| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 269021000 |
Vacuum-type holding means
| 77 |
| 269027000 |
Cylinder-piston means in series with additional positioning means
| 42 |
| 269025000 |
Cylinder-piston means directly moves jaw(s)
| 22 |
| 269022000 |
With movable diaphragm
| 10 |
| 269035000 |
With guide means | 4 |
| 20090026678 | ALIGNMENT PRECISION ENHANCEMENT OF ELECTRONIC COMPONENT PROCESS ON FLEXIBLE SUBSTRATE DEVICE AND METHOD THEREOF THE SAME - Alignment precision enhancement of electronic component process on flexible substrate device and method thereof the same is proposed. The process step of a flexible substrate is put on a substrate holder, wherein the flexible substrate is fixed by a polymer tape. A plural of alignment marks is making for lithography process. An unstressed cut is separated the flexible substrate and substrate holder when the electronic component is made. | 01-29-2009 |
| 20100181712 | METHOD FOR THE SUPPORT OF A ROTATING WORKPIECE DURING GRINDING AND A HYDRODYNAMIC STEADY REST - In a method for the hydrodynamic support and centering of a rotating workpiece during grinding and a steady rest usable for this purpose the bearing to be supported is impinged upon by a contact pressure which changes in accordance with rotational speed from a minimum pressure when the shaft is started from a standstill, to a maximum value during the processing rotational speed. The steady rest has an opening of a transversebore in a central bore receiving a supply line by which a lubricant can be supplied as hydraulic fluid to the bearing. The method is particularly suitable for the processing of camshafts and crankshafts. | 07-22-2010 |
| 20100244345 | HOLDING JIG, MEASUREMENT DEVICE AND HOLDING DEVICE USING THE SAME - A holding jig includes, in a case where a tilt angle with respect to a plane as a holding surface of a holding target is defined as a holding tilt angle: a first holding portion having a holding tilt face with the holding tilt angle; a second holding portion connected to the first holding portion so as to slide toward the holding tilt face along a plane substantially parallel to the holding surface; and an elastic holding portion provided at a position of the second holding portion facing the holding tilt face and elastically deformed toward the holding surface by the holding tilt face while abutting on the holding tilt face, when the second holding portion slides toward the holding tilt face, to press and hold the holding target. | 09-30-2010 |
| 20130161889 | ANVIL FOR ULTRASONIC MACHINING - An anvil for ultrasonic machining includes an air-supported support part which is floatingly supported via an air bearing at a carrier part, wherein the support part and the carrier part are connected to one another via at least one linear guide. | 06-27-2013 |
| 269024000 |
Plural positioning means sequentially operated | 2 |
| 20100052233 | DOUBLE ACTING WORK SUPPORT WITH INTERNAL SEQUENCE CONTROL - A work support comprises a plunger, a transmission member, a first chamber, a second chamber, a third chamber, a clamping mechanism, a plug, and a body. The plunger may be slidably retained within the clamping mechanism, which in turn is firmly held within the transmission member. The transmission member may extend and retract from the body corresponding to a pressure in the first chamber and the second chamber. Extension of the transmission member also extends the plunger such that the plunger may contact and receive a load from a work piece. The third chamber may be located between the outer surface of the clamping mechanism and the inner surface of the transmission member. Increasing pressure in the first chamber while decreasing pressure in the second chamber extends the transmission member and opens the plug which blocks the entry to the third chamber. Pressure in the third chamber closes the gap between the clamping mechanism and the plunger and applies a clamping force to the plunger. | 03-04-2010 |
| 20150145193 | OBJECT FASTENING DEVICE FOR FASTENING OBJECT TO RECEIVING PART, MACHINE TOOL, ROBOT, AND METHOD OF FASTENING OBJECT TO RECEIVING PART - An object fastening device which can prevent foreign matter from ending up damaging an object when confirming the object is properly seated, which object fastening device is provided with a receiving part, a pushing part which pushes the object against the receiving part, a first drive part which makes the pushing part generate a first force, a second drive part which is provided separate from the first drive part and makes the pushing part generate a second force which is smaller than the first force, and a foreign matter detecting part which detects foreign matter which is interposed between the object and receiving part while the second drive part is being used to cause the pushing part to push the object against the receiving part. | 05-28-2015 |
| 269023000 |
With safety means | 2 |
| 20130241129 | SAFETY CLAMPING DEVICE - The invention concerns a safety clamping system for the fastening of workpieces on machine tools, wherein, in addition to one clamping mechanism known from the state of the art, at least one positioning mechanism is also provided, which can pre-position the workpiece roughly before the affixing and move it into the final affixing position and, at the same time, can facilitate the monitoring for an undesired detachment of the workpiece. | 09-19-2013 |
| 20140167341 | CLAMPING DEVICE - A clamping device comprises a driving cylinder, a buffering assembly, a first clamping member, and a second clamping member. The first clamping member and the second clamping member are mounted to the driving cylinder. The buffering assembly comprises a fixing member, a guiding rail, a guiding rod, and an elastic member. The fixing member comprises a first mounting portion and a second mounting portion. The first mounting portion defines a through hole. The guiding rail is mounted to the fixing member and located between the first mounting portion and the second mounting portion. The driving cylinder is mounted to the guiding rail. A first end of the guiding rod is movably received through the through hole, and a second end of the guiding rod is fixed to the driving cylinder. Opposite ends of the elastic member resist against the first mounting portion and the driving cylinder, respectively. | 06-19-2014 |
| Entries |
| Document | Title | Date |
|---|
| 20080315476 | Combinable positioning table - A combinable positioning table constructed from an assembly and a cradle. The assembly comprises means for rotating the cradle which includes attachable elements that can be rotated about first axis and capable of being attached to the sides of the cradle for rotating the cradle, wherein the cradle includes means for attaching to the attachable elements of the assembly and where in said cradle has a work holder and means for rotating the work holder in an axis of rotation perpendicular to the first axis of rotation and wherein said cradle can be separated from the assembly so that the separated assembly and separated cradle can operate as independent positioning tables. | 12-25-2008 |
| 20090096145 | Machining fixture with self-contained hydraulics - A new arrangement for machining parts is disclosed. The parts to be machined are mounted on fixture plates on a fixture. Using a stationary hydraulic line, hydraulic equipment is then pressurized by a pump within the fixture. The pump is mechanically powered by a separate (and disconnectable) power source. A rotatable coupling is attached to the pump. It receives a spindle from a CNC machine, enabling the machine to activate the pump by rotating the spindle while the spindle is received in the coupling. The coupling has axially extending prongs that form slots that accommodates the spindle. The prongs have ends that taper inwardly toward the slots. The spindle is also used to actuate a pressure release valve. The fixture also has at least four angled work faces and an access face that separates two of those faces. In operation, parts are first mounted on the fixture plates. The fixture is then moved to a work area, where the spindle actuates the pump, pressuring clamps that lock the parts in position. The parts are then machined, and the spindle then actuates the pressure release valve to release the pressure in the clamps. The fixture is then moved out of the work area, and the parts are removed. The process is then repeated for the next batch of parts. | 04-16-2009 |
| 20100025904 | CLAMP - [Problems] To provide a clamp which can enhance machining precision of a work by suppressing generation of chatter vibration when the work is machined by means of a machine tool. | 02-04-2010 |
| 20100194011 | MATERIAL SHEET HANDLING SYSTEM AND PROCESSING METHODS - Methods and apparatus provide for delivering a controlled supply of gas to at least one aero-mechanical device to impart a gas flow to suspend a material sheet; preventing lateral movement of the material sheet in at least one direction when suspended; and imparting a stream of water, from a side of the material sheet opposite the at least one aero-mechanical device, to dice the material sheet when suspended. | 08-05-2010 |
| 20100258993 | METHOD AND DEVICE FOR RESTRAINING MOVEMENT OF CONTINUOUSLY TRAVELING GLASS SHEET - A sheet restrainer is used to restrain movement of continuously traveling glass sheet and includes arms on either side of the glass sheet. A driving device coupled to the arms moves the arms from a retracted position in which the arms are withdrawn from the glass sheet to an engaged position in which the arms are near the glass sheet and in alignment with each other. Rollers are connected to the arms and contact the glass sheet in the engaged position. A damping device applies an adjustable damping force to at least one of the arms dampening movement of the arm in the engaged position thereby restraining movement of the sheet. In a method of operation, the damping devices restrain angular and/or lateral movement of the sheet by transmitting movement of the sheet against the rollers into a resistive damping force of the damping devices. | 10-14-2010 |
| 20110042874 | OBJECT PROCESSING APPARATUS, EXPOSURE APPARATUS AND EXPOSURE METHOD, AND DEVICE MANUFACTURING METHOD - A plurality of air levitation units that jet air to the lower surface of a substrate are placed below the substrate, and the substrate is supported in a noncontact manner so as to be substantially horizontal. Further, a portion subject to exposure of the substrate is held by a fixed-point stage from below in a noncontact manner, and the surface position of the portion subject to exposure is adjusted in a pinpoint manner. Accordingly, exposure can be performed on the substrate with high precision, and a configuration of a substrate stage device can be simplified. | 02-24-2011 |
| 20110049778 | FLEXIBLE FIXTURE SYSTEM FOR MACHINING OPERATIONS - A flexible fixture system for a CNC machine is coupled to a base fixture. The flexible fixture includes quick connects that connect with the base fixture in order to allow hydraulic fluid, air, and water to be communicated from the base fixture to the flexible fixture system. The flexible fixture system includes features operable to hold a workpiece within the CNC machine. The flexible fixture system is modular and may be swapped out for a different flexible fixture in order to allow other operations to be performed on the workpiece. | 03-03-2011 |
| 20110180982 | RECEIVING UNIT FOR TOOLS OR WORKPIECES AS WELL AS A SPINDLE ARRANGEMENT FOR TOOLS OR WORKPIECES - In order to improve a receiving unit for tools or workpieces, comprising a receiving member ( | 07-28-2011 |
| 20110204552 | CLAMPING DEVICE AND BASE MODULE THEREFOR - A universal tensioning apparatus for a work piece to be tensioned, having a housing with a pressure chamber filled with a pressure medium and a covering sealing the housing and the pressure chamber. In the area of the housing a pressure introduction element is located for exerting pressure on the pressure medium and a pressure transferring element for transferring the pressure of the pressure medium onto a tensioning element to be tensioned. The pressure medium is an elastic solid and the pressure is adjustable and controllable by a pressure sensor. The pressure medium is preferably a one-piece silicon substance by which a pressure introduced radially relative to the longitudinal axis of the apparatus is transferred by the pressure-transferring element axially onto the tensioning element. | 08-25-2011 |
| 20110221113 | APPARATUS AND METHOD FOR PROCESSING A STENT - An apparatus for processing a medical stent that includes a holding device for holding a stent and a processing device for processing the stent held by the holding device that includes a first chamber for a fluid medium adapted to exert pressure around the stent. The first chamber for the fluid medium at least partially surrounds or encompasses the stent in the holding device that may include a housing which substantially encloses the first chamber for the fluid medium. A method of processing a medical stent is described. The method may include holding a stent with a holding device, and processing the stent with a processing device while holding the stent with the holding device. Holding the stent may include pressurizing a first chamber for a fluid medium to exert pressure around the stent. A method of producing or manufacturing a stent according to this method is described. | 09-15-2011 |
| 20110233837 | Inflatable Dorn - A mandrel for producing a fibre-reinforced composite part, in particular a blade for a wind turbine is disclosed. The mandrel includes an expandable body with an outer surface onto which a fibre material of the fibre-reinforced composite part is layable out. The expandable body is expandable in an expanded state, wherein in the expanded state the outer surface forms an interior shape of the fibre-reinforced composite part to be produced. Moreover, the expandable body is collapsible in a collapsed state. | 09-29-2011 |
| 20120098180 | CLAMP DEVICE - A clamp device has a gripping member which is expandable and contractible and is inserted into an aperture in a workpiece and grips the aperture, a clamp rod including a tapered shaft portion that fits into the gripping member, and a drive means for driving the clamp rod forwards and backwards. Provided is a support mechanism that supports the gripping member by fluid pressure when the gripping member is radially expanded, and a fluid pressure release means that releases the fluid pressure of the support mechanism after radial expansion of the gripping member when the clamp rod is driven by the drive means to perform clamping. The support mechanism has an annular pressure reception member that supports the gripping member, and a supporting fluid chamber that causes fluid pressure in the direction opposite to the clamping direction to be received on the annular pressure reception member. | 04-26-2012 |
| 20120292843 | CLAMPING APPARATUS - An annular piston is vertically movable and rotatable. A guide groove is provided in an outer peripheral portion of the annular piston, and an engaging ball to be fitted into the guide groove is provided on an inner peripheral wall of a cylinder hole. A transmission mechanism prevents the clamp rod and the annular piston from rotating relatively to each other and permits them to move relatively to each other in a vertical direction. When the clamp rod is moved from a released raised position to a locked lowered position, the annular piston descends while rotating via a rotational groove and the engaging ball, and the annular piston causes the clamp rod to rotate, causing the clamp rod to descend straight down. | 11-22-2012 |
| 20130127102 | METHOD AND DEVICE FOR PROCESSING WAFER SHAPED ARTICLES - A method and device for treating a wafer-shaped article utilizes a novel clamping mechanism, which permits wafer shift to be performed with reduced wear to the chuck pins. A wafer is rotated on a spin chuck that has a plurality of pins positioned at a periphery of the wafer shaped article. The pins each have a head portion which, in a service position, extends radially inwardly of and above the wafer. Gas is supplied onto a surface of the wafer facing the spin chuck at a flow rate sufficient to displace the wafer upwardly into contact with the head portions of the pins. This serves to clamp the wafer against the head portions of the pins. However, the pins contact the wafer only on upwardly oriented wafer surfaces and the wafer is supported from below solely by the gas flow. | 05-23-2013 |
| 20130175749 | COMPOSITE FABRICATION VENT ASSEMBLY AND METHOD - A composite fabrication vent assembly for connection to an inflatable bladder, the combination of a vent assembly and an inflatable bladder, and a method of mechanically connecting a vent assembly and a bladder. The vent assembly comprises a body member having a first clamping surface, a clamping member having a second clamping surface, and a carriage member interconnecting the body member and the clamping member, with the first and second clamping surfaces in opposing relationship. With the open end of an inflatable bladder inserted between the opposed clamping surfaces, the carriage member is adapted to translate the body member and clamping member toward one another to form an airtight seal with the inflatable bladder. A controlled source of pressurized gas, connected to a gas inlet of the vent assembly, can then inflate and deflate the bladder in a controlled manner through one or more passageways in the vent assembly. | 07-11-2013 |
| 20130181386 | PNEUMATIC COUPLING MODULE, IN PARTICULAR FOR A ZERO-POINT CLAMPING SYSTEM FOR A MACHINE TOOL - The invention relates to a pneumatic coupling module, in particular for a zero-point clamping system, with a least one pneumatically operable coupling device, to which the pneumatic medium can be fed via a supply channel and which is constructed in such a manner that the coupling device occupies a release position in its pressurized state and a locked position in its non-pressurized state, wherein the coupling module comprises an interface area for coupling another pneumatic coupling module or a pneumatically operable working module. According to the invention, a directional valve is provided in the supply channel, comprising a first port, which is connected to a first part of the supply channel, which feeds the pneumatic medium, a second port, which is connected to a second part of the supply channel, which leads from the directional valve to the coupling device, and a third port, which is connected to a supply coupling channel, the at least one outlet opening of which is arranged in the interface area in such a manner that the outlet opening can be coupled in a substantially sealed manner to at least one inlet opening of a supply channel or a manifold supply channel of an additional pneumatic coupling module or pneumatically operated working device, wherein the directional valve connects the first and the second ports in a first switching position (“INTERNAL”) in such a manner that the first and second parts of the supply channel are connected and the coupling device is controlled to assume its release position and wherein the directional valve disconnects the first port from the third port in the first switching position, whereby no pneumatic medium can be fed to the supply coupling channel, and wherein the directional valve disconnects the second port from the first port in a second switching position (“EXTERNAL”) and connects the first and third ports in such a manner that the first part of the supply channel is connected to the supply coupling channel and pneumatic medium can be fed to the supply coupling channel and that no pneumatic medium can be fed via the second part of the supply channel to the coupling device and it is controlled to assume the locked position. The invention further pertains to a modular clamping position consisting of such coupling modules. | 07-18-2013 |
| 20130228960 | CLAMPING DEVICE - Provided is a clamping device having improved safety and an improved clamping force for clamping a work to an attaching table, said work having the inner circumferential surface thereof to be processed. The clamping device clamps a work ( | 09-05-2013 |
| 20130234382 | CLAMPING SYSTEM - The invention concerns a clamping system for the clamping of workpieces, wherein clamping means can be moved by a small spacing relative to a stationary affixing block, so as to be able to clamp a workpiece independently of a fastening grid prespecified on a machine tool or to compensate for a distance change between clamping components located on the workpiece, so that a zero point previously defined on the workpiece again coincides after a renewed clamping with clamping components whose distances were changed. | 09-12-2013 |
| 20130334752 | MULTI-CHAMBER CARRIER HEAD WITH A TEXTURED MEMBRANE - A flexible membrane for use in a carrier head has a generally circular main portion with a lower surface, an annular outer portion for connection to a base assembly, and an annular flap extending from the main portion on a side opposite the lower surface for connection to the base assembly. At least one surface of the flap has a surface texture to prevent adhesion. | 12-19-2013 |
| 20140021667 | DOUBLE CLAMP VISE - The vise includes a seat body having two movable jaws separately with two inner threads, a fixed jaw and a rail. A screwing rod has a rear portion and a front portion whose diameter is less than the rear portion. A first outer thread is formed on the rear portion. A step is formed between the front portion and the rear portion. A screwing tube telescopically and unrotatably sheathes the front portion of the screwing rod and has a second outer thread. The two movable jaws are separately engaged with the screwing tube and screwing rod by screwing the outer threads and the inner threads. A spiral direction of the first outer thread is contrary to the second outer thread. A main spring is nipped between the screwing rod and screwing tube. A crank is axially connected to the front portion of the screwing rod for rotating the screwing rod. | 01-23-2014 |
| 20140048993 | SELECTIVE PLACEMENT OF COOLANT TO UNDERCUT AREAS - The described embodiment relates generally to the use of a specialized workpiece fixture to keep a workpiece surface covered with cutting fluid during a machining operation. More specifically the specialized workpiece fixture allows a downward facing undercut area to remain covered with coolant by utilizing nozzles arranged underneath the undercut area for coolant delivery. | 02-20-2014 |
| 20140232051 | CLAMPING DEVICE - In a clamping device, a detection mechanism detects a state of clamping/unclamping and includes: a detected body that moves together with a piston and a piston rod; a circuit board disposed to face the detected body and capable of detecting the position of the detected body; and an indicator lamp that is connected to the circuit board and is lit/extinguished depending on the state of clamping/unclamping. By pressing a setting button provided on the detection mechanism when the rotation angle of the arm is changed, the second detection position of the circuit board for detecting the unclamped state is changed, making it possible to detect the detected body at a newly set detection position. | 08-21-2014 |
| 20140265093 | WORKPIECE SUPPORT STRUCTURE WITH FOUR DEGREE OF FREEDOM AIR BEARING FOR HIGH VACUUM SYSTEMS - A workpiece adjustment assembly is disclosed. The assembly can include a shaft, a spherical bearing, and a wafer support. A spherical housing receives the spherical bearing and allows the bearing to rotate therein. The housing and bearing may form an air bearing. A seal may be formed in the housing to prevent gas from the air bearing and the ambient atmosphere from migrating to a process chamber side of the housing. A set of spherical air pads may be positioned on an ambient side of the bearing to press the bearing against the housing when the process chamber is not under vacuum conditions. The seal can include a set of differentially pumped grooves. The spherical bearing enables the wafer manipulation end, and a wafer attached thereto, to be moved with four degrees of freedom. The arrangement facilitates isocentric scanning of a workpiece. Methods for using the assembly are also disclosed. | 09-18-2014 |
| 20140346723 | Apparatus for Joining Pipe Sections - The present invention relates to a method and apparatus to be used when welding two abutting sections of pipe or tubing, and also to purge blocks for establishing a localized inert atmosphere inside two abutting pipe sections in the region of a desired weld joint. The present invention comprises an inflatable bladder with elongated engaging members that can be removable positioned within the ends of two abutting pipe sections in order to center the two abutting sections of pipe and create the purge block. | 11-27-2014 |
| 20150014908 | WORK PIECE CHUCK OF A MANIPULATOR - The present invention provides a work piece chuck of manipulator in the field of mechanical technology. The chuck comprises a chuck sleeve and an ejector pin set within the chuck sleeve. An elastic clamping element is provided at the front end of the chuck sleeve. The ejector pin could move between a first position and a second position along the axial direction of the chuck sleeve. When the ejector pin is in the first position, the outer circumference of the ejector pin extrudes the clamping element to distort and expand outward to form an expansion state. When the ejector pin is in the second position, the outer circumference of the ejector pin is out of contact with the clamping element to restore the clamping element. The chuck has a number of advantages including firm connection, high reliability and high use value. | 01-15-2015 |
| 20150115513 | PRECISION CLAMP - A clamp for selectively inhibiting movement of a first object relative to a second object includes (i) a first clamp component coupled to the first object; (ii) a second clamp component coupled to the second object; and (iii) a fluid source that directs a fluid to the second clamp component to create a fluid bearing between the first clamp component and the second clamp component that allows for movement of the first clamp component relative to the second clamp component, and wherein the fluid source directs less fluid to the second clamp component to inhibit relative movement. | 04-30-2015 |
| 20150314171 | SUPPORT CRADLE FOR BOWLING BALLS - The present invention relates to a support cradle ( | 11-05-2015 |
| 20160052096 | POSITIONING DEVICE - A positioning device capable of increasing the amount of diametrical expansion of an engagement member to be engaged in a cylindrical hole in a workpiece, and capable of performing positioning while not exerting any force on the workpiece in the downward direction positions a cylindrical hole (Ha) in a workpiece (W) in a first direction while permitting shifting thereof in a second direction, the device comprising: the insertion shaft member; a hydraulic cylinder for driving the insertion shaft member; a pair of engagement members; a taper engagement mechanism for shifting the engagement members to increase their diameter; and a movement permitting holding mechanism that, along with supporting the engagement members, so that they cannot shift in the first direction but are capable of shifting in the second direction. | 02-25-2016 |
| 20160129560 | CLAMPING JIG - A clamping jig for fixing a workpiece in position includes a base, a cover mounted on the base, a driving assembly and a clamping assembly. The cover has a top face for receiving the workpiece thereon. The driving assembly includes a diaphragm type pneumatic actuator fixed to the base and a linkage slideably received in the base for receiving a pushing force from the diaphragm type pneumatic actuator. The clamping assembly includes a plurality of clamping members each including a wedge slideably received in the base and an abutment extending upwardly from the wedge through the cover. Under action of the linkage to the wedges, the abutments are movable between a first position to engage with the workpiece to a second position to release their engagements from the workpiece. | 05-12-2016 |
| 20160375533 | Zero-Point Fixture - A zero-point fixture is a means for securing a component in place during machining. The fixture features a base plate that is placed onto a machining surface and a mounting plate to which the component may be attached. The mounting plate and the component are secured to the base plate by operatively engaging a plurality of retention knobs on the mounting plate into a plurality of pressurized clamps on the base plate. A plurality of mounting holes and a plurality of mounting channels allow the component to be mounted in a number of positions and orientations that may be reproduced for subsequent components to be machined. A plurality of risers serves to offset the component from the mounting plate while a plurality of elongated fasteners is inserted into the component to prevent movement of the component during machining. | 12-29-2016 |
| 20220134496 | DEVICE FOR STABILIZING A WORKPIECE IN A MACHINE TOOL - A device for stabilizing a workpiece, in particular a thin-walled workpiece mounted in a machine tool, comprises at least one base; and a plurality of stabilizing elements. The stabilizing elements protrude away from one surface of the base, wherein the stabilizing element comprises a cylinder and a rod arranged therein and the rod can be driven hydraulically to move in the axial direction of the stabilizing element such that the rod of at least two of the stabilizing elements can be brought into contact with one surface of the workpiece. | 05-05-2022 |
