EP3017916A1 - Aufhängevorrichtung für werkzeug zur oberflächenbearbeitung - Google Patents

Aufhängevorrichtung für werkzeug zur oberflächenbearbeitung Download PDF

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Publication number
EP3017916A1
EP3017916A1 EP15192868.6A EP15192868A EP3017916A1 EP 3017916 A1 EP3017916 A1 EP 3017916A1 EP 15192868 A EP15192868 A EP 15192868A EP 3017916 A1 EP3017916 A1 EP 3017916A1
Authority
EP
European Patent Office
Prior art keywords
tool
suspension member
surfacing tool
surfacing
uprights
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.)
Withdrawn
Application number
EP15192868.6A
Other languages
English (en)
French (fr)
Inventor
Marc Bottazzi
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.)
MBH Developpement SARL
Original Assignee
MBH Developpement SARL
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 MBH Developpement SARL filed Critical MBH Developpement SARL
Publication of EP3017916A1 publication Critical patent/EP3017916A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/0021—Stands, supports or guiding devices for positioning portable tools or for securing them to the work
    • B25H1/0028—Tool balancers

Definitions

  • the present invention relates to a device intended to assist an operator in wearing a surfacing tool such as a sander, a rotary brush, a polisher, a grinder, a grinder, etc.
  • a surfacing tool such as a sander, a rotary brush, a polisher, a grinder, a grinder, etc.
  • Such a tool is usually quite heavy, and its weight is further increased by the presence of an electric cable, and possibly a connecting pipe to a suction system.
  • the object of the present invention is therefore to overcome the disadvantages of the prior art by providing a device to relieve the weight of the tool carried by the operator to increase productivity by reducing the working time and by improving the quality of work.
  • a device for relieving the weight of a surfacing tool carried by an operator characterized in that it comprises a frame on which is mounted a suspension member comprising a flexible link wrapped around an axis and whose free end is intended to be fixed to the surfacing tool, this flexible link being provided for winding or unwinding so as to follow the movements imposed on the tool surfacing by the operator, without hindering them, while supporting the weight of the surfacing tool.
  • the operator is therefore relieved of the weight of the surfacing tool, and his work is greatly facilitated.
  • the frame comprises two amounts connected in their upper part by a horizontal cross member.
  • This framework thus delimits a large free space within which the operator can evolve unhindered, and it also allows to work on a large wall surface.
  • the uprights each comprise two concentric tubes provided to slide in one another and whose overall height can be adjusted by means of a locking member.
  • the device can thus easily be adapted to the working height required for the surfacing tool.
  • each amount comprises a vertical wheel at its lower end, these wheels being located in the same plane as that of the frame. These wheels allow to easily move the device laterally, especially so that the operator can continue his work on an area of the wall adjacent to the one he just finished.
  • each amount comprises a handle mounted in a height-adjustable manner, which facilitates the introduction, movement and transport of the device.
  • each upright also comprises a bracket at its lower end, this bracket extending at an angle less than or equal to 90 ° with respect to the uprights. These brackets allow the device to stand up and guarantee great stability.
  • each upright is connected to the horizontal cross member via a connecting element provided to bear against a wall when the device is used against it.
  • a connecting element provided to bear against a wall when the device is used against it.
  • the suspension member is mounted on the horizontal crosspiece in a fixed manner in a central position with respect to the cross member, or in a sliding manner so as to be able to be moved laterally towards the cross member. an amount or another.
  • the fixed variant of the suspension member is less expensive, but less advantageous than the sliding variant, which allows said suspension member to follow the lateral movements of the surfacing tool.
  • the crossmember comprises two parallel rails extending between the connecting elements, and the suspension member is mounted on a carriage provided with casters in rolling support on the rails.
  • the suspension member can thus slide easily along the sleeper.
  • the flexible link has at its free end a fastening mechanism provided for connecting simply, safely and quickly to the surfacing tool.
  • the suspension member is a spring balancer, whose design and reliability are particularly suitable for relieving the weight of the tool carried by the operator.
  • the present invention also has many other advantages. Indeed, the design and manufacture of the device are simplified, with a reduced cost since they implement a pair of identical amounts.
  • the device is also removable, easy to set up, move and use.
  • the device according to the invention is as well suited to the work of professionals on construction sites, as the work of individuals in their homes.
  • the device according to the invention is intended to be used against a wall, but it is also stable enough to stand alone on its brackets.
  • the device (1) according to the invention is designed to relieve the weight of a surfacing tool (2) carried by an operator.
  • the device comprises a frame (3) on which is mounted a suspension member (4) comprising a flexible link (5) wound around an axis and whose free end is intended to be fixed to the surfacing tool ( 2).
  • This flexible link (5) is intended to wind or unwind so as to follow the movements imposed on the surfacing tool (2) by the operator, without hindering them, while supporting the weight of the tool of surfacing (2).
  • the frame (3) comprises two uprights (6) connected in their upper part by a crossbar (7) horizontal.
  • the uprights (6) preferably comprise two concentric tubes (8, 9) designed to slide in one another and whose overall height can be adjusted by means of a locking member (10).
  • each upright (6) preferably comprises a vertical wheel (11), especially adapted for roll on the ground.
  • These rollers (11) are located in the same plane as that of the frame (3), which allows the device (1) to be moved easily and laterally.
  • the uprights (6) also comprise handles (12), these handles (12) are preferably mounted adjustably in height on the uprights (6).
  • Each upright (6) also comprises, at its lower end, a square (13), preferably foldable, and arranged substantially at an angle less than or equal to 90 ° to the uprights (6), and preferably less than 90 ° to allow the upper part of the device to be supported against a wall.
  • the brackets (13) extend in directions parallel to those of the roller axes (11).
  • brackets (13) In use, when the device (1) according to the invention bears against a wall (14), the brackets (13) rest against the ground (15) so as to hold the frame (3) upright while the free ends of the brackets (13) are provided to come into contact with the wall (14).
  • the free ends of the brackets (13) preferably comprise a pad (16) on their underside, so that the brackets do not rest directly on the ground (15).
  • These pads (16) can thus have an anti-wear and anti-slip nature.
  • the rollers (11) preferably have a height greater than that of the pads (16), so that when the device (1) is in a standing position resting on the brackets (13), it leans slightly towards the front in the direction of the free end of the brackets (13), and therefore towards the wall (14) when used in support against it.
  • Each upright (6) is connected to the crossmember (7) horizontally via a connecting element (17) provided to abut against the wall (14) when the device (1) is used against it .
  • each connecting element (17) preferably comprises a pad (18) on its front face, namely the face intended to bear against the wall, so that the connecting elements (17) do not press directly against the wall (14).
  • These pads (18) may have a non-slip nature and have a contact surface provided to not damage the wall (14) when the device (1) bears against it.
  • the uprights (6) can be pivotally connected to the crossmember (7) or the connecting element (17) to be folded over said crossmember (7) when the device (1) is not used.
  • the device (1) is thus compact and can be easily transported and stored.
  • the suspension member (4) is mounted on the crossbar (7) horizontally, for example fixedly, in a central position or offset from the crossbar (7), or slidably thereon so as to be able to be moved laterally towards an upright (6) or another.
  • the suspension member (4) is slidable.
  • the crossbar (7) comprises two parallel rails (19) extending between the connecting elements (17).
  • the suspension member (4) is then mounted on a carriage (20) provided with rollers (21) resting on the rails (19).
  • the suspension member (4) comprises a flexible link (5) which is wound inside thereof.
  • This flexible link (5) may be a cable, a chain, a rope or any other similar means.
  • the flexible link (5) comprises a fastening mechanism (22) provided for connecting it simply, safely and quickly to the surfacing tool (2). It can for example be a shackle or a carabiner.
  • the suspension member (4) is provided to carry it dynamically, in order to relieve the weight of the surfacing tool (2) for the operator .
  • Such a suspension member (4) is provided to support said tool (2) so that when the operator releases the surfacing tool (2), it remains at the same height, without going down or up, and does not only goes up or down when the operator prints such a movement to the surfacing tool (2).
  • the suspension member (4), and in particular the flexible link is lengthened or shortened to follow the movements of the operator without disturbing them, while continuing to relieve the weight of the surfacing tool (2).
  • the suspension member (4) when the operator moves the surfacing tool (2) upwards, the suspension member (4) is provided for winding the flexible link (5), whereas when the operator moves the surfacing tool (2) down, the suspension member (4) is provided to unwind the flexible link (5).
  • the suspension member (4) can move in the same way in the case where it is slidably mounted on the crossbar (7).
  • the fact that the suspension member (4) is slidably mounted on the crossbar (7) has the advantage of supporting the surfacing tool (2) always in a vertical manner. In other words, the suspension member (4) is always at the right of the surfacing tool (2) so that if the operator drops the tool (2), it does not swing .
  • the suspension member (4) In the case where the suspension member (4) is not sliding, it winds or unwinds the flexible link (5) as necessary to follow the movements of the surfacing tool (2). However, the operator remains vigilant and let go of the surfacing tool (2) always to the right of the suspension member (4), otherwise it just swinging may cause injury or damage to the wall to surfacing.
  • the suspension member (4) is a balancer, for example a spring balancer (23).
  • the surfacing tool (2) is represented in the form of a concentric sander (24) supplied with electricity by an electric cable (25) comprising a housing (26) equipped with a pair of handles (27) on its side faces and a rotating disk (28) on its front face.
  • an electric cable (25) comprising a housing (26) equipped with a pair of handles (27) on its side faces and a rotating disk (28) on its front face.
  • the skilled person will equip the surfacing tool (2) with a such part or provide another means of fixing the surfacing tool (2) to the flexible link (5) without departing from the scope of the invention.
  • the uprights (6) are removably attached to the connecting elements (17), which allows to dismantle the device (1) of the invention in three parts. Since the brackets are preferably foldable along the uprights (6) and the latter are in the form of concentric tubes (8, 9) can be retracted into one another, the three parts obtained thus have a small footprint.
  • each of the three parts has a weight to be easily transported.
  • the handle (12) of each of the uprights (6) can be advantageously used to transport them.
  • the suspension member (4) may also include a handle for easily transporting the portion of the cross member horizontal (7), connecting elements (17) and the suspension member (4).
  • the device (1) of the invention is placed against the wall (14), with the connecting elements (17) and the free ends of the brackets (13) positioned. resting against the wall (14).
  • the surfacing tool (2) is then suspended inside the space formed by the frame (3) and can be freely manipulated by the operator to work the surface of the wall (14) delimited by said frame.
  • the operator slightly pivots the device (1) towards him so as to distance the connecting elements (17) from the wall (14) and to lift the brackets (13) from the ground ( 15). He can then easily move it laterally by rolling it on the rollers (11).
  • the length of the concentric tubes (8, 9) is provided so as to form uprights (6) to reach the highest parts of a wall (14). Therefore, according to a preferred embodiment of the invention, the concentric tubes (8, 9) each have a length of between 1m and 1m50.
  • the device (1) of the invention can be used without bearing against a wall because the brackets (13) provide sufficient stability by their support on the ground (15).
  • the device (1) of the invention can be used with a different tool, and not necessarily with a surfacing tool, such as a drill, a hammer drill, a spray nozzle, etc.
  • the device (1) of the invention can be used with a scaffold (29), which allows for example to treat high walls, such as facades.
  • the device (1) is then preferably coated on the trays (30) of one of the stages of the scaffold (29), with the connecting elements (17) being turned at 90 degrees so that the suspension device (4) and the horizontal cross member (7) are oriented as in standing use and that the suspension device (4) can slide horizontally on the horizontal crossbar (7).
  • the connecting elements (17) may have additional fixing means (31), for example in the form of insertion orifices, for the uprights (6), these additional fastening means (31) being located in the same vertical plane as the initial fastening means, but located at 90 degrees to them.
  • the handles (12) are mounted on the uprights (6) inclined towards the horizontal crossbar (7) so as to bear against the front edge of the tray (30) on which the device (1) is coated. This inclination of the handles (12) avoids any accidental movement of the device (1) of the invention when it is subject to a scaffold (29).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Movable Scaffolding (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Forklifts And Lifting Vehicles (AREA)
EP15192868.6A 2014-11-05 2015-11-04 Aufhängevorrichtung für werkzeug zur oberflächenbearbeitung Withdrawn EP3017916A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1460684A FR3027830B1 (fr) 2014-11-05 2014-11-05 Dispositif de suspension pour outil de surfacage

Publications (1)

Publication Number Publication Date
EP3017916A1 true EP3017916A1 (de) 2016-05-11

Family

ID=52345365

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15192868.6A Withdrawn EP3017916A1 (de) 2014-11-05 2015-11-04 Aufhängevorrichtung für werkzeug zur oberflächenbearbeitung

Country Status (2)

Country Link
EP (1) EP3017916A1 (de)
FR (1) FR3027830B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106926209A (zh) * 2017-05-02 2017-07-07 郑州科技学院 一种分开式控制索具垂直存放装置
FR3063755A1 (fr) * 2017-03-07 2018-09-14 Mbh Dev Dispositif support pour outil de surfacage destine a etre utilise a partir d'une plate-forme presentant deux garde-corps paralleles
CN111702724A (zh) * 2020-06-11 2020-09-25 国网江西省电力有限公司吉安供电分公司 一种电力机械设备维修用加工台

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110654568B (zh) * 2019-09-29 2022-09-06 中国直升机设计研究所 一种桨毂力偶加载装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4017532A1 (de) * 1990-05-31 1991-12-05 Robert Stadler Fahrbare vorrichtung zur aufnahme von handwerkzeugen
EP0681890A1 (de) * 1994-03-11 1995-11-15 Siegfried Drautz Arbeits- und Montagebock
US5890523A (en) * 1997-05-15 1999-04-06 Hubbell Incorporated Curved rail with tool support trolley for workstation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4017532A1 (de) * 1990-05-31 1991-12-05 Robert Stadler Fahrbare vorrichtung zur aufnahme von handwerkzeugen
EP0681890A1 (de) * 1994-03-11 1995-11-15 Siegfried Drautz Arbeits- und Montagebock
US5890523A (en) * 1997-05-15 1999-04-06 Hubbell Incorporated Curved rail with tool support trolley for workstation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3063755A1 (fr) * 2017-03-07 2018-09-14 Mbh Dev Dispositif support pour outil de surfacage destine a etre utilise a partir d'une plate-forme presentant deux garde-corps paralleles
CN106926209A (zh) * 2017-05-02 2017-07-07 郑州科技学院 一种分开式控制索具垂直存放装置
CN111702724A (zh) * 2020-06-11 2020-09-25 国网江西省电力有限公司吉安供电分公司 一种电力机械设备维修用加工台

Also Published As

Publication number Publication date
FR3027830B1 (fr) 2019-05-10
FR3027830A1 (fr) 2016-05-06

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