DE3233428C1 - Feed and removal device, especially on presses - Google Patents
Feed and removal device, especially on pressesInfo
- Publication number
- DE3233428C1 DE3233428C1 DE19823233428 DE3233428A DE3233428C1 DE 3233428 C1 DE3233428 C1 DE 3233428C1 DE 19823233428 DE19823233428 DE 19823233428 DE 3233428 A DE3233428 A DE 3233428A DE 3233428 C1 DE3233428 C1 DE 3233428C1
- Authority
- DE
- Germany
- Prior art keywords
- carriage
- deflection roller
- motor
- fixed point
- support column
- 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
Links
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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/56—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism
- B23Q1/60—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism
- B23Q1/62—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism with perpendicular axes, e.g. cross-slides
- B23Q1/621—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism with perpendicular axes, e.g. cross-slides a single sliding pair followed perpendicularly by a single sliding pair
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
- B21D43/105—Manipulators, i.e. mechanical arms carrying a gripper element having several degrees of freedom
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
- B65G47/912—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers provided with drive systems with rectilinear movements only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
- F16H19/06—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising flexible members, e.g. an endless flexible member
- F16H2019/069—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising flexible members, e.g. an endless flexible member with means for generating two superposed movements, e.g. for driving a X-Y table
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Reciprocating Conveyors (AREA)
Abstract
Description
Die vorliegende Erfindung bezieht sich auf eine Beschickungs- und Entnahmevorrichtung, insbesondere an Pressen, bestehend aus einem in einem horizontal verfahrbaren Schlitten höhenverschiebbaren Werkzeugträger. The present invention relates to a loading and unloading device, in particular on presses, consisting of a tool carrier that can be adjusted in height in a horizontally movable slide.
Für die Höhenverschiebbarkeit bzw. Hubbewegung des Werkzeugträgers waren bisher Keilwellen, Kugel-Rollspindeln oder auf dem Schlitten mitlaufende Antriebsmotoren vorgesehen. Bei großen Vorschubschritten (4 m und mehr) ist ein Antrieb mit Keilwelle bzw. Kugelrollspindel wegen des Durchhängens derselben nicht mehr möglich. Der mit dem Schlitten umlaufende Motor bedingt lange Kabel, und es ergeben sich erhebliche Massenbeschleunigungen durch die hohe Fahrgeschwindigkeit.Up to now, spline shafts and ball screw spindles were used for the vertical displacement or lifting movement of the tool carrier or drive motors running along on the slide are provided. With large feed steps (4 m and more) is a drive with a splined shaft or ball screw because it sags not possible anymore. The motor rotating with the slide requires long cables, and it surrenders significant mass accelerations due to the high driving speed.
Von daher liegt der Erfindung die Aufgabe zugrunde, eine neue Antriebsmöglichkeit für die Hubbewegung des Werkzeugträgers zu schaffen. Die Aufgabe wird durch die im Anspruch 1 angegebene Erfindung gelöst.The invention is therefore based on the object of providing a new drive option for the lifting movement to create the tool carrier. The object is achieved by the invention specified in claim 1.
Eine besonders bevorzugte Ausgestaltung und Anordnung des Getriebes ist im Unteranspruch beschrie- ben.A particularly preferred configuration and arrangement of the transmission is described in the dependent claim. ben.
Der wesentliche Vorteil der erfindungsgemäßen Vorrichtung ist darin zu sehen, daß insbesonders lange Fahrwege mit einfachsten Antriebsmitteln überwunden werden können. Ein Durchhängen des Zugmittels bedingt keine Schwierigkeiten und durch die stationäre Anordnung des Motors ergibt sich eine wesentliche Entlastung des Schlittens.The main advantage of the device according to the invention is that it is particularly long Driveways can be overcome with the simplest drive means. A sagging of the traction mechanism caused no difficulties and the stationary arrangement of the engine results in an essential one Relief of the slide.
Die Erfindung wird anhand einer Zeichnung, die z. T. schematisch ein beliebiges Ausführungsbeispiel darstellt, näher erläutert. Es zeigtThe invention is based on a drawing which, for. T. schematically represents any embodiment, explained in more detail. It shows
F i g. 1 eine Seitenansicht der erfindungsgemäßen Vorrichtung beim Entnehmen eines Preßteils aus der Presse undF i g. 1 shows a side view of the device according to the invention when removing a pressed part from FIG Press and
F i g. 2 eine gleiche Ansicht während der Ablage des Preßteils vor der Presse.F i g. 2 shows the same view during the deposition of the pressed part in front of the press.
In der Zeichnung ist eine Presse 1 nur schematisch dargestellt. Gemäß F i g. 1 wird ein Preßteil 13 vom Unterwerkzeug 14 mittels eines Werkstückträgers 12 abgehoben. Dieser Werkstückträger 12 ist an einer Tragsäule 11 befestigt, ^die in einem Schlitten 10 höhenverschiebbar gelagert ist. Der Schlitten 10 selbst ist über einen Motor 15 und Zahnriemen 16 in Pfeilrichtung 17 verfahrbar.In the drawing, a press 1 is shown only schematically. According to FIG. 1 is a pressed part 13 from Lower tool 14 is lifted off by means of a workpiece carrier 12. This workpiece carrier 12 is on a Support column 11 attached, ^ which is mounted in a slide 10 so that it can be adjusted in height. The carriage 10 itself can be moved in the direction of arrow 17 via a motor 15 and toothed belt 16.
Zur Höhenverschiebbarkeit dient ein weiterer Zahnriemen 18, der mit einer Antriebsscheibe 5 eines Motors 19 in Verbindung steht. Der Zahnriemen 18 ist in Festpunkten 20 und 9 an der Schlittenführung 21 angelenkt.Another toothed belt 18, which is connected to a drive pulley 5 of a motor, is used to adjust the height 19 communicates. The toothed belt 18 is at fixed points 20 and 9 on the slide guide 21 hinged.
Der Antrieb zur Hubbewegung der Tragsäule 11 erfolgt ausgehend vom Festpunkt 20 über eine erste Umlenkrolle 2 am Schlitten 10, über eine zweite Umlenkrolle 3 an der Tragsäule 11, über eine dritte Umlenkrolle 4 am Schlitten 10, über die Antriebszahnscheibe 5 des Getriebemotors 19, über eine vierte Umlenkrolle 6 am Schlitten 10, über eine obere fünfte Umlenkrolle 7 an der Tragsäule 11 und über eine sechste Umlenkrolle 8 am Schlitten 10, von wo der Zahnriemen 18 dann bis zum zweiten Festpunkt 9 geführt ist.The drive for the lifting movement of the support column 11 takes place starting from the fixed point 20 via a first one Deflection roller 2 on the carriage 10, via a second deflection roller 3 on the support column 11, via a third Deflection roller 4 on the carriage 10, via the toothed drive disk 5 of the geared motor 19, via a fourth Deflection roller 6 on the carriage 10, via an upper fifth deflection roller 7 on the support column 11 and via a sixth Deflection roller 8 on the carriage 10, from where the toothed belt 18 is then guided to the second fixed point 9.
Dreht sich die Antriebsscheibe 5 in Pfeilrichtung 22, so verkürzt sich die von den drei Umlenkrollen 2,3 und 4 gebildete Riemenschleife des gezogenen Riementrums und verlängert sich die von den drei Umlenkrollen 6, 7 und 8 gebildete Riemenschleife des losen Riementrums. Dadurch wird die Tragsäule 11 in Richtung des losen Riementrums bewegt und damit der Werkstückträger 12 angehoben. Nach Beendigung des Hubes wird dann der Schlitten 10 auf der Führung 21 in Pfeilrichtung 23 bis in die strichpunktiert dargestellte Stellung verfahren.If the drive pulley 5 rotates in the direction of arrow 22, then that of the three pulleys 2, 3 and 3 is shortened 4 belt loop of the drawn belt span and that of the three deflection pulleys is lengthened 6, 7 and 8 formed belt loop of the loose belt span. This makes the support column 11 in Moved in the direction of the loose belt span and thus the workpiece carrier 12 is raised. After the The carriage 10 is then lifted on the guide 21 in the direction of arrow 23 up to the one shown in dash-dotted lines Move position.
Anschließend erfolgt ein Absenken des Werkstückträgers 11 durch entsprechende Umsteuerung des Motors 19, bis, wie aus F i g. 2 ersichtlich ist, das Preßteil beispielsweise auf eine Teileablage 24 abgelegt werden kann.The workpiece carrier 11 is then lowered by correspondingly reversing the Motor 19 to, as shown in FIG. 2 it can be seen that the pressed part can be placed on a parts tray 24, for example can.
Der Zahnriemen 18 wird durch Spannschrauben 25 und 26 an den Festpunkten 20 und 9 mit der größeren aus der Beschleunigung der Tragsäulen 11 entsprechenden Riemen-Zugkraft vorgespannt. Dadurch erfolgt eine spielarme Übertragung der Drehbewegung des Antriebsmotors 19 in eine oszillierende Linearbewegung der Tragsäule 11.The toothed belt 18 is by tensioning screws 25 and 26 at the fixed points 20 and 9 with the larger biased from the acceleration of the support columns 11 corresponding belt tensile force. This takes place a low backlash transmission of the rotary movement of the drive motor 19 into an oscillating linear movement the support column 11.
Hierzu 2 Blatt ZeichnungenFor this purpose 2 sheets of drawings
- Leerseite -- blank page -
Claims (2)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823233428 DE3233428C1 (en) | 1982-09-09 | 1982-09-09 | Feed and removal device, especially on presses |
FR8314015A FR2532886B1 (en) | 1982-09-09 | 1983-08-31 | FEEDING AND REMOVING DEVICE, PARTICULARLY FOR PRESSES |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823233428 DE3233428C1 (en) | 1982-09-09 | 1982-09-09 | Feed and removal device, especially on presses |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3233428C1 true DE3233428C1 (en) | 1993-04-29 |
Family
ID=6172782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19823233428 Expired - Lifetime DE3233428C1 (en) | 1982-09-09 | 1982-09-09 | Feed and removal device, especially on presses |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE3233428C1 (en) |
FR (1) | FR2532886B1 (en) |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0158784A1 (en) * | 1984-03-20 | 1985-10-23 | Preh Industrieausrüstungen GmbH | X-Y coordinates positioning device |
EP0180050A1 (en) * | 1984-10-05 | 1986-05-07 | Wilfried Strothmann | Driving device for work-holding fixtures of machining units |
FR2587927A1 (en) * | 1985-09-27 | 1987-04-03 | Telemecanique Electrique | Transmission system for bringing an active head to face any point of a work surface |
FR2686592A1 (en) * | 1992-01-28 | 1993-07-30 | Mannesmann Ag | APPARATUS FOR SERVING SHELVING. |
DE4337580A1 (en) * | 1993-11-04 | 1995-05-11 | Raziol Umformtechnik Gmbh | Inserting and removal feeders for pressing lines |
EP0671228A2 (en) * | 1994-03-12 | 1995-09-13 | Maschinenfabrik Müller-Weingarten Ag | Transporting equipment for work pieces in a press |
DE4408447A1 (en) * | 1994-03-12 | 1995-09-14 | Mueller Weingarten Maschf | Transport system |
EP0693334A1 (en) | 1994-06-16 | 1996-01-24 | Maschinenfabrik Müller-Weingarten Ag | Transport system |
DE19716039A1 (en) * | 1997-04-17 | 1998-10-22 | Gmg Automation Gmbh & Co | Device for transferring plate-like parts from a first position to a second position |
EP0876862A1 (en) * | 1997-04-30 | 1998-11-11 | FAGOR, S.Coop | A workpiece feeder for a press, with an integrated feed mechanism |
EP0930110A2 (en) * | 1998-01-19 | 1999-07-21 | Müller Weingarten AG | Conveying device |
EP0947625A1 (en) | 1998-03-31 | 1999-10-06 | Siemens Aktiengesellschaft | Process and apparatus for controlling and optimizing the process of chemical recovery during cellulose production |
DE19920183A1 (en) * | 1999-05-03 | 2000-11-09 | Krupp Drauz Ingenieurbetrieb G | Transport device for bodyshell welding device |
DE10065575A1 (en) * | 2000-12-28 | 2002-07-04 | Krupp Drauz Ingenieurbetr Gmbh | Transporting devices for vehicle welded bodywork groups has fixed diagonal transporting device between each overhead transporting track |
DE10195260B4 (en) * | 2000-12-08 | 2005-06-16 | Blechformwerke Bernsbach Ag | Workpiece conveyor and transfer system for large press installations has linear feeders and transfer tools with beams mounted on cantilever supports |
WO2005075123A1 (en) * | 2004-02-07 | 2005-08-18 | Müller Weingarten AG | Device for transporting work pieces through pressing systems |
CN115231306A (en) * | 2022-09-19 | 2022-10-25 | 常州皓之鼎高分子材料有限公司 | Feeding process and device for environment-friendly anti-static foam cutting machine |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1922714A1 (en) * | 1968-01-02 | 1971-02-11 | Ibm | Program-controlled fluid-operated positioning device for workpieces |
DE2534820A1 (en) * | 1974-04-09 | 1977-02-24 | Schuler Gmbh L | Press line workpiece transporter mechanism - has universally operated grab jaws on slide between work stations |
DE2048563B2 (en) * | 1969-10-03 | 1980-05-29 | Commissariat A L'energie Atomique, Paris | Teleoperator |
DE3016313A1 (en) * | 1979-05-18 | 1980-11-27 | Fortschritt Veb K | Drive installation for adjustment unit - is for opening or closing flat slider to move solid agricultural produce with strap chain linked to push rod guided over reversing rollers |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1163028A (en) * | 1967-05-01 | 1969-09-04 | British Hovercraft Corp Ltd | Improvements in or relating to Load Handling Systems |
FR2360485A1 (en) * | 1976-08-06 | 1978-03-03 | Telecommunications Sa | ADVANCED AT AUTOMATOES |
-
1982
- 1982-09-09 DE DE19823233428 patent/DE3233428C1/en not_active Expired - Lifetime
-
1983
- 1983-08-31 FR FR8314015A patent/FR2532886B1/en not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1922714A1 (en) * | 1968-01-02 | 1971-02-11 | Ibm | Program-controlled fluid-operated positioning device for workpieces |
DE2048563B2 (en) * | 1969-10-03 | 1980-05-29 | Commissariat A L'energie Atomique, Paris | Teleoperator |
DE2534820A1 (en) * | 1974-04-09 | 1977-02-24 | Schuler Gmbh L | Press line workpiece transporter mechanism - has universally operated grab jaws on slide between work stations |
DE3016313A1 (en) * | 1979-05-18 | 1980-11-27 | Fortschritt Veb K | Drive installation for adjustment unit - is for opening or closing flat slider to move solid agricultural produce with strap chain linked to push rod guided over reversing rollers |
Non-Patent Citations (1)
Title |
---|
IBM, Techn.Discl.,Bull.,Vol.14, Nr.8, Jan.72, S.2375-78 * |
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0158784A1 (en) * | 1984-03-20 | 1985-10-23 | Preh Industrieausrüstungen GmbH | X-Y coordinates positioning device |
EP0180050A1 (en) * | 1984-10-05 | 1986-05-07 | Wilfried Strothmann | Driving device for work-holding fixtures of machining units |
FR2587927A1 (en) * | 1985-09-27 | 1987-04-03 | Telemecanique Electrique | Transmission system for bringing an active head to face any point of a work surface |
FR2686592A1 (en) * | 1992-01-28 | 1993-07-30 | Mannesmann Ag | APPARATUS FOR SERVING SHELVING. |
DE4337580A1 (en) * | 1993-11-04 | 1995-05-11 | Raziol Umformtechnik Gmbh | Inserting and removal feeders for pressing lines |
DE4408447A1 (en) * | 1994-03-12 | 1995-09-14 | Mueller Weingarten Maschf | Transport system |
EP0671228A3 (en) * | 1994-03-12 | 1995-09-27 | Mueller Weingarten Maschf | |
EP0671228A2 (en) * | 1994-03-12 | 1995-09-13 | Maschinenfabrik Müller-Weingarten Ag | Transporting equipment for work pieces in a press |
EP0693334A1 (en) | 1994-06-16 | 1996-01-24 | Maschinenfabrik Müller-Weingarten Ag | Transport system |
EP0693334B1 (en) * | 1994-06-16 | 1999-11-10 | Müller Weingarten AG | Transport system |
DE19716039C2 (en) * | 1997-04-17 | 2001-03-08 | Schuler Automation Gmbh & Co | Device for transferring plate-like parts from a first position to a second position |
DE19716039A1 (en) * | 1997-04-17 | 1998-10-22 | Gmg Automation Gmbh & Co | Device for transferring plate-like parts from a first position to a second position |
EP0876862A1 (en) * | 1997-04-30 | 1998-11-11 | FAGOR, S.Coop | A workpiece feeder for a press, with an integrated feed mechanism |
EP0930110A2 (en) * | 1998-01-19 | 1999-07-21 | Müller Weingarten AG | Conveying device |
EP0930110A3 (en) * | 1998-01-19 | 2000-07-12 | Müller Weingarten AG | Conveying device |
EP0947625A1 (en) | 1998-03-31 | 1999-10-06 | Siemens Aktiengesellschaft | Process and apparatus for controlling and optimizing the process of chemical recovery during cellulose production |
DE19920183A1 (en) * | 1999-05-03 | 2000-11-09 | Krupp Drauz Ingenieurbetrieb G | Transport device for bodyshell welding device |
DE19920183B4 (en) * | 1999-05-03 | 2005-05-12 | Thyssenkrupp Drauz Gmbh | Transport device for Rohbauschweißvorrichtungen |
DE10195260B4 (en) * | 2000-12-08 | 2005-06-16 | Blechformwerke Bernsbach Ag | Workpiece conveyor and transfer system for large press installations has linear feeders and transfer tools with beams mounted on cantilever supports |
DE10065575A1 (en) * | 2000-12-28 | 2002-07-04 | Krupp Drauz Ingenieurbetr Gmbh | Transporting devices for vehicle welded bodywork groups has fixed diagonal transporting device between each overhead transporting track |
DE10065575B4 (en) * | 2000-12-28 | 2004-12-16 | Thyssenkrupp Drauz Gmbh | Transport devices for motor vehicle body welding assemblies |
WO2005075123A1 (en) * | 2004-02-07 | 2005-08-18 | Müller Weingarten AG | Device for transporting work pieces through pressing systems |
CN100408221C (en) * | 2004-02-07 | 2008-08-06 | 米勒魏因加滕股份公司 | Device for transporting work pieces through pressing systems |
CN115231306A (en) * | 2022-09-19 | 2022-10-25 | 常州皓之鼎高分子材料有限公司 | Feeding process and device for environment-friendly anti-static foam cutting machine |
Also Published As
Publication number | Publication date |
---|---|
FR2532886B1 (en) | 1987-02-27 |
FR2532886A1 (en) | 1984-03-16 |
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8100 | Publication of the examined application without publication of unexamined application | ||
D1 | Grant (no unexamined application published) patent law 81 | ||
8363 | Opposition against the patent | ||
8339 | Ceased/non-payment of the annual fee | ||
8370 | Indication of lapse of patent is to be deleted | ||
8366 | Restricted maintained after opposition proceedings | ||
8305 | Restricted maintenance of patent after opposition | ||
D3 | Patent maintained restricted (no unexamined application published) |