EP0949047B1 - Dispositif de marquage comportant un mécanisme d'entrainement perfectionné - Google Patents
Dispositif de marquage comportant un mécanisme d'entrainement perfectionné Download PDFInfo
- Publication number
- EP0949047B1 EP0949047B1 EP99420091A EP99420091A EP0949047B1 EP 0949047 B1 EP0949047 B1 EP 0949047B1 EP 99420091 A EP99420091 A EP 99420091A EP 99420091 A EP99420091 A EP 99420091A EP 0949047 B1 EP0949047 B1 EP 0949047B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- marking device
- relative
- displaceable
- marking
- arm
- 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.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
- B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
- B44B5/0095—Machines or apparatus for embossing decorations or marks, e.g. embossing coins using computer control means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
- B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
- B44B5/0004—Machines or apparatus for embossing decorations or marks, e.g. embossing coins characterised by the movement of the embossing tool(s), or the movement of the work, during the embossing operation
- B44B5/0019—Rectilinearly moving embossing tools
Definitions
- the present invention relates to a marking device.
- marking device means any device enabling make a pattern on the surface of a part, either by printing, deformation or removal of material at this surface.
- a marking device comprises a frame supporting a drive mechanism of a tool marking, which can be a pneumatic stylus or a head engraving.
- a drive mechanism has a fixed element with respect to the frame, provided with ledges on which two guide bars are arranged.
- a first carriage is slidably mounted thereon and is finds himself provided with two additional bars, perpendicular to the first pair of bars and which are intended for receiving a second carriage to which the tool is attached marking.
- the marking tool is suitable for moving according to two directions perpendicular to each other, with respect to the fixed element.
- such a marking device has certain disadvantages. Indeed, the high number of its elements constitutive implies the existence of important functional games. In addition, the rigidity of these constituent elements is relatively weak, due to their lightness, so that they are sometimes subject, in service, to certain deformations. Finally, such a marking device sometimes calls for Toothed drive belts for carriages, inducing elastic deformation phenomenon. All of these characteristics therefore gives a definite lack of precision to the positioning of the marking tool thus produced.
- the invention proposes to produce a marking device which, while having a lightness sufficient, guarantees precise positioning of the marking and is subject, in service, to low friction.
- the invention relates to a device for marking including a frame and a drive mechanism a marking tool relative to the frame, said mechanism drive comprising a fixed element with respect to said frame, a movable element integral with said tool marking and means for moving said movable element by relation to said fixed element in two perpendicular directions between them, characterized in that said means of displacement include a first linear motor element able to move said mobile element according to a first steering and a second linear motor element capable of moving said movable member in a second direction perpendicular to the first direction.
- the marking device represented in FIG. 1, designated as a whole by the reference 2, comprises a base 4 for receiving a part to be marked 6.
- a bracket 8 extends from base 4, away from the area of reception of the piece to be marked 6, and includes a column vertical 8A on which a bar can be secured horizontal 8B, the height of which can be adjusted by any means appropriate.
- the end of the bar 8B, opposite the post 8A, is subject, for example by screwing, to a drive mechanism 10 of a marking tool 12.
- a marking tool 12 is, in the example shown, a pneumatic stylus but the invention can also be applied to other tools, such as, for example, an electromagnetic stylus or a bur engraving or an instrument depositing ink.
- This drive mechanism 10 has a fixed element 14, of generally parallelepiped shape.
- a mobile element 16 which is also globally parallelepipedic, is likely to move in two perpendicular directions between them, in the vicinity of the lower face 14A of the fixed element 14, namely that opposite the bar 8B.
- the displacement of the movable element 16 relative to the fixed element 14 is achieved by taking advantage of the induction phenomenon.
- the fixed inductor element 14, forming a stator, and the element mobile 16 armature, forming a carriage are such as those marketed, for example, by the company 3D Automation under the name Planar / Drive and form a linear motor plan.
- the armature 16 is produced in the form of four modules individual 18, 20, 22 and 24, each of which includes a coil 18A, 20A, 22A, 24A and its associated magnetic core 18B, 20B, 22B, 24B, both embedded in resin.
- the facing surfaces, made of soft iron, of the fixed element 14 and magnetic cores 18B, 20B, 22B, 24B are provided with respective teeth, not shown, intended to align with each other when the current flows through the coil.
- the carriage 16 By varying the characteristics of the current in the coils 18A and 22A, it is possible to move the carriage 16 induced in a first direction materialized by the arrow F. This carriage may move according to a perpendicular direction, materialized by arrow F ', by selective current flow in the coils 20A and 24A.
- Each module 18, 20, 22, 24 is the seat of a magnet permanent, so that the carriage 16 is permanently attracted by the ferric surface of the fixed element 14 forming a stator.
- the currents of these coils are supplied in a known manner by electronic stepper motor power boards two phases.
- An air passage 25 is also provided in the body of the carriage 16. This air passage is supplied by means of a hose 26, shown in Figures 1 and 2 and allows training, in service, an air cushion between the facing planes 14A, 16A of the fixed element 14 and of the carriage 16.
- the power supply electrical coils is provided, in known manner, by a line 27.
- the stylus 12 is fixed to the carriage 16 for example by bonding.
- the pneumatic stylus 12 is supplied by a pipe 28, in a known manner.
- an end angle 30 is fixed to the level of one of the angles of the fixed element 14.
- Each of the wings of this angle iron 30 receives a sensor 32, so that this angle ensures precise positioning of the carriage 16.
- This angle thus constitutes an origin of the coordinates for the carriage 16. This origin has been reached during commissioning of the marking device, by an automatic movement in direction of the angle, movement which is interrupted upon actuation sensors 32.
- FIG. 5 represents a second embodiment of the invention.
- the movable element 16 is provided, opposite to the fixed element 14, of a sheath 34 receiving slidingly a first bar 36 extending in a first direction.
- This bar 36 is connected, at one of its ends, to a transverse sleeve 38 capable of sliding relative to a second bar 40.
- the latter which extends perpendicular to the first bar 36, is subject to two cheeks 42 extending from the fixed element 14.
- the two bars 36, 40 provide guidance of this mobile element, in two perpendicular directions between them, and therefore prevents it from pivoting around an axis vertical. This contributes to ensuring high reliability of functioning, given that the risk of dropping out of the movable element 16, under the effect of such pivoting, are particularly weak.
- FIGS. 1 to 4 A third embodiment of the invention is shown in Figures 6 to 8, in which the identical elements to those of FIGS. 1 to 4 are designated by the same reference numbers increased by 100.
- the fixed element 114 and the carriage 116 are arranged inside a housing 134 parallelepiped, secured to a gallows not shown, similar to that 8 of the previous figures.
- the housing 134 which is generally closed, is pierced with a opening 135 at one of its 136 lateral faces. As shown in particular in Figure 7, the walls of the housing 134 opposite, constituting the upper edges and bottom of opening 135, are each provided with a rail longitudinal 138 in a U shape.
- a movable deck 140 which is provided with ribs 142 and whose longitudinal dimensions are significantly lower than those of rails 138, is received at sliding in these rails 138, via the ribs 142.
- This apron 140 is hollowed out with a middle opening 144 of receiving an arm 146 fixed, at a first end, to the carriage 116, and carrying, at its other end, a stylus marking 112.
- This arm 146 is hollowed out of a longitudinal housing 148 for receiving an air hose 128 supplying the stylus.
- the trolley is supplied with air and electricity respectively by a pipe 126 and a line 127.
- a strip 150 for example metallic, extends over the entire inner periphery of the lateral faces of the case 134.
- This strip which forms a closed loop, is mounted on four rollers 152 and is attached to the deck 140. It is also pierced, over part of its height, an opening for the passage of the arm 146.
- the carriage In service, when the carriage is moved according to the main direction of arm 146, the latter is able to slide within the respective openings in the apron 140 and in strip 150, these last two elements remaining fixed.
- the carriage When the carriage is moved perpendicularly to the main direction of the arm 146, the latter drives the sliding of the apron 140 along the rails 138, as well as moving the strip 150 around the rollers 152.
- the band 150 protects the fixed element 114 inductor and the carriage 116 induced with regard to dust and external dirt.
- the deck 140 and the rails 138 provide the guiding the arm 146 in two perpendicular directions between them, which limits the risk of dropping out of the movable element, by pivoting of the latter around an axis vertical.
- the strip 150 and its rollers 152 of support can be replaced by two bellows 154 mounted on rails 138 and arranged on either side of the apron 140 for receiving the arm 146.
- These bellows 154 are fixed, at each of their lateral ends, respectively to the walls of the housing 134 and to the side faces of the deck 140.
- these bellows 154 are able to fold or unfold, so as to guarantee watertightness overall of the whole case 134.
- the arm 146 is integral, at opposite the carriage 116, a holding member 156 free to move relative to a support member 158, which is fixed relative to the framework of the marking device not shown in this figure.
- the member 156 can be a passive part free from move relative to the support element 158 by means of a air cushion.
- the movement of the member 156 can also be insured by means of a linear motor additional, which gives motor power particularly important to the means of movement of the arm 146.
- Figure 11 shows an additional variant of embodiment of the invention, in which a metal strip 250, forming a closed loop, is mounted on rollers 252 arranged in recesses 233 of the housing 234, arranged at each angle of the latter.
- This strip 250 therefore extends to the outer periphery of the lateral faces of the housing 234 and is is able to support the movements of the arm 246, while sealing the housing 234.
- Figure 12 shows an additional variant of the invention, in which the movable element 316 receives an arm 346 supporting a not shown marking tool.
- This element mobile includes four individual modules 318, 320, 322 and 324, whose structure is similar to that of modules 18 to 24 described with reference to Figures 3 and 4.
- modules 318 to 324 are however arranged so different, in the sense that modules 318 and 322, which allow moving the movable element according to a first direction materialized by the arrow G ', are arranged so opposite, on both sides of the two modules 320 and 324 allowing the displacement of the movable element 316 in the direction materialized by the arrow G perpendicular to the arrow G '. All modules are aligned according to direction main of arm 346.
- Figure 13 shows a compliant marking device to a further embodiment of the invention, which is designated as a whole by the reference 402, and comprises a base 404 for receiving a part to be marked, not shown.
- a bracket 406 extends from the base 404, at a distance from the reception area of the part to be marked and includes a vertical column 406A on which a horizontal bar 406B, the height of which is adjustable by any appropriate means.
- a generally closed enclosure 408 is subject, by its upper wall 408A, at the end of the bar 406B, opposite to the post 406.
- This enclosure 408 receives the drive mechanism 410 of a marking tool 412.
- the latter is, in the example shown, a pneumatic stylus, but the invention can also be applied to other tools, such as for example an electromagnetic stylus, an engraving cutter or even an instrument depositing ink.
- the drive mechanism 410 has a fixed element 414, of generally parallelepiped shape and which is fixed, by example by screwing, against the upper wall 408A of the enclosure 408.
- a mobile element 416 which is also parallelepiped, is likely to move in two directions perpendicular to each other, in the vicinity of the underside 414A of the fixed element 414, namely that opposite the 406B bar.
- the displacement of the movable element 416 relative to the fixed element 414 is produced by taking advantage of the phenomenon induction, analogously to what has been described in reference to Figures 3 and 4.
- An unrepresented air passage is formed in the body of the carriage 416.
- This air passage is supplied by means of a hose 426 and allows the formation, in service, of a cushion of air between the facing planar faces 414A, 416A of the element fixed 414 and the carriage 416.
- This pipe 426 and this line penetrates, with seal, at the top wall 408A of enclosure 408.
- a finger 428 is fixed to the carriage 416, for example by bonding. It is also possible to provide, in the resin, cart modules, a metal plate to which this finger 428 is secured by screwing. This finger 428 is integral, with its end opposite the carriage, a ball joint 430 ensuring the pivoting joint of the marking tool 412 by compared to carriage 416.
- the marking tool 412 is mounted at the lower end an operating rod 432 which passes through the enclosure 408 by a opening 434, of concave spherical profile.
- This opening 434 constitutes a bearing for a spherical ball joint 436 in profile corresponding, integral with the operating rod 432.
- the end 438 of the rod 432, opposite the tool marking 412, is likely to slide within a housing provided with an articulated intermediate piece 440 on the ball 436, via a fork 442. It note that the connection between finger 428 and piece 440 can be of cardan type.
- the operating rod 432 and the part intermediate 440 form a support element for the marking 412.
- Hose 444 supplying air to the stylus pneumatic 412 penetrates through the upper wall 408A of the enclosure 408 and opens into the housing of the intermediate piece 440, intended for sliding reception of the rod operation 432.
- the marking tool 412 When the induced carriage 416 is moved relative to the fixed element 414, the marking tool 412 also moves, due to the double articulation of the rod 432, at the times relative to the carriage 416 and to the walls of the enclosure 408.
- the invention also finds its application to first and second separate linear motor elements, arranged at a distance from each other on the movable member.
- the invention makes it possible to achieve the objectives previously mentioned. Indeed, the use of a fixed inductor element cooperating with an induced movable element allows appeal to a very small number of building blocks, which tends to reduce backlash compared to marking devices prior art. Furthermore, none of these constituent elements is not likely to deform in service, which gives a very precise positioning with the device marking tool according to the invention.
- this inductor and this armature leads a significant reduction in friction compared to the devices marking of the prior art using many mechanical elements. This is allowed through the use of a air cushion interposed between the facing faces of the inductor and armature.
- Having the marking tool on one arm allows to deport the marking area outside the training area of the movable element.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Cutting Processes (AREA)
- Valve Device For Special Equipments (AREA)
- Surgical Instruments (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Air Bags (AREA)
- Adornments (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Control Of Position Or Direction (AREA)
- Dot-Matrix Printers And Others (AREA)
Description
- la figure 1 est une vue de côté d'un dispositif de marquage conforme à un premier mode de réalisation de l'invention ;
- la figure 2 est une vue en perspective du mécanisme d'entraínement de l'outil de marquage du dispositif de marquage représenté à la figure 1 ;
- la figure 3 est une vue schématique de dessus d'un chariot mobile du mécanisme d'entraínement représenté à la figure 2 ;
- la figure 4 est une vue en coupe selon la ligne IV-IV à la figure 3 ;
- les figures 5 et 6 sont des vues en perspective illustrant le mécanisme d'entraínement d'un dispositif de marquage conforme à des second et troisième modes de réalisation de l'invention ;
- la figure 7 est une vue en coupe, selon la direction principale du bras du mécanisme d'entraínement représenté à la figure 6 ;
- la figure 8 est une vue en coupe selon ligne VIII-VIII à la figure 7 ;
- la figure 9 est une vue en coupe, analogue à la figure 8, illustrant une autre variante de réalisation de l'invention ;
- la figure 10 est une vue de côté illustrant une variante supplémentaire de l'invention ;
- la figure 11 est une vue en coupe, analogue à la figure 8, illustrant une variante supplémentaire de réalisation de l'invention ;
- la figure 12 est une vue analogue à la figure 3, d'une variante supplémentaire de réalisation de l'invention ;
- la figure 13 est une vue de côté d'un dispositif de marquage conforme à un autre mode de réalisation de l'invention et
- la figure 14 est une vue en coupe du mécanisme d'entraínement du dispositif de marquage représenté à la figure 13.
Claims (14)
- Dispositif de marquage (2 ; 402) comprenant une ossature (4, 8 ; 404, 406) et un mécanisme d'entraínement (10 ; 410) d'un outil de marquage (12 ; 112 ; 412) par rapport à l'ossature, ledit mécanisme d'entraínement comportant un élément fixe (14 ; 114 ; 414) par rapport à ladite ossature, un élément mobile (16 ; 116 ; 316 ; 416) solidaire dudit outil de marquage (12 ; ; 112 ; 412) et des moyens de déplacement dudit élément mobile par rapport audit élément fixe selon deux directions perpendiculaires entre elles, caractérisé en ce que lesdits moyens de déplacement comprennent un premier élément de moteur linéaire (18, 22 ; 318, 322) apte à déplacer ledit élément mobile (16 ; 116 ; 316 ; 416) selon une première direction (F) et un second élément de moteur linéaire (20, 24 ; 320, 324) apte à déplacer ledit élément mobile selon une seconde direction (F') perpendiculaire à la première direction (F).
- Dispositif de marquage selon la revendication 1, caractérisé en ce que lesdits premier (18, 22 ; 318, 322) et second (20, 24 ; 320, 324) éléments de moteur linéaire sont assemblés l'un à l'autre, de manière à former un unique moteur linéaire déplaçable selon deux directions (F, F') perpendiculaires entre elles.
- Dispositif de marquage selon la revendication 1 ou 2, caractérisé en que l'outil de marquage (12) est directement fixé, notamment par vissage, sur l'élément mobile (16).
- Dispositif de marquage selon la revendication 3, caractérisé en que l'élément fixe (14) est pourvu, à l'un de ses angles, d'une cornière (30) de positionnement à l'origine dudit élément mobile (16).
- Dispositif de marquage selon l'une des revendications 3 ou 4, caractérisé en ce que ledit élément mobile (16) est propre à coulisser par rapport à une première barre de guidage (36) s'étendant selon une première direction, ladite première barre de guidage (36) étant propre à coulisser selon une seconde direction, perpendiculaire à la première direction, par rapport à une seconde barre de guidage (40) solidaire de l'ossature (4, 8) du dispositif.
- Dispositif de marquage selon la revendication 1 ou 2, caractérisé en ce que l'outil de marquage (112) est fixé sur un bras (146 ; 346) solidaire de l'élément mobile (116 ; 316).
- Dispositif de marquage selon la revendication 6, caractérisé en que l'élément fixe (114) et l'élément mobile (116) sont disposés dans un boítier (134), ledit bras (146) solidaire de l'élément mobile faisant saillie hors du boítier en étant libre de coulisser selon sa direction principale par rapport à un élément de support (140) disposé dans une ouverture (135) pratiquée dans une face latérale du boítier, ledit élément de support (140) étant propre à se déplacer transversalement par rapport à la direction principale du bras (146) le long d'un pourtour de ladite ouverture, des moyens (150 ; 154 ; 250) étant prévus pour maintenir l'étanchéité du boítier (134) lors du déplacement dudit élément de support (140).
- Dispositif de marquage selon la revendication 7, caractérisé en ce que les moyens d'étanchéité comprennent une boucle fermée (150) s'étendant à la périphérie des parois latérales du boítier (134), ladite boucle étant pourvue d'une ouverture de passage dudit bras (146) et étant propre à se déplacer le long desdites parois latérales du boítier.
- Dispositif de marquage selon la revendication 7, caractérisé en ce que les moyens d'étanchéité comprennent deux soufflets (154) disposés, au sein de l'ouverture (135) de la face latérale du boítier (134), de part et d'autre de l'élément de support (140).
- Dispositif de marquage suivant l'une quelconque des revendications 6 à 9, caractérisé en ce qu'il comprend un organe de maintien (156) du bras (146), fixé audit bras à l'opposé de l'élément mobile (116), ledit organe de maintien (156) étant déplaçable, par des moyens de déplacement, au voisinage de la surface d'un élément de support, fixe par rapport à l'ossature.
- Dispositif de marquage suivant la revendication 10, caractérisé en ce que lesdits moyens de déplacement comprennent des troisième et quatrième éléments de moteur linéaire aptes à déplacer ledit organe mobile (156) selon deux directions perpendiculaires entre elles, par rapport à l'élément de support (158).
- Dispositif de marquage selon l'une des revendications 6 à 11, caractérisé en ce que les premier (318 ; 322) et second (320 ; 324) éléments de moteur linéaire comprennent chacun au moins deux modules, deux modules opposés (318, 322) du premier élément étant placés de part et d'autre de deux modules centraux (320, 324) du second éléments, les modules opposés et les modules centraux étant sensiblement alignés selon l'axe principal du bras (346).
- Dispositif de marquage suivant l'une des revendications 1 ou 2, caractérisé en ce que l'outil de marquage (412) est solidaire d'un élément de support (432, 440) susceptible de pivoter à la fois par rapport à l'élément mobile (416) et par rapport à une zone (434) fixe de l'ossature
- Dispositif de marquage selon la revendication 13, caractérisé en ce que l'élément de support (432, 440) est monté à pivotement par rapport à l'élément mobile (416), par l'intermédiaire d'un élément d'articulation (428, 430) fixé sur ledit élément mobile.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9804875 | 1998-04-10 | ||
FR9804875A FR2777217B1 (fr) | 1998-04-10 | 1998-04-10 | Dispositif de marquage comportant un mecanisme d'entrainement perfectionne |
FR9806863 | 1998-05-27 | ||
FR9806863A FR2779085B1 (fr) | 1998-05-27 | 1998-05-27 | Dispositif de marquage comportant un mecanisme d'entrainement perfectionne |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0949047A1 EP0949047A1 (fr) | 1999-10-13 |
EP0949047B1 true EP0949047B1 (fr) | 2003-02-05 |
Family
ID=26234275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99420091A Expired - Lifetime EP0949047B1 (fr) | 1998-04-10 | 1999-04-09 | Dispositif de marquage comportant un mécanisme d'entrainement perfectionné |
Country Status (9)
Country | Link |
---|---|
US (1) | US6188148B1 (fr) |
EP (1) | EP0949047B1 (fr) |
JP (1) | JPH11320458A (fr) |
AT (1) | ATE232153T1 (fr) |
BR (1) | BR9904676A (fr) |
CA (1) | CA2268299A1 (fr) |
DE (1) | DE69905210T2 (fr) |
DK (1) | DK0949047T3 (fr) |
ES (1) | ES2188118T3 (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6427357B1 (en) * | 1999-08-13 | 2002-08-06 | Thomas W. Piper | Spindle mounted marking device for CNC machines |
FR2801238B1 (fr) * | 1999-11-24 | 2002-02-15 | Technomark | Machine de marquage modulable de pieces |
GB2370812A (en) * | 2001-01-09 | 2002-07-10 | Edward Pryor And Son Ltd | Handheld marking device including a marking stylus head horizontally and vertically movable about a frame to a required location by two stepper motors |
US20030221470A1 (en) * | 2002-05-30 | 2003-12-04 | Gunther Siegel | Apparatus for writing in metal |
US7707731B2 (en) * | 2008-09-05 | 2010-05-04 | The Tapmatic Corporation | Marking device for rotational machines |
EP3053756A1 (fr) * | 2015-02-04 | 2016-08-10 | Inka-Laser GmbH & Co KG | Dispositif de marquage doté de moteurs linéaires |
DE102015001263B4 (de) * | 2015-02-04 | 2021-06-10 | MAPA-Tech GmbH & Co. KG | Markiervorrichtung mit Linearmotoren |
CN107512086B (zh) * | 2017-10-12 | 2023-10-27 | 重庆市灵龙自动化设备有限公司 | 用于手机马达的自动喷码装置 |
CN107598887B (zh) * | 2017-10-25 | 2024-01-09 | 广西职业技术学院 | 一种多功能划线台 |
CN107972370B (zh) * | 2017-12-08 | 2019-11-12 | 安徽万礼食品有限责任公司 | 一种电池自动打标机 |
CN109702706B (zh) * | 2019-02-20 | 2023-12-26 | 上海机动车检测认证技术研究中心有限公司 | 一种划线装置 |
CN115312335B (zh) * | 2022-09-29 | 2022-12-09 | 山东博尔特电梯有限公司 | 一种便于安装操作的行程开关 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3851196A (en) * | 1971-09-08 | 1974-11-26 | Xynetics Inc | Plural axis linear motor structure |
US3982165A (en) * | 1974-09-10 | 1976-09-21 | The Gerber Scientific Instrument Company | Apparatus for digitizing and plotting |
US4422027A (en) * | 1981-03-16 | 1983-12-20 | The United States Of America As Represented By The Secretary Of The Army | Linear motor controller |
CA2042044C (fr) | 1989-10-03 | 1996-08-13 | Kaoru Kimura | Manipulateur a moteur a impulsions plan |
US5126648A (en) | 1990-03-22 | 1992-06-30 | Megamation Incorporated | High resolution piggyback linear motor design for placement systems and the like |
DE9407399U1 (de) | 1994-05-04 | 1994-09-22 | Chern Der Luh | Anreißvorrichtung für Bohrmarkierungen auf einem Formenrohling |
JPH08230393A (ja) | 1995-02-28 | 1996-09-10 | Ando Electric Co Ltd | Cad装置つきマーキング装置 |
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1999
- 1999-03-31 CA CA002268299A patent/CA2268299A1/fr not_active Abandoned
- 1999-04-07 JP JP11100368A patent/JPH11320458A/ja not_active Withdrawn
- 1999-04-07 US US09/287,629 patent/US6188148B1/en not_active Expired - Fee Related
- 1999-04-08 BR BR9904676-8A patent/BR9904676A/pt active Search and Examination
- 1999-04-09 EP EP99420091A patent/EP0949047B1/fr not_active Expired - Lifetime
- 1999-04-09 AT AT99420091T patent/ATE232153T1/de not_active IP Right Cessation
- 1999-04-09 ES ES99420091T patent/ES2188118T3/es not_active Expired - Lifetime
- 1999-04-09 DE DE69905210T patent/DE69905210T2/de not_active Expired - Fee Related
- 1999-04-09 DK DK99420091T patent/DK0949047T3/da active
Also Published As
Publication number | Publication date |
---|---|
DE69905210T2 (de) | 2003-07-10 |
JPH11320458A (ja) | 1999-11-24 |
US6188148B1 (en) | 2001-02-13 |
DK0949047T3 (da) | 2003-02-24 |
ATE232153T1 (de) | 2003-02-15 |
EP0949047A1 (fr) | 1999-10-13 |
CA2268299A1 (fr) | 1999-10-10 |
DE69905210D1 (de) | 2003-03-13 |
ES2188118T3 (es) | 2003-06-16 |
BR9904676A (pt) | 2000-09-12 |
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