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
• • 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
  • B25F5/006—Vibration damping means

Definitions

• the invention relates to a handle device according to the preamble of claim 1.
• the invention relates to a handle device, in particular an auxiliary handle device, in particular for a hand tool, with a handle and a setting device.
• the adjusting device has at least two components which are provided for a mixture.
• a "handle” is to be understood as an area and / or a component and / or an element which is used for applying, in particular grasping, by a hand or several hands of an operator in order to guide a handheld power tool the handle device is provided.
• the handle is designed as an additional handle, so that it is in addition to another handle, in particular the main handle, additionally attachable to the hand tool, the auxiliary handle device is arranged laterally on the hand tool and / or mounted without tools by an operator on the power tool. can be dismantled and / or in a front, tool-related area the hand tool is arranged and / or the auxiliary handle is bar-shaped.
• a "mixture” is to be understood as meaning, in particular, mixing the two components with one another, the two components also being chemically mixed during mixing and / or after mixing can react with each other.
• a handle property such as a damping and / or a handle shape of the handle and / or further, the expert appears reasonable sense handle properties can be achieved by means of the adjustment and thus a high ease of use for the operator can be achieved.
• the two components are inseparably connected to one another by the mixture, for example by the two components reacting chemically with one another during the mixing, so that a property set by the setting device is retained.
• the handle device according to the invention in particular the auxiliary handle device, can in principle be used in conjunction with all hand tool machines that appear to be useful to the person skilled in the art, in which, in particular, guidance of hand tool machines by means of the auxiliary handle is made easier for an operator.
• the handle device, in particular additional handle device, in conjunction with an angle grinder is particularly advantageous.
• the two components provided for mixing are provided for adapting a contour of the handle to a hand of an operator, whereby an advantageous for an operator contour or handle shape of the handle can be achieved, resulting in increased security or can contribute to increased comfort during a work process.
• the adjustment device has at least one membrane which separates the two components from each other before a first use, whereby an adjusted by the adjustment, adapted to the operator property of the handle during a first use by the operator can be adjusted.
• the membrane is intended to lose at least one release property when first used.
• a membrane is to be understood as meaning, in particular, a separating membrane which prevents a mixture of the two components or a mass transfer between the two components
• a “first use” should be understood as meaning a state of the handle device which is produced by a manufacturing process a first use by an operator and / or an application of a hand, in particular a pressure transmission from the Hand of the operator on the handle device, preferably on a handle portion of the handle device represents.
• the contour and / or handle shape of the handle adapted to the operator can be maintained over a longer period of time.
• a time-consuming readjustment prior to each start-up of the handle device can advantageously be dispensed with if a mixing process and / or a curing process of a mixed state of the two components is formed by an irreversible process.
• a "curing" should be understood in particular a process in which the mixing state of the two components in a solid state of aggregation passes, such as by drying, etc.
• At least one of the two components is formed by a foam component, whereby advantageously the mixing state is formed by a foam and thus an advantageous weight-reduced handle device can be achieved.
• a foam component is to be understood as meaning in particular a component which reacts chemically in a mixed state with at least one further component, and the mixed state is preferably formed by a foam.
• Inclusions such as in particular gaseous bubbles containing.
• the adjusting device has a damping unit, whereby in addition an advantageous vibration damping during operation of the handle device can be achieved.
• the damping unit has at least one damping means, which is formed by a foam.
• the damping means is formed by curing a mixed state of at least one first foam component and a second foam component, the damping means can be implemented particularly inexpensively and in particular simply.
• other components, space, installation costs and costs can be advantageously saved if the damping means at the same time to adapt the contour or the handle shape of the handle device to the hand - A -
• damping properties of at least the damping means can be at least partially adjusted by an operator.
• the auxiliary handle has a grip sleeve, which at least partially forms a receiving region for the adjusting device, whereby a structurally simple recording and a compact, in particular space-saving arrangement of Einstellvorrich- device can be achieved within the auxiliary handle device.
• the damping unit has at least one support element, which is formed by a Tilgermassenelement, whereby in addition to a vibration damping by means of the damping means, an absorption of a vibration energy can be achieved.
• a "absorber mass element” should be understood to mean, in particular, an element which, at least within a prescribed frequency range of an output oscillation and / or an exciter oscillation, is excited to counter-oscillation, which is preferably directed counter to the output oscillation or the excitation oscillation and thus to a resonant oscillation Reduction of vibrations contributes.
• the support element has a thread, which is provided for setting a bias voltage of at least one damping means of the damping unit, an advantageous adaptation of a damping behavior of the damping unit to a vibration behavior of the power tool can be adapted to a working process during operation of the power tool.
• FIG. 1 shows a hand tool with an additional handle device according to the invention in a schematic representation, Fig. 2, the auxiliary handle device with an adjustment before a
• FIG. 1 shows a hand tool machine 14 designed by an angle grinder in a view from above.
• the angle grinding machine comprises a housing 46 and a main handle 44 integrated in the housing 46.
• the main handle 44 extends on a side 50 facing away from a tool 48 formed by a cutting disk in the direction of a longitudinal direction 52 of the angle grinder.
• a handle device 10 arranged on a front, tool-near region 54 of the angle grinder is a handle device 10 formed by an auxiliary handle device 12, which extends transversely to the longitudinal direction 52 of the angle grinder.
• FIGS. 2 and 3 show the auxiliary handle device 12 with a handle 16 formed by an additional handle 56, an adjustment device 18 and a fastening unit 58.
• the auxiliary handle 56 has a grip sleeve 34, which forms a receiving area 36 for the adjusting device 18 with a radially inwardly facing surface 60.
• the adjusting device 18 comprises two components 20 each formed by a foam component 26, 28,
• the two foam components 26, 28 are separated from each other by a membrane 24 prior to initial use by an operator of the auxiliary handle device 12 (FIG. 2).
• the adjusting device 18 has a damping unit 30 with a damping means 32 formed by a foam (FIG. 3). Before being used for the first time by the operator, the damping means 32 is present in its two foam components 26, 28 separately within the receiving region 36, the foam components 26, 28 of the damping unit 30 being formed by the foam components 26, 28 of the adjusting device 18.
• a pressure is exerted on the auxiliary handle device 12 or on a handle region 64 or the grip sleeve 34 of the auxiliary handle 56 by gripping the grip sleeve 34.
• this pressure causes the membrane 24 between the two foam components 26, 28 to lose its separating properties and the two foam components 26, 28 to mix. Due to the required pressure, which leads to a permeability of the membrane 24, the undesirable permeability of the membrane 24 is prevented by a non-pressure contact.
• a mixed state of the two foam components 26, 28 they react chemically with one another and a mixed state 62 formed by a foam forms (FIG. 3).
• This mixed state 62 spreads during a mixing operation, thereby stretching the grip sleeve 34 formed therefrom by an elastic material such as a rubber sleeve.
• an elastic material such as a rubber sleeve.
• a mixing process subsequent to the mixing state 62 of the two foam components 26, 28 or of the foam results in the contour of the auxiliary handle 56 adapted to the hand of the operator being retained even after a termination of a working process.
• the mixing process and hardening process are formed by irreversible processes.
• the damping means 32 is formed.
• the damping means 32 is intended, during operation of the power tool 14 vibrations and / or vibrations that are transmitted from the power tool 14 to the auxiliary handle device 12 to damp, so that the grip sleeve 34 and a handle portion 64 of the grip sleeve 34 possible vibration decoupled for Salesforceêtmaschi - ne 14 is.
• the damping unit 30 has a further damping element, which is formed by a support element 38.
• the support member 38 is formed integrally with the attachment unit 58 and extends from the attachment unit 58 through the entire receiving portion 36 along a main extension direction 66 of the auxiliary handle 56.
• the support member 38 At one of the attachment unit 58 applied end portion 68 of the auxiliary handle 56, the support member 38 by means of a thread 42nd screwed to a mating thread 70 of the end portion 68.
• the support element 38 is formed by an absorber mass element 40, which is provided for a further absorption of vibration energies during operation of the auxiliary handle device 12.
• the fastening unit 56 has a bolt-shaped fastening element 72, which is provided for fastening the auxiliary handle device 12 to the handheld power tool 14, and a base element 74.
• the basic element 74 has a disk-shaped design and delimits the receiving region 36 in the direction 76 of the fastening unit 56.
• the basic element 74 is formed in one piece with the support element 38.
• the base member 74 is also surrounded by the grip sleeve 34. In the region of the base member 38, the grip sleeve 34 is less elastic than in the case
• Receiving area 36 An end area 78 facing the attachment unit 58 and the end area 68 facing away from the attachment unit 58 delimit the grip area 64 of the auxiliary handle 56 for an operator.
• the two end regions 68, 78 have a diameter which is greater than a diameter of the auxiliary handle 56 in the grip region 64.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Harvester Elements (AREA)
• Mechanical Control Devices (AREA)
• Lock And Its Accessories (AREA)
• Power Steering Mechanism (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=39798218

Family Applications (1)

Country Status (4)

Families Citing this family (4)

Family Cites Families (7)

• 2007
  • 2007-09-26 DE DE102007046090A patent/DE102007046090A1/de not_active Withdrawn
• 2008
  • 2008-08-15 EP EP08803061A patent/EP2205408B1/fr not_active Not-in-force
  • 2008-08-15 AT AT08803061T patent/ATE504402T1/de active
  • 2008-08-15 DE DE502008003144T patent/DE502008003144D1/de active Active
  • 2008-08-15 WO PCT/EP2008/060770 patent/WO2009043636A1/fr not_active Ceased

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events