Patents by Inventor Stefan Kempter
Stefan Kempter 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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Patent number: 11318571Abstract: A coupling element for a machine tool attachment, having a coupling section for detachable mounting on a tool interface of a machine tool and having a connection for attaching a container for media that has an outlet and holds a medium. In addition, a machine tool attachment, a machine tool, and a method for delivering a medium to a part of a machine tool is provided.Type: GrantFiled: September 13, 2017Date of Patent: May 3, 2022Assignee: Roehm GmbHInventor: Stefan Kempter
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Publication number: 20210039241Abstract: A hand-held machine tool having a machine spindle rotatably mounted in a machine housing, in which a control member and at least one locking member are mounted so as to be radially adjustable and are adjustable between a change position and a locking position by means of an adjusting sleeve guided on the machine spindle in such a way that, when adjusting the adjusting sleeve to the change position, the control member is acted upon radially inward by the adjusting sleeve and the locking member is not acted upon by the adjusting sleeve, that when adjusting the adjusting sleeve to the locking position, the locking member is acted upon by the adjusting sleeve, and that an adjusting ring mounted on the machine housing for adjusting the adjusting sleeve is provided between the change position and the locking position.Type: ApplicationFiled: August 5, 2020Publication date: February 11, 2021Applicant: Roehm GmbHInventors: Hans BAUMANN, Peter SCHENK, Stefan KEMPTER
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Publication number: 20200361007Abstract: A method of manufacturing clamping jaws for drill chucks, in which a pin is provided made from a blank, on which are formed a row of teeth furnished for engaging in a thread associated with the drill chuck and, axially offset on the side of the pin opposite the row of teeth, a clamping surface extending at an angle to the axis of the pin; in which at least one of the steps of quenching, carburizing, nitriding, and annealing is carried out to improve the material properties of the pin; and in which additional hardening is subsequently carried out in at least one region of the clamping jaws. The invention also relates to a clamping jaw and to a drill chuck having such clamping jaws.Type: ApplicationFiled: May 14, 2020Publication date: November 19, 2020Applicant: Roehm GmbHInventors: Peter SCHENK, Hans BAUMANN, Stefan KEMPTER
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Patent number: 10737334Abstract: A chuck apparatus for the fastening to a working spindle (2) of a tool machine, with a chuck body (8) comprising a receptacle (7) for the working spindle (2), with at least two chuck jaws (9) which can be adjusted radially to the body axis, and with a drive ring (10), for whose rotation taking place in the circumferential direction a drive (11) is provided, comprising a structure is formed on the drive ring (10) on its outer circumference or its inner circumference for each chuck jaw (9) and which serves for its adjusting. The invention furthermore relates to a rapid replacement system (1) with the chuck apparatus (3) as a base flange (4) and with a replacement flange (5).Type: GrantFiled: November 21, 2016Date of Patent: August 11, 2020Assignee: RÖHM GmbHInventor: Stefan Kempter
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Publication number: 20190275623Abstract: A coupling element for a machine tool attachment, having a coupling section for detachable mounting on a tool interface of a machine tool and having a connection for attaching a container for media that has an outlet and holds a medium. In addition, a machine tool attachment, a machine tool, and a method for delivering a medium to a part of a machine tool is provided.Type: ApplicationFiled: September 13, 2017Publication date: September 12, 2019Applicant: Roehm GmbHInventor: Stefan KEMPTER
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Publication number: 20180369974Abstract: The invention relates to a machine tool apparatus having a spindle (2), with a base flange (4) provided for attachment to the spindle (2) as part of a clamping tool quick-change tooling system (1), which further comprises an exchangeable flange (5), which is connectable to the chucking tool (3). Line sections (46) for data and/or energy transfer are arranged in the spindle (2), the base flange (4), the exchangeable flange (5) and the chucking tool (6), whereby coupling members (47) for connecting the line sections (46) to form a single line (FIG. 11) are provided on adjacent components in the transfer chain.Type: ApplicationFiled: November 21, 2016Publication date: December 27, 2018Applicant: RÖHM GMBHInventor: Stefan KEMPTER
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Publication number: 20180369929Abstract: A chuck apparatus for the fastening to a working spindle (2) of a tool machine, with a chuck body (8) comprising a receptacle (7) for the working spindle (2), with at least two chuck jaws (9) which can be adjusted radially to the body axis, and with a drive ring (10), for whose rotation taking place in the circumferential direction a drive (11) is provided, comprising a structure is formed on the drive ring (10) on its outer circumference or its inner circumference for each chuck jaw (9) and which serves for its adjusting. The invention furthermore relates to a rapid replacement system (1) with the chuck apparatus (3) as a base flange (4) and with a replacement flange (5).Type: ApplicationFiled: November 21, 2016Publication date: December 27, 2018Applicant: RÖHM GbmHInventor: Stefan KEMPTER
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Patent number: 9987690Abstract: A segment collet, which includes at least two clamping segments, each of which has a receptacle, in which a coupling ring is accommodated, which connects the clamping segments to each other. A securing device is provided to connect the coupling ring to the clamping segments for the purpose of limiting the axial mobility of the clamping segments relative to the coupling ring as well as to fix their circumferential position. The invention furthermore relates to a coupling ring for a segment collet.Type: GrantFiled: April 27, 2016Date of Patent: June 5, 2018Assignee: Roehm GmbHInventors: Stefan Kempter, Andreas Dolpp
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Publication number: 20160311033Abstract: A segment collet, which includes at least two clamping segments, each of which has a receptacle, in which a coupling ring is accommodated, which connects the clamping segments to each other. A securing device is provided to connect the coupling ring to the clamping segments for the purpose of limiting the axial mobility of the clamping segments relative to the coupling ring as well as to fix their circumferential position. The invention furthermore relates to a coupling ring for a segment collet.Type: ApplicationFiled: April 27, 2016Publication date: October 27, 2016Applicant: Roehm GmbHInventors: Stefan KEMPTER, Andreas DOLPP
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Publication number: 20160245380Abstract: A pull and/or push rod which is adjustable along a rod longitudinal axis, with a cam for guiding a control member having a coil section which is at least partially spiral-shaped and comprises one or more slope portions.Type: ApplicationFiled: February 25, 2016Publication date: August 25, 2016Applicant: Roehm GmbHInventor: Stefan KEMPTER
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Publication number: 20050098054Abstract: For producing information carriers the information carriers are transported by at least one transporting device; processing a surface of the information carriers by is processed a processing unit; and the information carriers are treated on the surface so that the surface is well wetted for further printing with ink; and an apparatus for producing the information carriers is provided as well.Type: ApplicationFiled: March 24, 2004Publication date: May 12, 2005Inventors: Anders Berndtsson, Stefan Kempter