica Koch
Olaf Koch
Original Assignee
Hilti Aktiengesellschaft
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 Hilti Aktiengesellschaft filed Critical Hilti Aktiengesellschaft
Publication of WO2019206720A1 publication Critical patent/WO2019206720A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02—Construction of casings, bodies or handles
    • B25F5/025—Construction of casings, bodies or handles with torque reaction bars for rotary tools
    • B25F5/026—Construction of casings, bodies or handles with torque reaction bars for rotary tools in the form of an auxiliary handle

Definitions

  • the present invention relates to an arrangement for a hand tool and a hand tool.
  • Hand tool machines can be designed, for example, as battery-operated hand tool machines.
  • a hand tool machine may comprise a main handle, which is arranged at the rear, and a side handle, which is arranged at the front.
  • the side handle is usually rotatably attached to the power tool.
  • the hand tool machine may comprise a locking means for locking the side handle.
  • Such hand tool machines can also be used at certain heights, for example on tall buildings or scaffolding. To avoid dropping a hand tool and thereby causing personal injury, it may be a requirement to attach the hand tool to a person or object using a safety belt.
  • the hand tool machine may comprise an eyelet device to which the safety belt can be fastened.
  • EP 2 678 137 B1 shows an eyelet device which is attached to the main handle.
  • An object of the present invention is to provide an improved arrangement for a hand tool.
  • the eyelet device has an eyelet portion adapted to be connected to a safety belt, and a Attachment means adapted to be attached to the side handle.
  • the seat belt can be ergonomically connected to the side handle and thus the hand tool.
  • the eyelet device is close to the hand and in the field of vision of an operator who operates the hand tool. Furthermore, it can be avoided in particular that the eyelet device is attached to a housing of the power tool. Therefore, the seat belt does not disturb the operator. In addition, there is the advantage that the housing does not need to be redesigned and resized and that other functionalities of the housing are not compromised.
  • the eyelet device for example, to existing side handles of hand tool machines, which were not provided in advance for this application, are attached. In particular, so that an existing side handle can be retrofitted in a simple manner.
  • the attachment means of the eyelet device is connected to a further attachment means included in the side handle.
  • the further fastening means is in particular an existing fastening means of the side handle, which was not provided in advance for this application.
  • a standard tool can be provided with the eyelet device, which fits a large number of hand tool machines, in particular with the same side handle.
  • the hand tool is, for example, a hammer drill, a chisel hammer, a core drill, a grinding machine, a screwdriver, a bolt pushing tool or a saw.
  • the hand tool machine comprises a motor for setting a release means (such as a drill or saw blade) in rotation.
  • the hand tool machine further comprises a fastening device, which is adapted to fix the separating means to the hand tool.
  • the fastening device is for example a drill chuck.
  • the hand tool machine comprises a replaceable battery (accumulator), which is adapted to supply the motor with electrical energy.
  • the hand tool machine preferably comprises a main handle, which is arranged at the rear, and the side handle, which is arranged in the front, ie in the vicinity of the chuck (drill chuck side).
  • the side handle may also be referred to as the front handle and the main handle as the rear handle.
  • the eyelet portion comprises a closed ring portion with an opening.
  • “Seat belt” herein means an elongated and flexible fastener, such as a rope, a chain, a belt or a belt.
  • the safety belt can be comprised by the arrangement and optionally connected to the eyelet portion.
  • the seat belt may include a fastener, such as a snap hook, configured to releasably connect the seat belt to the ear portion.
  • the seat belt may comprise a further fastening element.
  • the further fastening element is, for example, to a garment or a supporting structure, for. B. to a railing or to a wall section, attachable.
  • the attachment means and the further attachment means are adapted to be releasably secured to each other.
  • This has the advantage that the side handle and the eyelet device can be separated from each other without destroying each other.
  • the eyelet device is attached to the side handle.
  • the eyelet device is formed of metal or plastic.
  • the attachment means of the eyelet device is a thread
  • the side handle comprises a counter-thread, to which the thread is screwed.
  • the mating thread is formed as the further fastening means.
  • Open handle means, for example, that the end of the handle has no attachment to the housing of the power tool.
  • the eyelet device can be screwed to the side handle instead of an existing cover of the side handle.
  • the fastening means may also be designed as a snap or plug connection.
  • the eyelet device can be attached to the side handle by means of a material connection.
  • the eyelet device can be soldered, welded or glued to the side handle.
  • the eyelet device may be integral with the side handle or part of the side handle.
  • the thread is formed as an internal thread and the counter thread as an external thread.
  • the thread may be formed as an external thread and the counter thread as an internal thread.
  • the thread and the counter thread are formed as metric threads.
  • the side handle comprises a columnar gripping portion, a ring portion and a connecting portion connecting the gripping portion to the ring portion.
  • the gripping portion comprises an internal thread which can be screwed to the mating thread.
  • the gripping portion includes a gripping surface adapted to be gripped by a human hand.
  • the gripping surface is padded.
  • the ring portion engages positively into the connecting portion, d. H. extends partially through the connecting portion.
  • the ring portion is formed, for example, as a ring-shaped band.
  • the connecting portion is formed, for example, as an intermediate portion between the ring portion and the gripping portion.
  • the connecting portion comprises a further gripping surface.
  • the further gripping surface adjoins the gripping surface.
  • the gripping surface and the further gripping surface are spaced from each other.
  • the other gripping surface is padded.
  • the eyelet portion protrudes from a bottom of the gripping portion when the eyelet device is attached to the side handle.
  • the floor is, for example, facing away from the ring section.
  • the bottom comprises an opening in an inner space enclosed by the gripping portion.
  • the attachment means projects into the gripping section.
  • the fastening means can preferably be guided through the opening of the floor.
  • the eyelet device comprises a pipe section which is formed on the eyelet section, which comprises fastening means and projects into the gripping section when the eyelet device is attached to the side handle.
  • the fastening means hidden and therefore provided outside the field of view of the operator.
  • the pipe section sufficiently large forces can be transmitted.
  • the eyelet portion of the eyelet device is arranged eccentrically to a longitudinal axis of the gripping portion when the eyelet device is attached to the side handle.
  • the eyelet section projects from the gripping section in the radial direction of the gripping section.
  • the gripping portion is rotationally symmetrical about the longitudinal axis, which is perpendicular to the radial direction, of the gripping portion.
  • the eyelet device is disposed between the gripping portion and the connecting portion when the eyelet device is attached to the side handle.
  • the connecting portion is column-shaped.
  • the gripping portion continuously merges into the connecting portion.
  • the side handle can be gripped comfortably.
  • the ring portion and the connecting portion are adapted to enclose a round portion of the power tool for rotatably attaching the side handle to the power tool.
  • the side handle can be adjusted relative to the housing of the power tool.
  • the connecting portion comprises a receptacle for the round section.
  • the receiving area and the ring portion enclose an entire circumference of the round portion of the power tool.
  • the side handle rotatably may be formed with the housing of the power tool.
  • the side handle comprises a screw which secures the gripping portion to the connecting portion.
  • the screw extends at least partially through the connecting portion.
  • a screw head of the screw bears on a stop of the connecting section, in particular so that the screw is fixed in a form-fitting manner downwards.
  • the screw head faces the ring portion.
  • one end of the screw which is remote from the screw head, provided within the gripping portion and in particular facing away from the ring portion.
  • the screw comprises the mating thread.
  • the end of the screw is disposed within the tube portion of the eyelet device when the eyelet device is attached to the side handle.
  • the screw is surrounded by the gripping portion and the connecting portion and extends through a longitudinal axis of the connecting portion.
  • the screw outside the field of view.
  • the screw extends at least partially through the longitudinal axis of the gripping portion.
  • the screw is thereby arranged centrally in the gripping section.
  • the handheld power tool comprises a round section to which the side handle is rotatably mounted.
  • the round portion is arranged concentrically with the chuck of the power tool.
  • the round section is a part of the housing of the power tool.
  • the round section is made of plastic educated.
  • the round portion is preferably formed as a bearing seat for the side handle.
  • Fig. 1 is a schematic side view of a hand tool
  • Fig. 2 is a schematic side view of an embodiment of an arrangement of
  • Fig. 4 shows a further embodiment of the arrangement.
  • the hand tool 1 shows a schematic side view of a hand tool 1.
  • the hand tool 1 is for example a hammer drill, a chisel hammer, a core drill, a saw, a grinding machine, a screwdriver, a bolt pushing tool or a saw.
  • the hand tool 1 comprises a housing 2 to which, for example, a battery 3 is attached. Alternatively, a power cable may be attached to the housing 2, which is connectable to a socket (not shown). Furthermore, the housing 2 comprises a main handle 4, which is arranged at the rear. Furthermore, a fastening device 5 for attaching a cutting tool (not shown) is provided. In this case, the fastening device 5 is provided on the front of the hand tool 1.
  • the fastening device 5 is, for example, a chuck.
  • the Hand tool 1 a round section 6, which is arranged between the main handle 4 and the fastening device 5.
  • the round section 6 (indicated by dashed lines) is, for example, cylindrical.
  • the eyelet device 9 comprises an eyelet portion 10 which is adapted to be connected to a safety belt 11. Furthermore, the eyelet device 9 comprises a fastening means 12, which is adapted to be attached to the side handle 8.
  • the seat belt 1 1 comprises a fastening element 13, in particular a snap hook or the like, which is adapted to be releasably connected to the eyelet portion 10.
  • the eyelet portion 10 is formed for example as a closed ring element.
  • the eyelet portion 10 comprises a closed ring portion and is formed as a holding portion which encloses an opening 16.
  • the fastening element 13 engages in the opening 16 to form a positive connection between the eyelet section 10 and the fastening element 13. In particular, thus, the fastener 13 can be securely hooked into the eyelet portion 10.
  • the safety belt 11 comprises a further fastening element 14, in particular a snap hook, which is adapted to be fastened to a support structure 15 or to a person, in particular an operator (not shown).
  • a further fastening element 14 in particular a snap hook
  • Fig. 1 shows the side handle 8 and the eyelet device 9 in unconnected state.
  • Fig. 2 shows the arrangement 7 in a schematic side view.
  • the side handle 8 includes a columnar gripping portion 17, a ring portion 18 and a connecting portion 19 connecting the gripping portion 17 to the ring portion 18.
  • the gripping portion 17 is padded on the outside, for example, to increase gripping comfort.
  • the connecting portion 19 may in particular be padded on the outside.
  • the eyelet portion 10 protrudes from a bottom 20 of the gripping portion 17.
  • the bottom 20 faces away from the ring element 18.
  • the eyelet portion 10 is also remote from the ring portion 18.
  • the gripping portion 17 is rotationally symmetrical about a longitudinal axis L1 of the gripping portion 17.
  • the grommet 9 is attached to the side handle 8 such that the longitudinal axis L1 (extended considered) of the gripping portion 17, the eyelet device 9, in particular the eyelet portion 10, cuts.
  • the eyelet device 9 limits the side handle 8 downwards.
  • the connecting portion 19 preferably connects to an upper side 21 of the gripping portion 17.
  • the top 21 is remote from the bottom 20.
  • the connecting portion 19 is formed in a columnar shape.
  • the connecting portion 19 extends from the upper side 21 along a longitudinal axis L2 of the connecting portion 19 toward the annular element 18.
  • the longitudinal axis L2 is concentric with the longitudinal axis L1.
  • FIG. 3 shows a schematic section III - III from FIG. 2.
  • the section III-III runs through the longitudinal axis L1 and can be referred to as a longitudinal section of the side handle 8 or the arrangement 7.
  • the fastening means 12 of the eyelet device 9 is formed for example as a thread 22, wherein the side handle 8 comprises a mating thread 23, to which the thread 22 can be screwed.
  • the thread 22 is formed as an internal thread.
  • the mating thread 23 is formed as an external thread.
  • the thread 22 may also be formed as an external thread (see FIG. 1), wherein the counter thread 23 is correspondingly designed as an internal thread (not shown).
  • the eyelet device 9 comprises a pipe section 24, which comprises the fastening means 12 and projects into the gripping section 17.
  • the gripping portion 17 is hollow, in particular tubular, is formed.
  • the pipe section 24 is in particular formed rotationally symmetrical to the longitudinal axis L1.
  • the eyelet portion 10 comprises a collar 25, which rests against the bottom 20 and to which the pipe section 24 is integrally formed.
  • the pipe section 24 extends from the collar 25 in the direction of the annular portion 18, wherein the eyelet portion 10 is formed in particular on the collar 25 and extending in the opposite direction (ie away from the annular portion 18) of the collar 25.
  • the gripping portion 17 for example, an internal thread 26 which is screwed onto the mating thread 23.
  • the gripping portion 17 is connected to the intermediate portion 19 by means of a screw connection.
  • the gripping portion 17 preferably screwed to the mating thread 23 before the eyelet device 9 is screwed to the mating thread 23.
  • the side handle 8 includes, for example, a screw 27 which fixes the gripping portion 17 to the connecting portion 19.
  • the screw 27 comprises the mating thread 23.
  • the screw 27 is surrounded in particular by the gripping portion 17 and the connecting portion 19 and extends through the longitudinal axis L2 of the connecting portion 19.
  • a screw head 28 for example, within the connecting portion 19 and an end 29 of the screw 27th (Also referred to in the present case as a screw end) arranged within the gripping portion 17.
  • a stop 30 of the connecting portion 19 serves as a support for the screw head 28.
  • the screw 27 is inserted on the ring element side (from above) into the connecting portion 19.
  • the screw 27 is rotatably provided within the connecting portion 19, so that the eyelet device 9 can be screwed without additional holding the screw 27 to the screw 27.
  • the connecting section 19 comprises a support section 31 on the ring element side.
  • the ring element 18 is guided through the support section 31.
  • end portions 32, 33 of the ring portion 18 are arranged overlapping within the support portion 31.
  • the screw 27 extends through the overlapping arranged end portions 32, 33. Therefore, the ring portion 18, for example, positively connected to the connecting portion 19 and the screw 27.
  • the connecting portion 19 and the ring portion 18 and / or the gripping portion 17 may be integrally formed, in particular centrein Sharingig.
  • the support portion 31 may include a concave receptacle 34.
  • the ring section 18 may in particular comprise a tension band 35.
  • the receptacle 34 and the ring segment 35 enclose an opening 36 through which the round portion 6 of the power tool 1 (see FIG. 1) extends when the assembly 7 is connected to the housing 2 (see FIG. 1).
  • the round portion 6 between the receptacle 34 and the ring segment 35 can be clamped.
  • the receptacle 34 and the ring segment 35 are adapted to enclose the round portion 6 of the hand tool 1 for rotatably attaching the side handle 8 to the power tool 1.
  • locking means may be provided to fix the side handle 8 to the housing 2 (see FIG.
  • the eyelet device 9 is arranged between the gripping section 17 and the connecting section 19. Furthermore, the eyelet portion 10 of the eyelet device 9 is arranged eccentrically to the longitudinal axis L1 of the gripping portion 17.
  • the eyelet device 9 is formed as a nut 37, to which the eyelet portion 10 is formed radially.
  • the ⁇ senabterrorism protrudes in the radial direction R from the nut 37.
  • the radial direction R extends perpendicular to the longitudinal axis L1 and / or the longitudinal axis L2.
  • the eyelet device 9 adjoins the upper side 21 of the gripping portion 17.
  • a cap 38 may be provided to close a lower opening 41 of the gripping portion 17.
  • the cap 38 may comprise a pipe section 39 with an internal thread 40 which is screwed to the screw 27 in the same way as the pipe section 24 (see FIG. 3).
  • the bottom 20 may be provided closed, so that no opening 41 is present.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)

Abstract

L'ensemble selon l'invention comprend une poignée latérale pour une machine-outil portative et un système d'œillet qui présente une partie œillet conçue pour être reliée à une ceinture de sécurité et un moyen de fixation conçu pour être fixé à la poignée latérale.
PCT/EP2019/059674 2018-04-25 2019-04-15 Ensemble pour une machine-outil portative et machine-outil portative WO2019206720A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP18169229.4 2018-04-25
EP18169229.4A EP3560661A1 (fr) 2018-04-25 2018-04-25 Dispositif pour une machine-outil portative et machine-outil portative

Publications (1)

Publication Number Publication Date
WO2019206720A1 true WO2019206720A1 (fr) 2019-10-31

Family

ID=62063400

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/059674 WO2019206720A1 (fr) 2018-04-25 2019-04-15 Ensemble pour une machine-outil portative et machine-outil portative

Country Status (2)

Country Link
EP (1) EP3560661A1 (fr)
WO (1) WO2019206720A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11583992B2 (en) 2021-03-25 2023-02-21 Milwaukee Electric Tool Corporation Side handle for power tool

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2822445A1 (de) * 1978-05-23 1979-12-06 William Niederbichler Haltevorrichtung fuer handbohrmaschinen
EP2065142A1 (fr) * 2007-11-28 2009-06-03 HILTI Aktiengesellschaft Outil avec poignée additionelle avec bande tensionée
US20130062498A1 (en) * 2011-09-14 2013-03-14 Makita Corporation Power tool and suspension device for the power tool
EP2678137A1 (fr) 2011-02-22 2014-01-01 Husqvarna AB Appareil de support d'outil
DE102015206622A1 (de) * 2015-04-14 2016-10-20 Robert Bosch Gmbh Werkzeugvorsatz für eine Handwerkzeugmaschine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2822445A1 (de) * 1978-05-23 1979-12-06 William Niederbichler Haltevorrichtung fuer handbohrmaschinen
EP2065142A1 (fr) * 2007-11-28 2009-06-03 HILTI Aktiengesellschaft Outil avec poignée additionelle avec bande tensionée
EP2678137A1 (fr) 2011-02-22 2014-01-01 Husqvarna AB Appareil de support d'outil
US20130062498A1 (en) * 2011-09-14 2013-03-14 Makita Corporation Power tool and suspension device for the power tool
DE102015206622A1 (de) * 2015-04-14 2016-10-20 Robert Bosch Gmbh Werkzeugvorsatz für eine Handwerkzeugmaschine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11583992B2 (en) 2021-03-25 2023-02-21 Milwaukee Electric Tool Corporation Side handle for power tool
US11919140B2 (en) 2021-03-25 2024-03-05 Milwaukee Electric Tool Corporation Side handle for power tool

Also Published As

Publication number Publication date
EP3560661A1 (fr) 2019-10-30

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