FR2702171A1 - Combined device for sucking up drilling dust and limiting depth for a manual electric drill - Google Patents

Combined device for sucking up drilling dust and limiting depth for a manual electric drill Download PDF

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Publication number
FR2702171A1
FR2702171A1 FR9302493A FR9302493A FR2702171A1 FR 2702171 A1 FR2702171 A1 FR 2702171A1 FR 9302493 A FR9302493 A FR 9302493A FR 9302493 A FR9302493 A FR 9302493A FR 2702171 A1 FR2702171 A1 FR 2702171A1
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France
Prior art keywords
tube
suction
drilling
spring
depth
Prior art date
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Granted
Application number
FR9302493A
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French (fr)
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FR2702171B1 (en
Inventor
Cordier Jean Albin
Bayle Jacqueline
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Individual
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Individual
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Expired - Fee Related legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
    • B23Q16/001—Stops, cams, or holders therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0042—Devices for removing chips
    • B23Q11/0046—Devices for removing chips by sucking

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For Machine Tools (AREA)

Abstract

The invention relates to a device replacing the rod which limits the depth of drilling by a rigid tube, of which the mouth, positioned to the side of the tube, and pressed against the material to be drilled by a spring, sucks up the dust whilst acting as a drilling depth limiting device. The device comprises, from upstream to downstream of the flow sucked up by a simple domestic appliance, the removable mouthpiece 1, then the tube 2, into which the tube 3 fits; the movement of the tube 3 is limited by the spring 4, the tube 3 being held by the yoke 5 and the screw 6; the flow sucked up next reaches the hose 7 attached to the tube 3 by the connector 8 then arrives at the suction device via the domestic piece 9, via the connection 10. The spring 4 fixed to the hoop 11 secured to the tube 3 compresses against the hoop 12 secured to the tube 2 at its downstream end; it is preset for a standard drilling depth of approximately 35 mm.

Description

D EEE; s C RIP TIO N
L'invention concerne un dispositif pour outil de perçage destiné à assumer à la fois l'aspiration des poussières de matériau s'échappant de ltorifiee du trou de perçage et la limitation de la profondeur du trou à une longueur prédéterminée.D EEE; s C RIP TIO N
The invention relates to a device for a drilling tool intended to assume both the suction of dust from material escaping from the hole in the drilling hole and the limitation of the depth of the hole to a predetermined length.

Le percement de trous dans les murs des appartements occamionne des projections de poussière de plâtre ou de ciment qui souillent les objets alentour et même tombent sur l'opérateur lorsqu'il s'agit de percer un plafond. Le dispositif selon l'invention élimine ce type de pollution. The drilling of holes in the walls of the apartments causes projections of plaster or cement dust which contaminate surrounding objects and even fall on the operator when it comes to piercing a ceiling. The device according to the invention eliminates this type of pollution.

Le dispositif est tel que le perçage et l'aspiration peuvent être réalisés simultanémant par un seul opérateur ayant les deux mains occupées au maintien de la perceuse, le dispositif étant solidaire de la perceuse et fonctionnant de manière autonome. The device is such that drilling and aspiration can be carried out simultaneously by a single operator having both hands engaged in holding the drill, the device being integral with the drill and operating independently.

Le dispositif est caractérisé en ce que l'aspiration peut être réalisée par un aspirateur domestique ou tout autre système, amené à proximité de l'opérateur, le flux d'aspiration empruntant successivement d'amont en aval la pièce collectrice dont l'embouchure d'aspiration est, grace au soudage des tubes aspirant, amenée tout contre le trou, puis le tube aspirant amont dans lequel coulisse le tube aspirant aval, ces tubes comportant un ressort, le tube aval étant solidaire de la perceuse par un étrier et sa vis de blocage, puis le flux arrive à un flexible connecté au tube aval par un raccord et enfin parvient à la pièce courante de l'aspirateur par un raccord. The device is characterized in that the suction can be carried out by a domestic vacuum cleaner or any other system, brought close to the operator, the suction flow passing successively from upstream to downstream of the collecting piece, the mouth of which the suction is, thanks to the welding of the suction tubes, brought right up against the hole, then the upstream suction tube in which the downstream suction tube slides, these tubes comprising a spring, the downstream tube being secured to the drill by a stirrup and its screw blocking, then the flow arrives at a hose connected to the downstream tube by a connector and finally reaches the current part of the vacuum cleaner by a connector.

Le dispositif consiste en ce que le ressort fixé à l'extrémité d'une virole, solidaire du tube aval et par l'autre extrémité à une virole solidaire du tube amont, en se comprimant sous la poussée de la perceuse, permet d'assurer une pression constante de la pièce collectrice dont l'embouchure, placée tout près du trou, est plaquée contre le matériau à percer, et ce afin de faciliter une parfaite collecte des poussières à leur sortie du trou. The device consists in that the spring fixed at the end of a ferrule, secured to the downstream tube and by the other end to a ferrule secured to the upstream tube, by compressing under the thrust of the drill, ensures a constant pressure of the collecting piece, the mouth of which, placed very close to the hole, is pressed against the material to be drilled, and this in order to facilitate a perfect collection of dust as it leaves the hole.

En utilsation standard, le débattement et la puissance du ressort ont été calculés de manière à pouvoir assurer une première pression de la pièce collectrice contre le matériau lors de la mise en place de la mèche à l endroit à percer puis assurer la poussée nécessaire de manière à ce que la pièce collectrice reste plaquée contre le matériau pendant toute la progression de la mèche et enfin, qu'arrivé au maximum de sa compression, la profondeur de perçage atteigne une valeur prédéterminée standard de 35 mm. In standard use, the clearance and the power of the spring have been calculated so as to be able to ensure a first pressure of the collector piece against the material during the positioning of the drill bit at the location to be drilled, then to provide the necessary thrust so that the collector piece remains pressed against the material throughout the progression of the drill bit and finally, that having reached the maximum of its compression, the drilling depth reaches a standard predetermined value of 35 mm.

Il est possible de régler la compression et la limitation de perçage en fonction de la longueur de la mèche en plaçant le tube aval à la distance idoine en le faisant glisser en avant ou en arrière de l'étrier, après avoir desserré et resserré la vis de blocage et s'être aidé de l'échelle de mesure.  It is possible to adjust the compression and the drilling limitation according to the length of the drill bit by placing the downstream tube at the appropriate distance by sliding it in front or behind the bracket, after loosening and tightening the screw blocking and using the measurement scale.

Pour percer plus profondément qu'à 35 mm, on effectue la
manoeuVre en deux temps ou davantage: chaque perçage
additionnel est réalisé en faisant glisser le tube vers
l'aval de 35 mm maximum, en le débloquant et le rebloquant
sur son étrier, et se repérant sur l'échelle de mesures
graduée en demi-centimètres
IL est possible de réaliser l'aspiration en connectant le
flexible , toujours relié au bec d'aspirateur par son
raccord, non plus au tube aval par le raccord prévu à cet
effet, mais directement à une embouchure amont par un
raccord Dans cette hypothèse, le reste du dispositif, tubes, resssort étrier continue à assurer sous la forme décrite,les fonctions de compression et de limitation de profondeur.To drill deeper than 35 mm, the
maneuver in two or more stages: each drilling
additional is achieved by sliding the tube towards
downstream of 35 mm maximum, by unlocking and relocking it
on his stirrup, and finding his way on the scale of measurements
graduated in half centimeters
It is possible to perform the suction by connecting the
flexible, always connected to the vacuum cleaner nozzle by its
connection, no longer to the downstream tube by the connection provided for this
effect but directly to an upstream mouth through a
connection In this case, the rest of the device, tubes, caliper spring continues to provide, in the form described, the compression and depth limitation functions.

Les opérateurs souhaitant utiliser exclusivement le mode d'aspiration en direct ci-dessus décrit, les tubes aspirant n'étant plus nécessaires,- pourront opter pour une version simplifiée du dispositif prévoyant l'emploi d'une double tige d'acier connectable à la pièce d'embouchure, cette tige étant compatible avec le collier du commerce ce qui n'oblige plus, comme dans le modèle de base, à adopter un modèle spécial d'étrier; de même que le ressort tel que décrit dans le modèle de base peut être remplacé par un ressort. d'un type quelconque pourvu qu'il respecte les impératifs de compression et de limitation de débattement prévus pour le modèle de base. Operators wishing to use exclusively the direct suction mode described above, the suction tubes being no longer necessary, - may opt for a simplified version of the device providing for the use of a double steel rod connectable to the mouthpiece, this rod being compatible with the commercial collar, which no longer requires, as in the basic model, to adopt a special stirrup model; just as the spring as described in the basic model can be replaced by a spring. of any type as long as it meets the requirements for compression and limitation of travel provided for the basic model.

La figure I est une coupe de la partie avant de la perceuse équipée du dispositif. Dans le sens du flux d'aspiration, on voit, en amont en (1), la pièce amovible d'embouchure, en (2) le tube coudé pour rapprocher l'axe du dispositif de l'axe de perçage, en (3) le tube aval qui est emboité dans la partie rectiligne du tube (Z) dans laquelle il coulisse, en (4) le ressort hélicoidal pour la compression et la limitation de la profondeur de perçage, ressort fixé en aval en (11) à une virole solidaire du tube (3) et en amont à une virole (12) solidaire du tube (2); on voit en (5) l'étrier de fixation du tube (3) et sa vis de serrage (6). De part et d'autre de l'étrier figure une échelle de mesures en demi-centimètres (13).En (8) se trouve le raccord entre le flexible (7) et le tube (3), en (10) le raccord au bec d'aspiration métallique classique (9), qui précède l'aspirateur
La figure 2 montre le dispositif dans une version aspiration en direct; pour ce faire, le flexible 7 est déconnecté du tube (3) et de son raccord (8) et raccordé à un nouvel accessoire collecteur (14) , par l'intermédiaire du raccord (15) la communication de (14) avec le tube tZi étant obstruée. Dans cette hypothèse le travail de compression pour l'aspiration et la limitation de profondeur du trou continue d'être assuré , par (Z) > (3 > (4) et le
reste du dispositifqui reste inchangé. Figure I is a section of the front part of the drill equipped with the device. In the direction of the suction flow, we see, upstream in (1), the removable mouthpiece, in (2) the bent tube to bring the axis of the device closer to the drilling axis, in (3 ) the downstream tube which is fitted in the rectilinear part of the tube (Z) in which it slides, in (4) the helical spring for the compression and the limitation of the drilling depth, spring fixed downstream in (11) to a ferrule secured to the tube (3) and upstream to a ferrule (12) secured to the tube (2); we see in (5) the tube fixing bracket (3) and its clamping screw (6). On either side of the stirrup is a scale of measurements in half centimeters (13). In (8) is the connection between the hose (7) and the tube (3), in (10) the connection with the classic metal suction nozzle (9), which precedes the vacuum cleaner
Figure 2 shows the device in a direct suction version; to do this, the hose 7 is disconnected from the tube (3) and its connector (8) and connected to a new collector accessory (14), via the connector (15) the communication of (14) with the tube tZi being obstructed. In this hypothesis the compression work for the suction and the limitation of the depth of the hole continues to be ensured, by (Z)>(3> (4) and the
rest of the device which remains unchanged.

La figure 3 concerne une version simpliée du dispositif, d'aspiration en direct ci-dessus décrit, et ce dans l'hypothèse où l'utilisateur souhaiterait privilégier la version d'aspiration directe que permet la pièce d'embouchure @olloctrice (14j, le flux empruntant le trajet (15),(7), (10) et (9). Dans ce cas, les tubes (2) et (3) des figures I et 2 devenant inutiles pour la fonction aspiration, peuvent être remplacés par une simple tringle (16) de même diamètre que la tige limitatrice du commerce, ce qui rend inutile, avec (17), l'adaptation au collier d'un type d'étrier différent de celui du commerce. comme prévu avec (5) et 6j dans les figures I et 2; tout système de ressort du commerce genre (18j offrant le débattement souhaité, peut être adapté à la tige (16)  FIG. 3 relates to a simplified version of the device, for direct suction described above, and this assuming that the user would prefer to favor the version of direct suction which the mouthpiece @olloctrice (14d, the flow taking the path (15), (7), (10) and (9). In this case, the tubes (2) and (3) of Figures I and 2 becoming useless for the suction function, can be replaced by a simple rod (16) of the same diameter as the trade limiting rod, which makes it unnecessary, with (17), to adapt to the collar a type of stirrup different from that of the trade, as provided with (5) and 6d in Figures I and 2; any kind of commercial spring system (18d offering the desired travel, can be adapted to the rod (16)

Claims (3)

EVENDICATIONS Ai Dispositif pour outil de perçage destiné à assurer à la fois l'aspiration des poussières du matériau s'échappant du trou de perçage et la limitation de la profondeur du trou à une longueur prédéterminée caractérisé par le fait que le travail de perçage et d'aspiration peut être réalisé simultanément par un seul opérateur ayant les deux mains occupées au maintien de la perceuse, le dispositif étant solidaire de la perceuse, et fonctionnant de manière autonome.CLAIMS Ai Device for a drilling tool intended to ensure both the suction of dust from the material escaping from the drilling hole and the limitation of the depth of the hole to a predetermined length characterized in that the work of drilling and d suction can be carried out simultaneously by a single operator having both hands engaged in maintaining the drill, the device being integral with the drill, and operating independently. 2) Dispositif selon la revendication i caractérisé en ce que l'aspiration peut être réalisée par un aspirateur domestique, ou tout autre système, amené à proximité de l'opérateur, le flux d'aspiration empruntant successivement d'amont en aval, la pièce collectrice (1), dont l'embouchure d'aspiration est, grace au courage des tubes aspirant. 2) Device according to claim i characterized in that the suction can be carried out by a domestic vacuum cleaner, or any other system, brought near the operator, the suction flow successively borrowing from upstream to downstream, the part manifold (1), whose suction mouth is, thanks to the courage of the suction tubes. amenée tout contre le trou, puis le tube aspirant (2), dans lequel coulisse le tube aspirant (3) les tubes (2) et trois étant équipés du ressort 4), tandis que le tube 3j est solidaire de la perceuse par l'étrier (5) et sa vis de blocage (ui, puis le flux arrive au flexible (7j connecté au tube (3) par le raccord 8, et enfin parvient à la pièce courante de l'aspirateur par le raccord 1Oj brought up against the hole, then the suction tube (2), in which the suction tube (3) slides the tubes (2) and three being equipped with the spring 4), while the tube 3j is secured to the drill by the stirrup (5) and its locking screw (ui, then the flow arrives at the hose (7j connected to the tube (3) by the connector 8, and finally reaches the standard part of the vacuum cleaner by the connector 1Oj 3i Dispositif selon les revendications 1 et 2, caractérisé en ce que le ressort (4) fixé par une extrémité à la virole (11) solidaire du tube (3), et par l'autre à la virole (12) solidaire du tube (2), en se comprimant sous la poussée de la perceuse, permet d'assurer une pression constante de la pièce collectrice 1i dont l:embouchure, placée tout près du trou , est plaquée contre le matériau à percer, et ce afin de faciliter une parfaite collecte des poussières à leur sortie du trou. 3i Device according to claims 1 and 2, characterized in that the spring (4) fixed by one end to the ferrule (11) integral with the tube (3), and by the other to the ferrule (12) integral with the tube ( 2), by compressing under the thrust of the drill, makes it possible to ensure a constant pressure of the collector piece 1i, the mouth of which, placed very close to the hole, is pressed against the material to be drilled, and this in order to facilitate a perfect dust collection on leaving the hole. 4) Dispositif selon revendications 1, 2 et 3! caractérisé en ce que, en utilisation standard, le débattement et la puissance du ressort 4j ont été calculés de manière a pouvoir assurer, une première pression de la pièce (1) contre le matériau lors de la mise en place de la mèche à l'endroit à percer, puis assurer la poussée nécessaire, de manière à ce que la pièce (1) reste plaquée contre le matériau pendant toute la progression de la mèche et enfin qu'arrivé au maximum de sa compression, la profondeur de perçage atteigne une valeur prédéterminée standard de 35 mm. 4) Device according to claims 1, 2 and 3! characterized in that, in standard use, the clearance and the power of the spring 4j have been calculated so as to be able to ensure a first pressure of the part (1) against the material during the positioning of the drill bit place to be drilled, then ensure the necessary thrust, so that the part (1) remains pressed against the material during the entire progression of the drill bit and finally that when it reaches its compression maximum, the drilling depth reaches a value 35 mm standard preset. 5) Dispositif selon la revendication 4 caractérisé en ce qu'il est possible de régler la compression et la limitation de perçage. en fonction de la longueur de la mèche, en plaçant le tube (3) a la distance idoine en le faisant glisser en avant ou en arrière de l'étrier joi après avoir desserré et resserré le vis de blocage (6) et s'être aidé de l'échelle de mesure (13 > 6j Dispositif selon les revendications 4 et 5, caractérisé en ce que le perçage d'un trou d'une profondeur supérieure à 35 mm peut être réalisé en deux temps ou davantage: chaque perçage additionnel est réalisé en faisant glisser le tube (3) vers l'aval! sur une longueur de 35 mm maximum, en le débloquant et le rebloquant sur son étrier 5j et en se repérant sur l'échelle de mesure (13 > graduée en demi-centimètres. 5) Device according to claim 4 characterized in that it is possible to adjust the compression and the drilling limitation. depending on the length of the drill bit, placing the tube (3) at the appropriate distance by sliding it forward or backward of the caliper joi after having loosened and tightened the locking screw (6) and having with the aid of the measuring scale (13> 6j Device according to claims 4 and 5, characterized in that the drilling of a hole with a depth greater than 35 mm can be carried out in two or more stages: each additional drilling is made by sliding the tube (3) downstream! over a length of 35 mm maximum, by unlocking and re-blocking it on its caliper 5d and by finding its way on the measurement scale (13> graduated in half-centimeters . 7j Dispositif selon la revendication 23 caractérisé en ce que l'aspiration peut être réalisée, par le flexible (7), connecté au bec d'aspirateur (U) par le raccord (10), lequel, au lieu d'être connecté en (8i au tube (3), sera connecté directement par un raccord i1oi à une embouchure (14), les autres pièces du dispositif, de (2) à (6) et (11), (12j et (13j continuant à assurer les fonctions de compression et de limitation de profondeur. 7j Device according to claim 23 characterized in that the suction can be carried out, by the hose (7), connected to the vacuum cleaner nozzle (U) by the connector (10), which, instead of being connected by ( 8i to the tube (3), will be connected directly by an i1oi fitting to a mouthpiece (14), the other parts of the device, from (2) to (6) and (11), (12d and (13d continuing to provide the functions compression and depth limitation. ai Dispositif'selon les revendications 1 et 73 prévu pour l'utilisation exclusive du mode d'aspiration en direct, caractérisé en ce que la partie du dispositif réalisant la compression et la limitation de profondeur ne nécessitant plus de tubes creux, peut être simplifiée par l'emploi d'une simple double tige d'acier (16), connectable à la pièce d'embouchure i14j et compatible avec le collier du commerce (17), ce qui n'oblige plus comme dans les dispositifs décrits figure 1 et 2, à adopter un modèle spécial d'étrier (5) et (6) i de même que le ressort ne nécessite plus d'être adapté au coulissement de deux tubes l'un dans l'autre, comme le ressort (4) des configurations 1 et 2, un ressort d'un type quelconque (18) peut convenir, pourvu qu'il respecte les impératifs de compression et de limitation de débattement susvisés.  ai Device according to claims 1 and 73 intended for the exclusive use of the direct suction mode, characterized in that the part of the device carrying out the compression and the depth limitation no longer requiring hollow tubes, can be simplified by the use of a simple double steel rod (16), connectable to the mouthpiece i14j and compatible with the commercial collar (17), which no longer requires, as in the devices described in FIGS. 1 and 2 , to adopt a special stirrup model (5) and (6) i, just as the spring no longer needs to be adapted to the sliding of two tubes one inside the other, like the spring (4) in the configurations 1 and 2, a spring of any type (18) may be suitable, provided that it meets the abovementioned requirements for compression and limitation of travel.
FR9302493A 1993-03-02 1993-03-02 Combined drilling dust extraction device and depth limiter for manual electric drill. Expired - Fee Related FR2702171B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9302493A FR2702171B1 (en) 1993-03-02 1993-03-02 Combined drilling dust extraction device and depth limiter for manual electric drill.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9302493A FR2702171B1 (en) 1993-03-02 1993-03-02 Combined drilling dust extraction device and depth limiter for manual electric drill.

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FR2702171A1 true FR2702171A1 (en) 1994-09-09
FR2702171B1 FR2702171B1 (en) 1995-04-14

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Cited By (7)

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Publication number Priority date Publication date Assignee Title
EP1245330A2 (en) * 2001-03-27 2002-10-02 HILTI Aktiengesellschaft Collection of dust by suction in a hand tool
NL2002833C2 (en) * 2009-05-04 2010-11-08 Collect Systems Europ B V VACUUM NOZZLE HOLDER, VACUUM NOZZLE, DRILL HEAD, KIT.
JP2012016789A (en) * 2010-07-08 2012-01-26 Makita Corp Dust collection device
EP2591883A1 (en) * 2010-07-08 2013-05-15 Makita Corporation Dust collection device and impact tool
CN103769648A (en) * 2014-02-10 2014-05-07 陈科 Novel electric drill
EP2732914A1 (en) * 2012-11-19 2014-05-21 Makita Corporation Dust collecting device and power tool having the same
CN109317723A (en) * 2018-10-15 2019-02-12 深圳市贝优通新能源技术开发有限公司 A kind of dust collecting electric tool with control punching deeper function

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US4097176A (en) * 1975-10-28 1978-06-27 Robert Bosch Gmbh Particle-aspirating accessory for a hammer drill
DE2705410A1 (en) * 1977-02-09 1978-08-10 Bosch Gmbh Robert DEVICE FOR COLLECTING SMALL DRILLS
DE3324615A1 (en) * 1982-11-27 1984-05-30 Robert Bosch Gmbh, 7000 Stuttgart Device for collecting drill cuttings
EP0426321A1 (en) * 1989-10-14 1991-05-08 Hitachi Koki Co., Ltd. Drill having dust collecting device
EP0434295A2 (en) * 1989-12-22 1991-06-26 Black & Decker Inc. Dust extraction for drill
GB2247852A (en) * 1990-09-14 1992-03-18 John Vivian Cridland Dust collecting attachment for power drills

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Publication number Priority date Publication date Assignee Title
US2349156A (en) * 1942-03-13 1944-05-16 Chicago Pneumatic Tool Co Offset drilling attachment
DE2546531A1 (en) * 1975-10-17 1977-04-28 Guenter Konschak Hand drill dust extractor - has suction nozzle guided by socket on outer pipe, inner pipe, and stabilising rod
US4097176A (en) * 1975-10-28 1978-06-27 Robert Bosch Gmbh Particle-aspirating accessory for a hammer drill
DE2705410A1 (en) * 1977-02-09 1978-08-10 Bosch Gmbh Robert DEVICE FOR COLLECTING SMALL DRILLS
DE3324615A1 (en) * 1982-11-27 1984-05-30 Robert Bosch Gmbh, 7000 Stuttgart Device for collecting drill cuttings
EP0426321A1 (en) * 1989-10-14 1991-05-08 Hitachi Koki Co., Ltd. Drill having dust collecting device
EP0434295A2 (en) * 1989-12-22 1991-06-26 Black & Decker Inc. Dust extraction for drill
GB2247852A (en) * 1990-09-14 1992-03-18 John Vivian Cridland Dust collecting attachment for power drills

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1245330A2 (en) * 2001-03-27 2002-10-02 HILTI Aktiengesellschaft Collection of dust by suction in a hand tool
EP1245330A3 (en) * 2001-03-27 2002-10-23 HILTI Aktiengesellschaft Collection of dust by suction in a hand tool
US6851898B2 (en) 2001-03-27 2005-02-08 Hilti Aktiengesellschaft Dust removal unit for a hand tool device
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EP2591885A1 (en) * 2010-07-08 2013-05-15 Makita Corporation Dust collection device and impact tool
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US9440344B2 (en) 2010-07-08 2016-09-13 Makita Corporation Dust collecting device and impact tool
EP2591883A4 (en) * 2010-07-08 2014-05-21 Makita Corp Dust collection device and impact tool
EP2591883A1 (en) * 2010-07-08 2013-05-15 Makita Corporation Dust collection device and impact tool
JP2012016789A (en) * 2010-07-08 2012-01-26 Makita Corp Dust collection device
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US20140138114A1 (en) * 2012-11-19 2014-05-22 Makita Corporation Dust collecting device and power tool having the same
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CN103769648A (en) * 2014-02-10 2014-05-07 陈科 Novel electric drill
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