Disclosed is an abrasion system (9) comprising rotational drive means (7), and a holding device (1) holding abrasive strips (2). The holding device (1) comprises a disc (3) including a number of undercut radial grooves (4) formed in a front surface (5) of the disc (3), wherein the undercut radial grooves (4) are extending from a periphery (8) of the disc (3) towards a centre (10) of the disc (3). The disc (3) further comprises a connection shaft (11) extending from a back surface (6) of the disc (3), wherein the front surface (5) is opposite the back surface (6), and wherein the abrasive strips (2) are arranged in one or more of the number of undercut radial grooves (4). The disc (3) also comprises a locking part (12) being releasably connected to the disc (3), wherein the locking part (12) comprises a base part (13) extending across the back surface (6), and a collar part (14) extending from the base part (13) towards the front surface (5) so that the collar part (14) blocks at least a part of each of the number of undercut radial grooves (4) at the periphery (8) of the disc (3), wherein the base part (13) further comprises a hole (15) through which the connection shaft (11) is extending so that a contact surface (16) for the rotational drive means (7) is formed by the base part (13) around the connection shaft (11). The rotational drive means (7) is connected to the connection shaft (11) by means of a chuck (17) of the rotational drive means (7) and the free end of the chuck (17) is arranged in contact with the contact surface (16) or in close proximity of the contact surface (16). A holding device (1), use of a holding device (1) and a method for securing abrasive strips (2) in an abrasion system (9) is also disclosed.
B24D 13/16 - Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face comprising pleated flaps or strips
B24D 7/06 - Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor with inserted abrasive blocks, e.g. segmental
Disclosed is a holding device (1) for abrasive strips (2). The holding device (1) comprises a drum (3) being substantially cylindrical and including a number of undercut axial grooves (4) extending from a first axial drum end (5) of the drum (3) toward a second axial drum end (6) of the drum (3), wherein one or more stops (7) are arranged to block at least a part of each of the number of undercut axial grooves (4) at the second axial drum end (6), wherein the drum (3) comprises a blind hole (8) in the centre of the first axial drum end (5), and wherein a non-circular engagement indentation (9) is formed in the centre of the bottom (10) of the blind hole (8). The holding device (1) also comprises a shaft (11) arranged coaxially with the drum (3), wherein the shaft (11) comprises a main shaft part (12) including a first axial shaft end (13) extending from the drum (3) and arranged for being connected to rotation drive means. The shaft (11) further comprises an external non-circular engagement structure (14) arranged at a second axial shaft end (15) of the main shaft part (12), wherein the external non-circular engagement structure (14) is arranged in the non-15 circular engagement indentation (9) to rotatably lock the shaft (11) to the drum (3), and wherein the greatest radial extent (GES) of the external non-circular engagement structure (14) is greater than the greatest radial extent (GEM) of the main shaft part (12). Furthermore, the holding device (1) comprises an end plug (16) being releasably connected to the drum (3), wherein the end plug (16) comprises a centre protrusion (17) extending into the blind hole (8) to restrict axial displacement of the external non-circular engagement structure (14) to substantially fixate an axial position of the shaft (11) in relation to the cylindrical drum (3) and wherein the end plug (16) further comprises groove blocking means (18) arranged to block at least a part of each of the number of undercut axial grooves (4) at the first axial drum end (5). Use of a holding device (1) is also disclosed.
B24D 13/06 - Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery the flaps or strips being individually attached
B24D 13/10 - Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising assemblies of brushes
03 - Cosmetics and toiletries; cleaning, bleaching, polishing and abrasive preparations
07 - Machines and machine tools
08 - Hand tools and implements
Goods & Services
Abrasives, namely, abrasive strips, flexible abrasives, abrasive cleaning preparations; abrasive paper; polishing preparations; polishing paper; furbishing preparations; flexible abrasives; abrasive sand; abrasive preparations for polishing Trueing machines; grindstones being parts of machines; abrasive disks for power-operated sanders; sanding disks for use with power operated sanding machines and for use with pneumatic sanding machines; polishing discs being parts of machines; polishing tools, electric, for polishing machines; machines for burnishing, namely power-operated floor burnishers Sharpening stones; stropping instruments, namely hand-operated tools for stropping, not being machine parts; handtools, namely, manually-operated grindstones; manually operated sharpeners; handtools, namely, manually-operated polishing tools not being machine parts; handtools, namely, manually-operated polishing discs, not being machine parts
03 - Cosmetics and toiletries; cleaning, bleaching, polishing and abrasive preparations
07 - Machines and machine tools
08 - Hand tools and implements
Goods & Services
Abrasives, namely, abrasive strips, flexible abrasives, abrasive cleaning preparations; abrasive paper; polishing preparations; polishing paper; flexible abrasives; abrasive sand; abrasive preparations for polishing Trueing machines; grindstones being parts of machines; abrasive disks for power-operated sanders; sanding disks for use with power operated sanding machines and for use with pneumatic sanding machines; polishing discs being parts of machines; polishing tools, electric, for polishing machines; machines for burnishing, namely power-operated floor burnishers Sharpening stones; stropping instruments, namely hand-operated tools for stropping, not being machine parts; handtools, namely, manually-operated grindstones; manually operated sharpeners; handtools, namely, manually-operated polishing tools not being machine parts; handtools, namely, manually-operated polishing discs, not being machine parts
Provided is a grinding element for use in rotary grinding or polishing tools used for grinding or polishing surfaces, and of the type comprising an elongate profile rail, including an abrasive cloth and support brushes. The abrasive cloth and the support brushes are mounted in or on the profile rail, such that the abrasive cloth is supported by the support brushes on its inactive side. The abrasive cloth outside the profile rail has a height in the vertical direction and a length in the longitudinal direction. The support brushes and the abrasive cloth have different heights, a support brush height and an abrasive cloth height, respectively, from the profile rail, such that the abrasive cloth is terminated by an outer exposed edge area extending beyond the top of the support brushes and a short distance down along the outer exposed end portions of the support brushes.
B24D 13/04 - Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising a plurality of flaps or strips arranged around the axis
B24D 13/06 - Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery the flaps or strips being individually attached
B24D 13/10 - Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising assemblies of brushes
B24D 11/00 - Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
10.
GRINDING ELEMENT FOR USE IN ROTARY GRINDING OR POLISHING TOOLS
Described is a grinding element (1) for use in rotary grinding or polishing tools used for grinding or polishing surfaces, and of the type comprising an elongate profile rail (2), including an abrasive cloth (4) and support brushes (5). The abrasive cloth (4) and the support brushes (5) are mounted in or on the profile rail (2), such that the abrasive cloth (4) is supported by the support brushes (15) on its inactive side (15). The abrasive cloth outside the profile rail (2) has a height (9) in the vertical direction (7) and a length (12) in the longitudinal direction (3). The support brushes (5) and the abrasive cloth (4) have different heights, a support brush height (11) and an abrasive cloth height (9), respectively, from the profile rail (2), such that the abrasive cloth (4) is terminated by an outer exposed edge area (19) extending beyond the top of the support brushes (5) and a short distance down along the outer exposed end portions (10) of the support brushes (5). The outer exposed edge area (19), when used, constitutes an active area (17) of the active side (16) of the abrasive cloth (4). The abrasive cloth (4) is coated only with abrasive material (18) in the active area (17). The abrasive material consists of particles (22) of, for example, diamonds (21) or similar materials. The abrasive cloth (4) is cut from an outer exposed canvas edge (8) toward the profile rail in a direction parallel to the vertical direction (7) in order to form slats (6). The particles are placed in adjacent rows (26), such that the particles (22) of the abrasive material in a row7 (26) are arranged with the particles offset relative to the particles (22) in the adjacent rows (26). The particles in the rows (26) are arranged spaced apart (29), such that an overlap of the abrasive particles occurs in the longitudinal direction (3) of the abrasive canvas.
B24D 13/04 - Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising a plurality of flaps or strips arranged around the axis
B24D 13/10 - Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising assemblies of brushes
B24D 13/06 - Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery the flaps or strips being individually attached
B24D 11/02 - Backings, e.g. foils, webs, mesh fabrics
A bayonet coupling for mounting of a tool on a drive shaft of a machining unit. The drive shaft is connected to the tool via a bayonet coupling, which includes two coupling parts. The one coupling part is provided with a receiving groove for an engaging tab placed on the other coupling part. The receiving groove has a first section with an extension parallel to the axis of rotation and the second section of the receiving groove has an extension transverse, perpendicular, to the axis of rotation, so that the tool is driven via the engagement of the bayonet coupling.
F16D 1/112 - Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling the interengaging parts comprising torque-transmitting surfaces, e.g. bayonet joints
B24B 45/00 - Means for securing grinding wheels on rotary arbors
Rotary machining unit (1) with abrasive strips (3) for grinding or polishing tools. The machining unit comprises a two-part tool holder with a first and a second plate portion that are releasably interconnected. Furthermore, the machining unit comprises a locking mechanism (21) connecting the first and the second plate portion (5,7), wherein the locking mechanism is rotatably mounted on the first plate portion (5). The locking mechanism comprises a central part (23) formed by a circular plate (25) and an annular wall (27) connected therewith, and at least two locking pins (55) connected to the annular wall. The first plate portion (5) and the second plate portion (7) have openings (47,49) which, during assembly, are aligned and arranged to receive a distal end portion (57) of the locking pins (55). The distal end portion (57) of the locking pins is displaced radially between a first locked position, wherein the distal end portion engages the aligned openings (47,49) and a second unlocked position outside the aligned openings, so that the first and second plate portion (5,7) are interlocked or non-interlocked, respectively.
Bayonet coupling for mounting of a tool (1) on a drive shaft (2) of a machining unit. The drive shaft (2) is connected to the tool (1) via a bayonet coupling, which comprises two coupling parts. The one coupling part is provided with a receiving groove (5) for an engaging tab (7) placed on the other coupling part. The receiving groove (5) has a first section (10) with an extension parallel to the axis of rotation and the second section (8, 9) of the receiving groove has an extension transverse, preferably perpendicular, to the axis of rotation, so that the tool (1) is driven via the engagement of the bayonet coupling. The bayonet coupling is distinguished in that the second section (8, 9) of the receiving groove has an extension on either side of the first section, so as to form a T-shaped receiving groove, and the bayonet coupling is devised with at least one locking tab (12) with barbs (13) for engaging with a corresponding toothing (11) so that a locking engagement is established upon rotation of the tool by engaging of the locking tabs (12) with the toothing (11). This produces a bayonet coupling which enters into locking engagement regardless of the direction of rotation of the tool, thereby achieving greater safety, since the risk of the tool (1) dropping off during use is minimized.
Bayonet coupling for mounting of a tool (1) on a drive shaft (2) of a machining unit. The drive shaft (2) is connected to the tool (1) via a bayonet coupling, which comprises two coupling parts. The one coupling part is provided with a receiving groove (5) for an engaging tab (7) placed on the other coupling part. The receiving groove (5) has a first section (10) with an extension parallel to the axis of rotation and the second section (8, 9) of the receiving groove has an extension transverse, preferably perpendicular, to the axis of rotation, so that the tool (1) is driven via the engagement of the bayonet coupling. The bayonet coupling is distinguished in that the second section (8, 9) of the receiving groove has an extension on either side of the first section, so as to form a T-shaped receiving groove, and the bayonet coupling is devised with at least one locking tab (12) with barbs (13) for engaging with a corresponding toothing (11) so that a locking engagement is established upon rotation of the tool by engaging of the locking tabs (12) with the toothing (11). This produces a bayonet coupling which enters into locking engagement regardless of the direction of rotation of the tool, thereby achieving greater safety, since the risk of the tool (1) dropping off during use is minimized.
A tool (1) with tool elements (4), preferably rotating grinding and/or sanding tool. The tool (1) consists of a tool portion (2) and a mounting portion (3), which secures the tool elements (4) in the tool (1). The tool (1) is distinguished in that the tool portion comprises first mounting means, and the mounting portion comprises second corresponding mounting means for engaging with the first mounting means. The first and second mounting means comprise one or more resilient tabs (10), each of which is provided with at least one barb, and furthermore the mounting means comprise one or more recesses (18). When the tool portion (2) and the mounting portion (3) are assembled, the barbs (15) on the resilient tabs (10) will lock in the recesses (18) of the mounting portion which are designed for this, locking the tool portion (2) and the mounting portion (3) to each other. This produces a design which is easy to assemble. Furthermore, it achieves a tool (1) having a cheap design, suitable for onetime use.
There is disclosed a tool (8) with a rotating processing unit (6, 7, 8) with tool elements (14), preferably an abrading or polishing tool, and with a motor (2) including a drive shaft (3) for driving the processing unit. The drive shaft (3) is drivingly connected with a drive plate (5) disposed at right angles to the drive shaft (3) and provided with first connecting means (28) releasably interacting with corresponding second connecting means (29) which are connected with a base plate (10) for the processing unit. The processing unit (6, 7, 8) will thus be driven by the engagement of the first and second connecting means (28, 29). The tool elements (14) are fixed in the base plate (10). By this design it is possible for a user to replace the processing unit rapidly and in a simple way without needing to replace the individual tool elements (14).
Grinding head (1') adapted to rotate about a central axis, having a surface (2') selected between a plane surface and a cylindrical surface, and which is provided with retainer grooves for edge profile parts (14) of a number of abrasive paper members (3) with associated support brushes (4), wherein the abrasive paper members (3) are mounted at an angle of 20-40°, preferably about 30°, directed obliquely forward in the direction of rotation of the plane surface (2') and the tangential plane of the cylindrical surface, respectively, wherein the retainer grooves (12) for the edge profile parts (14) of the abrasive paper members (3) extends obliquely rearwards in the direction of rotation of the plane surface (2') at an angle (8) of 3-10° relative to a radial extension, or wherein the retainer grooves (12) of the edge profile parts (14) of the abrasive paper members (3) extend obliquely rearwards in the direction of rotation of the cylindrical surface (13) at an angle of 3-10° relative to an axially parallel generatrix of the cylindrical surface (13). In a simple way is hereby readily achieved a more optimal abrading of particularly outer side edges and edge areas of plate-shaped items.
B24D 13/04 - Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising a plurality of flaps or strips arranged around the axis
B24D 13/06 - Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery the flaps or strips being individually attached
B24D 13/14 - Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face
A plant for surface treatment of a windmill blade (8) with its longitudinal axis (9) disposed largely horizontally. The plant includes a processing unit (2) for performing the desired surface treatment and a transport unit (1) for displacing the processing unit along and transversely to the longitudinal axis of the surface (10) in order to perform treatment of the surface. The transport unit includes a vehicle (1) with a support unit (3) supporting the processing unit (2). The processing unit includes at least one processing tool (11 ) for performing the surface treatment. The support unit (3) and/or the processing unit (2) are/is arranged for performing a movement transversely to the longitudinal axis of the surface in a way so that the processing tool (11) can be displaced across the entire surface (10) as the vehicle (1) travels along the surface, while at the same time the support unit and/or the treatment tool are/is displaced transversely to the surface by means of displacing means.
B24B 19/14 - Single purpose machines or devices for particular grinding operations not covered by any other main group for grinding turbine blades, propeller blades or the like
19.
ABRASIVE ELEMENT FOR A ROTARY ABRADING OR POLISHING TOOL
The invention concerns an abrasive element (1) for use in rotating abrading or polishing tools for abrading or polishing surfaces. Preferably, it includes an elongated profiled rail (2) and an abrading fabric (4) and support brushes (5). The abrading fabric and the support brushes are mounted in the profiled rail such that the abrading fabric is supported by the support brushes at its passive side (15). The support brushes and the abrading fabric have different heights, support brush height (11) and abrading fabric height (9), respectively, extending from the profiled rail (2) such that the abrading fabric is terminated by an outer free edge area (19) extending beyond the top of the support brushes (5) and a short distance down along the outer free end parts (10) of the support brushes. In use, the outer free edge area constitutes an active area (17) of the active side of the abrading fabric. As the abrading fabric (4) is only coated with an abrading material (18) in the active area, a saving in material is achieved.
B24D 13/04 - Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising a plurality of flaps or strips arranged around the axis
B24D 13/10 - Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising assemblies of brushes
20.
Machining tool with secured replaceable tool elements
The invention concerns a rotating sanding/grinding/polishing tool (1) provided with a number of undercut mounting grooves (5) for mounting one or more displaceable grinding elements (4), at which is provided an annular groove (8) in a plane largely perpendicularly to the rotary axis of the tool, and a ring-shaped securing means (9) provided in the groove and a resilient means (11) along the periphery of the rotating tool (1), at which the securing means (9) has one side bearing against the resilient means (11) and another side bearing against part of the grinding elements (4).
A grinding apparatus for machining a workpiece (6), including an apparatus frame (2) supporting a grinding station (3) with a number of grinding heads (4) with associated grinding elements (5) arranged such that the grinding elements (5) are in contact with one surface (7) of the workpiece at the passage of the workpiece through the grinding apparatus (1), and an endless conveying means (8) for the grinding heads (4), and a roller table (9) for supporting the workpiece (6), where the grinding apparatus (1) includes a further grinding station (10) with grinding heads (4) arranged such that the grinding elements (5) are in contact with the opposite surface (11) of the workpiece at the passage of the workpiece across the roller table (9), where the roller table includes a first (12) and a second set of rollers (13), and where there is an interspace (14) between two set of rollers (12, 13), allowing passage of the workpiece between the two set of rollers (12,13), wherein spacing (15) between individual rollers (16 ) in each of the two sets of rollers (12, 13) is arranged such that a plurality of the rollers (16) from each of the two sets of rollers (12, 13) are simultaneously in contact with the opposing surfaces (7, 11), where a first grinding station (3) is provided between two succeeding rollers in the first set (12) and a second grinding station (10) is provided between two succeeding rollers in the second set (13).
B24B 7/06 - Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor involving conveyor belts, a sequence of travelling work-tables or the like
B24B 7/12 - Single-purpose machines or devices for grinding travelling elongated stock, e.g. strip-shaped work
B24B 7/26 - Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding or polishing glass for simultaneously grinding or polishing opposite faces of continuously travelling sheets or bands of glass
B24B 7/28 - Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding wood
22.
MACHINING TOOL WITH SECURED REPLACEABLE TOOL ELEMENTS
The invention concerns a rotating sanding/grinding/polishing tool (1) provided with a number of undercut mounting grooves (5) for mounting one or more displaceable grinding elements (4), at which is provided an annular groove (8) in a plane largely perpendicularly to the rotary axis of the tool, and a ring-shaped securing means (9) provided in the groove and a resilient means (11) along the periphery of the rotating tool (1), at which the securing means (9) has one side bearing against the resilient means (11) and another side bearing against part of the grinding elements (4).
B24D 13/06 - Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery the flaps or strips being individually attached
B24D 9/04 - Rigid drums for carrying flexible material
A hub and shaft connection (1) wherein a key (6) mounted in a shaft (2) and a groove (5) formed in the hub (4) transmit a torque, where a release means (7) is mounted in a boring (12) in the hub, the boring extending from the outer side of the hub to the groove (5) at which the release means (7) has a gripper part (13) provided outside the hub (4) and an engagement member (14) having a first extreme position at a position within the groove (5), and which may be displaced to a second extreme position outside the groove (5), the release means being designed with means for retaining the engagement member (14) in the first extreme position, where the key (6) is provided a recess (8), and where the engagement member (14) may engage when the release means (7) is in its first extreme position, wherein the release means (7) is selected among positioning bolts and screw threaded units together with a hub (4) which is provided with a screw thread.
F16D 1/108 - Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling
B24B 45/00 - Means for securing grinding wheels on rotary arbors
24.
GRINDING APPARATUS AND CLEANING UNIT FOR GRINDING APPARATUS
A grinding apparatus (1) of the type including a conveyor (2) for conveying a workpiece (3) to be machined, and an number of grinding heads (4) provided with associated grinding elements (5), and which are mounted in an endless conveyor means (6) such that the grinding elements (4) pass across the workpiece (3), where the grinding apparatus (1) includes a cleaning unit (7) provided at the side of the conveyor (2) for conveying the workpiece (4) such that the grinding elements (5) are moved through the cleaning unit (7), where the cleaning unit (7) is chosen among means (9) in the form of brushes for mechanical cleaning of the grinding elements (5) and means (10) for pneumatic cleaning of the grinding elements (5).
B24B 7/06 - Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor involving conveyor belts, a sequence of travelling work-tables or the like
B24B 7/12 - Single-purpose machines or devices for grinding travelling elongated stock, e.g. strip-shaped work
25.
GRINDING APPARATUS AND APPARATUS FOR GRINDING A SURFACE ON PLATE-SHAPED ITEMS
Grinding tool (2) for grinding a surface of plate-shaped items and with a circular grinding surface (17) for rotation in a plane perpendicular to the rotary axis of the grinding tool, including a support means (16) adapted to support a grinding member (8), preferably a abrasive paper, and which has a circular central area corresponding to the grinding surface (17) and a ring-shaped rim area (18) with a frusto-conical surface, the frusto-conical rim area (18) forming an angle between 3 and 25°.
The present invention concerns a support means (1), preferably for a sanding apparatus (3), where the support means includes a handle (2) which is connected with the sanding apparatus (3) at one end and which is provided with a carrying handle at the opposite end, where the handle (2) is designed as a double pipe and includes a number of parts, each adapted to couple to another part via a joining means (8).
The present invention relates to a profile strip (1), preferably for a cylinder drum (5) comprising a bottom strip (3) which is designed for replaceable retention of a bottom profile (2) comprising a number of brushes (6) and a number of grinding elements (8) and where the grinding element (8) along the length of a side edge (10) is provided with an edge zone (13) without grinding effect.
B24D 13/06 - Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery the flaps or strips being individually attached
B24D 11/00 - Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
B24D 13/02 - Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery
28.
APPARATUS FOR GRINDING A SURFACE COMPRISING TWO MOVABLY ARRANGED HOODS
The present invention concerns an apparatus (1), preferably for grinding a surface, including at least one grinding unit, a screen (2, 3) and a guide member (5), where the grinding unit is a rotatable and preferably horizontally arranged grinding cylinder, which at a cylinder surface is provided with a number of preferably exchangeable grinding elements, where the screen (2, 3) entirely or partly encloses the grinding unit, and where the guide member (5) is connected with the screen (2), and where the screen includes an outer screen (2) and an inner screen (3) which are mutually movably connected, and where the inner screen (3) includes a first suction screen (11) and a second screen (12) which are mutually movably connected.
B24B 7/18 - Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
B24B 23/02 - Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
B24B 55/05 - Protective covers for the grinding wheel specially designed for portable grinding machines
B24B 55/10 - Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided
B24B 7/28 - Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding wood
B25F 5/02 - Construction of casings, bodies or handles
03 - Cosmetics and toiletries; cleaning, bleaching, polishing and abrasive preparations
07 - Machines and machine tools
08 - Hand tools and implements
Goods & Services
GRINDING PREPARATIONS, NAMELY, GRINDING PASTE; ABRASIVES, NAMELY, ABRASIVE CLOTH, ABRASIVE ROLLS; ABRASIVE PAPER; POLISHING PREPARATIONS; POLISHING PAPER; FURBISHING PREPARATIONS, NAMELY, POLISH FOR VEHICLES OR MACHINES TRUERING MACHINES; MACHINE PARTS, NAMELY, GRINDSTONES; POLISHING MACHINES FOR USE IN GRINDING, POLISHING AND ABRADING METAL, WOOD, CERAMICS AND PLASTICS; SANDING AND POLISHING MACHINE PARTS, NAMELY, BRUSHES, SANDING AND POLISHING HEADS AND STRIPS; MACHINES AND APPARATUS FOR POLISHING AND FURBISHING METAL, WOOD, CERAMICS AND PLASTICS ABRADING INSTRUMENTS; HAND TOOL, NAMELY, POLISHING INSTRUMENTS FOR POLISHING METAL, WOOD, CERAMICS AND PLASTICS
Trueing machines, [ grindstones as parts of machines, ] electric machines and apparatus, namely, polishing machines for use in grinding, polishing and abrading metal, wood, ceramics and plastics, and brushes and sanding and polishing heads and strips as parts of sanding and polishing machines
Trueing machines, [ grindstones as parts of machines, ] electric machines and apparatus, namely, polishing machines for use in grinding, polishing and abrading metal, wood, ceramics and plastics, and brushes and sanding and polishing heads and strips as parts of sanding and polishing machines
