Patents by Inventor Hans Hediger
Hans Hediger has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230182250Abstract: The invention relates to a clamping arrangement with a clamping device (1) which is able to be fastened on a clamping base, and with a clamping element (26) able to be tightened thereon. The clamping device (1) has a clamping module (2), provided with clamping members (15), which is able to be fixed by means of a fixing element (3) on the clamping base, wherein the fixing element (3) is configured such that the clamping module (2) is thus fixed in the X-Y plane in a floating manner on the clamping base. The clamping module (2) is displaceable in the fixed state of the fixing element (3) with respect to the fixing element (3) in the X-Y plane, but is non-displaceable in Z-direction, wherein the fixing element (3) is provided with Z-support surfaces (24) for the clamping element (26).Type: ApplicationFiled: November 21, 2022Publication date: June 15, 2023Inventor: Hans Hediger
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Publication number: 20220193850Abstract: The invention relates to a monitoring arrangement (12) for monitoring the clamping quality of a workpiece carrier clamped in a clamping device (3, 40, 49) as well as a clamping system with clamping device (3, 40, 49) and such a monitoring arrangement (12). The monitoring arrangement comprises at least two sensors (A1-A4) for the independent detection of the clamping quality of a clamped workpiece carrier or workpiece. The monitoring arrangement also comprises a transmitting device (14) and a receiving device (21), wherein the transmitting device (14) is constituted such that it transmits the determined or calculated parameter or parameters redundantly to the receiving device (21).Type: ApplicationFiled: November 19, 2021Publication date: June 23, 2022Inventor: Hans Hediger
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Publication number: 20220055121Abstract: A clamping chuck is provided for clamping palettes having a clamping spigot. The clamping chuck includes a receiving opening for the clamping spigot and a clamping device that includes an actuating piston displaceable between an initial position and a locking position for actuating clamping members for clamping the clamping spigot in the receiving opening. The clamping chuck includes a monitoring line that is acted upon pneumatically and leads from an inlet to an outlet. The receiving opening includes a conical insertion region, into which at least one control hole connected to the monitoring line emerges, the control hole being closed by the clamping spigot. A valve device is arranged between the inlet and the outlet of the monitoring line to vary the flow of a fluid through the monitoring line depending on the position of the actuating piston.Type: ApplicationFiled: June 25, 2021Publication date: February 24, 2022Inventor: Hans Hediger
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Patent number: 11065731Abstract: A clamping device includes a clamping chuck and a clamping element, which can be clamped thereto. The clamping chuck has a receiving opening for the clamping element and clamping members for clamping the clamping element in the receiving opening. The clamping element is elongated, while the clamping chuck is provided with an elongated receiving opening for the clamping element. A resiliently flexible centering element, which aligns the clamping element in response to the insertion into the receiving opening at right angles to the longitudinal axis of the receiving opening, is arranged on the clamping chuck in the insertion area of the receiving opening. Such a clamping device is suitable in clamping systems by means of which large to very large workpiece carriers can be clamped in the work area of a machine tool in a repeatably accurate manner.Type: GrantFiled: April 13, 2017Date of Patent: July 20, 2021Assignee: EROWA AGInventor: Hans Hediger
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Publication number: 20200306903Abstract: An arrangement for processing workpieces includes at least one processing machine, a machine magazine assigned to a respective processing machine for accommodating processing tools, and a robot arranged on a driverless base frame. Processing tools may be supplied to and/or removed again from the machine magazine using the driverless base frame. The driverless base frame is additionally provided with a temporary magazine for accommodating processing tools.Type: ApplicationFiled: March 9, 2020Publication date: October 1, 2020Inventor: Hans Hediger
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Patent number: 10493575Abstract: The invention relates to a clamping chuck for clamping pallets furnished with a clamping spigot. The clamping chuck has a locating opening for the clamping spigot and a clamping device for clamping the clamping spigot in the locating opening. A plurality of sensors are arranged on the clamping chuck, by means of which the clamping force actions on the clamping spigot may be determined as well as other values. The clamping chuck is equipped with a transmitter for wireless transmission of parameters detected by means of the one or more sensors.Type: GrantFiled: April 3, 2018Date of Patent: December 3, 2019Assignee: Erowa AGInventor: Hans Hediger
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Publication number: 20180304428Abstract: The invention relates to a clamping chuck for clamping pallets furnished with a clamping spigot. The clamping chuck has a locating opening for the clamping spigot and a clamping device for clamping the clamping spigot in the locating opening. A plurality of sensors are arranged on the clamping chuck, by means of which the clamping force actions on the clamping spigot may be determined as well as other values. The clamping chuck is equipped with a transmitter for wireless transmission of parameters detected by means of the one or more sensors.Type: ApplicationFiled: April 3, 2018Publication date: October 25, 2018Inventor: Hans Hediger
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Patent number: 9937595Abstract: The coupling device (1) comprises a clamping fixture (2) fixable to a manipulator and an adapter (40) securely clampable thereto. Both the clamping fixture (2) and the adapter (40) are configured substantially rectangular. The clamping fixture (2) comprises a locking mechanism (5) consisting of two laterally shiftable locking elements (6, 7) and an actuating member (8) disposed inbetween. For fixedly securing the adapter (40) to the clamping fixture (2) the locking elements (6, 7) are urged by means of the actuating member into the side widenings (45, 46) of the locking opening (44). In addition, the clamping fixture (2) is provided with a slotted recess (4) and the adapter (40) with an elongated base (41), the latter being insertable into the slotted recess (4).Type: GrantFiled: February 16, 2015Date of Patent: April 10, 2018Assignee: Erowa AGInventor: Hans Hediger
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Patent number: 9863751Abstract: The measuring machine (1) for measuring workpieces (23, 23a) features a machine table (2) and a mechanical device comprising a measuring slide movable in a first linear axis and a cross slide movable in a second linear axis, and a quill shaft (7) arranged on the cross slide and movable in a third linear axis. Arranged on the quill shaft (7) is, in addition to a sensor (9) for measuring the workpiece, also a gripper (11) by means of which a workpiece (23a) can be retrieved from a magazine (22) and transferred to the clamping device (20), or retrieved from the clamping device (20) and transferred to the magazine (22). Due to this configuration the existing mechanical device of the measuring machine (1) can be made use of to mechanically transfer and also retrieve a workpiece (23, 23a) being measured.Type: GrantFiled: December 10, 2015Date of Patent: January 9, 2018Assignee: EROWA AGInventor: Hans Hediger
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Publication number: 20180001427Abstract: A clamping device includes a clamping chuck and a clamping element, which can be clamped thereto. The clamping chuck has a receiving opening for the clamping element and clamping members for clamping the clamping element in the receiving opening. The clamping element is elongated, while the clamping chuck is provided with an elongated receiving opening for the clamping element. A resiliently flexible centering element, which aligns the clamping element in response to the insertion into the receiving opening at right angles to the longitudinal axis of the receiving opening, is arranged on the clamping chuck in the insertion area of the receiving opening. Such a clamping device is suitable in clamping systems by means of which large to very large workpiece carriers can be clamped in the work area of a machine tool in a repeatably accurate manner.Type: ApplicationFiled: April 13, 2017Publication date: January 4, 2018Inventor: Hans Hediger
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Patent number: 9738048Abstract: The assembly comprises a coupling for direct or indirect coupling the core rod (15) to the lower punch (12) of a powder press. The coupling is configured as a magnetic coupling and comprising two coupling elements (20, 30), the first (20) of which is actively connected to the core rod (15) and the second (30) of which is actively connected to the lower punch (12). The magnetic coupling comprises several permanent magnets (24a, 24b, 33a, 33b) arranged at each coupling element. These permanent magnets (24a, 24b, 33a, 33b) are arranged and adapted to each other such that when coupling the two coupling elements (20, 30) the first coupling element (20) is automatically rotated by the effect of the field lines of the magnets (24a, 24b, 33a, 33b) into a predetermined angular position relative to the second coupling element (30).Type: GrantFiled: April 14, 2016Date of Patent: August 22, 2017Assignee: EROWA AGInventor: Hans Hediger
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Patent number: 9592579Abstract: The invention relates to a clamping fixture comprising a chuck (1) and for locking thereto a workpiece pallet (2). The chuck (1) comprises first centering members in the form of centering spigots (5) whilst said workpiece pallet (2) is provided with a main body (20) and secured thereto a centering disk (23). The centering disk (23) is provided with second centering members in the form of centering openings (24). The centering spigots (5) of the workpiece pallet (2) are adapted to the centering openings (24) of the workpiece pallet (2) that the latter is alignable in the X-direction and Y-direction on clamping to the chuck (1). Provided topping the chuck (1) is a sealing member assembly (7). Disposed between the centering disk (23) and the main body (20) of the workpiece pallet (2) is a sealing disk (21) which overhangs the centering disk (23) radially.Type: GrantFiled: August 19, 2014Date of Patent: March 14, 2017Assignee: Erowa AGInventor: Hans Hediger
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Publication number: 20160303817Abstract: The assembly comprises a coupling for direct or indirect coupling the core rod (15) to the lower punch (12) of a powder press. The coupling is configured as a magnetic coupling and comprising two coupling elements (20, 30), the first (20) of which is actively connected to the core rod (15) and the second (30) of which is actively connected to the lower punch (12). The magnetic coupling comprises several permanent magnets (24a, 24b, 33a, 33b) arranged at each coupling element. These permanent magnets (24a, 24b, 33a, 33b) are arranged and adapted to each other such that when coupling the two coupling elements (20, 30) the first coupling element (20) is automatically rotated by the effect of the field lines of the magnets (24a, 24b, 33a, 33b) into a predetermined angular position relative to the second coupling element (30).Type: ApplicationFiled: April 14, 2016Publication date: October 20, 2016Inventor: Hans Hediger
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Publication number: 20160216098Abstract: The measuring machine (1) for measuring workpieces (23, 23a) features a machine table (2) and a mechanical device comprising a measuring slide movable in a first linear axis and a cross slide movable in a second linear axis, and a quill shaft (7) arranged on the cross slide and movable in a third linear axis. Arranged on the quill shaft (7) is, in addition to a sensor (9) for measuring the workpiece, also a gripper (11) by means of which a workpiece (23a) can be retrieved from a magazine (22) and transferred to the clamping device (20), or retrieved from the clamping device (20) and transferred to the magazine (22).Type: ApplicationFiled: December 10, 2015Publication date: July 28, 2016Inventor: Hans Hediger
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Patent number: 9302359Abstract: A clamping fixture comprises a clamping base member (1) and a workpiece pallet (2) for fixedly clamping thereto. The clamping base member (1) features a number of clamping spigots (43) corresponding in number to that of the clamping devices (5) for fixedly clamping in place in each clamping device (5). Arranged on the clamping base member (1) are first centering members (4) which cooperate with the further centering members (38) arranged on the workpiece pallet (2) such that the workpiece pallet (2) is aligned in place when fixedly clamping to the clamping base member in the X-direction and Y-direction. Each clamping device (5) features a clamping socket (6), the top side of which forms the Z-mount for the workpiece pallet (2). The Z-mount of the clamping base member (1) is formed by a plurality of face portions (11) topping each clamping socket (6), and wherein each face portion (11) is provided with at least one outflow port (12) for a cleaning medium.Type: GrantFiled: September 19, 2013Date of Patent: April 5, 2016Assignee: Erowa AGInventor: Hans Hediger
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Publication number: 20150258647Abstract: The coupling device (1) comprises a clamping fixture (2) fixable to a manipulator and an adapter (40) securely clampable thereto. Both the clamping fixture (2) and the adapter (40) are configured substantially rectangular. The clamping fixture (2) comprises a locking mechanism (5) consisting of two laterally shiftable locking elements (6, 7) and an actuating member (8) disposed inbetween. For fixedly securing the adapter (40) to the clamping fixture (2) the locking elements (6, 7) are urged by means of the actuating member into the side widenings (45, 46) of the locking opening (44). In addition, the clamping fixture (2) is provided with a slotted recess (4) and the adapter (40) with an elongated base (41), the latter being insertable into the slotted recess (4).Type: ApplicationFiled: February 16, 2015Publication date: September 17, 2015Inventor: Hans Hediger
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Patent number: 9026251Abstract: Proposed is a monitoring device for monitoring and/or sensing predefined positions of a robotic device (5) having at least two axes of motion. The monitoring device comprises at least two sensors (15, 16), the first (15) of which is defined to sense a horizontal position and/or rotative position of the main support (9) and the second sensor (16) a defined horizontal position of the robotic arm (11). The monitoring device comprises furthermore sensor active faces (17a, 18a, 18b) arranged selectively for the first sensor (15) arranged in the horizontal motion zone and/or swiveling zone of the robotic device (5).Type: GrantFiled: May 1, 2013Date of Patent: May 5, 2015Assignee: Erowa AGInventor: Hans Hediger
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Publication number: 20150115553Abstract: The invention relates to a clamping fixture comprising a chuck (1) and for locking thereto a workpiece pallet (2). The chuck (1) comprises first centering members in the form of centering spigots (5) whilst said workpiece pallet (2) is provided with a main body (20) and secured thereto a centering disk (23). The centering disk (23) is provided with second centering members in the form of centering openings (24). The centering spigots (5) of the workpiece pallet (2) are adapted to the centering openings (24) of the workpiece pallet (2) that the latter is alignable in the X-direction and Y-direction on clamping to the chuck (1). Provided topping the chuck (1) is a sealing member assembly (7). Disposed between the centering disk (23) and the main body (20) of the workpiece pallet (2) is a sealing disk (21) which overhangs the centering disk (23) radially.Type: ApplicationFiled: August 19, 2014Publication date: April 30, 2015Inventor: Hans Hediger
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Publication number: 20150054211Abstract: A clamping fixture comprises a clamping base member (1) and a workpiece pallet (2) for fixedly clamping thereto. The clamping base member (1) features a number of clamping spigots (43) corresponding in number to that of the clamping devices (5) for fixedly clamping in place in each clamping device (5). Arranged on the clamping base member (1) are first centering members (4) which cooperate with the further centering members (38) arranged on the workpiece pallet (2) such that the workpiece pallet (2) is aligned in place when fixedly clamping to the clamping base member in the X-direction and Y-direction. Each clamping device (5) features a clamping socket (6), the top side of which forms the Z-mount for the workpiece pallet (2). The Z-mount of the clamping base member (1) is formed by a plurality of face portions (11) topping each clamping socket (6), and wherein each face portion (11) is provided with at least one outflow port (12) for a cleaning medium.Type: ApplicationFiled: September 19, 2013Publication date: February 26, 2015Applicant: Erowa AGInventor: Hans Hediger
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Publication number: 20130297071Abstract: Proposed is a monitoring device for monitoring and/or sensing predefined positions of a robotic device (5) having at least two axes of motion. The monitoring device comprises at least two sensors (15, 16), the first (15) of which is defined to sense a horizontal position and/or rotative position of the main support (9) and the second sensor (16) a defined horizontal position of the robotic arm (11). The monitoring device comprises furthermore sensor active faces (17a, 18a, 18b) arranged selectively for the first sensor (15) arranged in the horizontal motion zone and/or swivelling zone of the robotic device (5).Type: ApplicationFiled: May 1, 2013Publication date: November 7, 2013Applicant: Erowa AGInventor: Hans Hediger