Patents by Inventor Johann Doppstadt
Johann Doppstadt 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: 10632474Abstract: The invention relates to a disintegrating device including a comb system (I), wherein the disintegrating device is formed by at least one disintegrating roller (1), rotatably mounted in a machine frame, with at least one disintegrating tool (2) arranged thereon, wherein the disintegrating device has at least one counter blade (3) that cooperates with the disintegrating tool (2), and including at least one base comb (II) on which the at least one counter blade (3) is arranged, and on which at least one sieve element (41) can be arranged as a component of a sieve device (4), wherein the sieve device (4) at least partially includes the disintegrating roller (1) in the intended application. According to the invention, the sieve element (41) is spring-mounted on the base comb (II).Type: GrantFiled: December 7, 2015Date of Patent: April 28, 2020Assignee: DOPPSTADT FAMILIENHOLDING GMBHInventors: Johann Doppstadt, Horst Berger
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Patent number: 10589282Abstract: A drum for a precision chipper, said chipping device comprising: a shaft on which the drum is arranged, wherein cutting tools are provided on the outer circumference of the drum in blade holders, which cutting tools are used to chop the material to be chipped; at least one distancing piece, which has a support surface or contact surface for the material to be chipped on the drum, the height of which distancing piece being used to determine the chip size, wherein the vertical position of the distancing piece on the drum can be set or adjusted. The distancing piece, when viewed in cross-section, has an approximately T-shaped form such that it can be placed on the outer edge of the drum disk by means of a positively locking surface of the distancing piece, said surface being formed on the face pointing towards the drum by the inner radius of the distancing piece.Type: GrantFiled: November 19, 2015Date of Patent: March 17, 2020Assignee: DOPPSTADT FAMILIENHOLDING GMBHInventor: Johann Doppstadt
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Patent number: 10118178Abstract: The invention relates to a hammer, in particular for comminuting devices, including a rotor and/or at least one shaft to and/or on which the hammer can be fixed. Said hammer consists of a lower body provided with a through hole which is provided to connect the hammer to the rotor and/or the shaft, and at least one cutting body which can be detachably/rigidly connected to the lower body. The cutting body of the invention includes at least two parts.Type: GrantFiled: October 5, 2011Date of Patent: November 6, 2018Assignee: DOPPSTADT FAMILIENHOLDING GMBHInventors: Johann Doppstadt, Horst Berger
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Publication number: 20170361331Abstract: The invention relates to a disintegrating device comprising a comb system (I), wherein the disintegrating device is formed by at least one disintegrating roller (1), rotatably mounted in a machine frame, with at least one disintegrating tool (2) arranged thereon, wherein the disintegrating device has at least one counter blade (3) that cooperates with the disintegrating tool (2), and comprising at least one base comb (II) on which the at least one counter blade (3) is arranged, and on which at least one sieve element (41) can be arranged as a component of a sieve device (4), wherein the sieve device (4) at least partially comprises the disintegrating roller (1) in the intended application. The invention is characterised in that the sieve element (41) is spring-mounted on the base comb (II).Type: ApplicationFiled: December 7, 2015Publication date: December 21, 2017Applicant: DOPPSTADT FAMILIENHOLDING GMBHInventors: Johann DOPPSTADT, Horst BERGER
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Publication number: 20170341082Abstract: A drum for a precision chipper, said chipping device comprising: a shaft on which the drum is arranged, wherein cutting tools are provided on the outer circumference of the drum in blade holders, which cutting tools are used to chop the material to be chipped; at least one distancing piece, which has a support surface or contact surface for the material to be chipped on the drum, the height of which distancing piece being used to determine the chip size, wherein the vertical position of the distancing piece on the drum can be set or adjusted. The distancing piece, when viewed in cross-section, has an approximately T-shaped form such that it can be placed on the outer edge of the drum disk by means of a positively locking surface of the distancing piece, said surface being formed on the face pointing towards the drum by the inner radius of the distancing piece.Type: ApplicationFiled: November 19, 2015Publication date: November 30, 2017Applicant: DOPPSTADT FAMILIENHOLDING GMBHInventor: Johann DOPPSTADT
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Patent number: 9616428Abstract: The invention refers to a comminution device, such as for example a shredder (II) or the like for in particular large-size materials, with a main drive (I) generating a rotational movement for a shredder shaft (2), wherein the rotational speed of the shredder shaft (2) can be changed continuously by means of a gear interposed between main drive (I) and shredder (II), wherein as gear a planetary gear, in particular a planetary superposition gear (1), preferably a hydrostatic superposition gear is provided. The invention is characterized in that the hydraulic engine (4) as additional drive aggregate can be impinged in two different rotational directions.Type: GrantFiled: July 26, 2012Date of Patent: April 11, 2017Assignee: DOPPSTADT FAMILIENHOLDING GMBHInventors: Johann Doppstadt, Horst Berger
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Patent number: 9511375Abstract: The invention relates to a blade carrier for comminution devices that consists of a tooth element which can be fixed on a comminution roller or the like, and at least one blade, wherein the blade can be arranged with a first form-fitting connection at the tooth element, in the tooth element a blade holder designed as recess is provided as first form-fitting connection in which the blade can be introduced at least partly, and the tooth element and the blade have a form corresponding to each other, at least at the connection side(s), wherein in the recess or in the blade holder and at the blade at least one further form-fitting connection is provided. The invention is characterized in that one part of the tooth element is designed as support element, at least one part of the further form-fitting connection is provided at a support element, and one part of the further form-fitting connection at the support element extends additionally over angled running support surfaces that are designed there.Type: GrantFiled: July 12, 2011Date of Patent: December 6, 2016Assignee: DOPPSTADT FAMILIENHOLDING GMBHInventors: Johann Doppstadt, Horst Berger
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Patent number: 9409365Abstract: A screw conveyor, in particular as screw conveyor in a pressing screw device for material to be dried, for example moist or wet waste, consists of a shaft that can be supported on bearings rotatably in the pressing screw device, and at least one spiral screw provided on the shaft to convey the material to be dried in the pressing screw. The spiral screw is formed of at least two elements, such as, for example, a basic element and at least one cover element, and at least one of the elements of the spiral screw is designed exchangeably and removably, respectively.Type: GrantFiled: September 8, 2011Date of Patent: August 9, 2016Assignee: DOPPSTADT FAMILIENHOLDING GMBHInventors: Johann Doppstadt, Horst Berger
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Patent number: 9327287Abstract: The invention refers to a mallet, in particular for comminution devices with a rotor or at least one shaft, on or at which the mallet (1) can be fastened, consisting of a basic element (2) provided with a through bore hole (B), wherein the through bore hole (B) is provided for connecting the mallet (1) with the rotor or the shaft, and a cutting insert (3) that can be connected releasably/fixedly with the basic element (2) by at least one form-locking connection (V) as well as by at least one connecting means (4), the connecting means (4) exerts power (P) drawing or pressing the cutting insert (3) in the form-locking connection (V) of the basic element (2). The invention is characterized in that referring to the power (P) a power (P1) results drawing or pressing the cutting insert (3) in a sloping angle (?) with reference to an axis (Y) of the mallet (1) and a symmetry axis (A) of the connecting means (4) essentially parallel to the axis (Y) in the basic element (2).Type: GrantFiled: October 7, 2011Date of Patent: May 3, 2016Assignee: DOPPSTADT FAMILIENHOLDING GMBHInventors: Johann Doppstadt, Horst Berger
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Publication number: 20150217299Abstract: The invention relates to a disintegrating device, comprising a machine housing, which can be installed on an installation plane or an installation surface, and at least one disintegrating roller. The disintegrating rollers is rotatably supported in the machine housing and has at least one disintegrating tool arranged thereon, at least one counter blade, which interacts with the disintegrating tool, and at least one comb carrier on at least one wall of the machine frame extending parallel to the axis of rotation of the disintegrating roller. The invention is characterized in that at least part of the wall of the machine housing forms a common, in particular pivotable assembly together with the comb carrier.Type: ApplicationFiled: July 22, 2013Publication date: August 6, 2015Inventors: Johann Doppstadt, Horst Berger
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Patent number: 8979010Abstract: The invention relates to a comb tooth holder, especially for comminution devices having cutting teeth disposed on comminution rolls, said cutting teeth interacting with comb teeth arranged on at least one mating holder or cage for comminuting the material to be comminuted. Said comb tooth holder consists of at least one comb tooth body and at least one comb tooth. The comb tooth can be fastened to the comb tooth body by means of a first positively locking portion, at least one additional positively locking portion being provided on the comb tooth holder for fastening the comb tooth to the comb tooth body. The invention is characterized in that a web surface connecting the two positively locking faces extends in the center of or centrally in the recess.Type: GrantFiled: April 20, 2011Date of Patent: March 17, 2015Assignee: Doppstadt Familienholding GmbHInventors: Johann Doppstadt, Horst Berger
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Patent number: 8827083Abstract: The invention refers to a screen star, in particular for a screen machine, wherein the screen star is configured essentially disc-like and can be arranged on a shaft, wherein referring to the center of the screen star at least two outside-running star fingers are provided. The invention is characterized in that the length of the star fingers differs.Type: GrantFiled: December 3, 2009Date of Patent: September 9, 2014Assignee: Doppstadt Familienholding GmbHInventors: Johann Doppstadt, Horst Berger
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Publication number: 20140166792Abstract: The invention refers to a comminution device, such as for example a shredder (II) or the like for in particular large-size materials, with a main drive (I) generating a rotational movement for a shredder shaft (2), wherein the rotational speed of the shredder shaft (2) can be changed continuously by means of a gear interposed between main drive (I) and shredder (II), wherein as gear a planetary gear, in particular a planetary superposition gear (1), preferably a hydrostatic superposition gear is provided. The invention is characterized in that the hydraulic engine (4) as additional drive aggregate can be impinged in two different rotational directions.Type: ApplicationFiled: July 26, 2012Publication date: June 19, 2014Applicant: DOPPSTADT FAMILIENHOLDING GmbHInventors: Johann Doppstadt, Horst Berger
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Publication number: 20130277476Abstract: The invention relates to a hammer, in particular for comminuting devices, comprising a rotor and/or at least one shaft to and/or on which the hammer can be fixed. Said hammer consists of a lower body provided with a through hole which is provided to connect the hammer to the rotor and/or the shaft, and at least one cutting body which can be detachably/rigidly connected to the lower body. The invention is characterised by the fact that the cutting body consists of at least two parts.Type: ApplicationFiled: October 5, 2011Publication date: October 24, 2013Applicant: Doppstadt Familienholding GmbHInventors: Johann Doppstadt, Horst Berger
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Publication number: 20130167740Abstract: The invention refers to a screw conveyor, in particular as screw conveyor in a pressing screw device for material to be dried, for example moist or wet waste, consisting of a shaft that can be supported on bearings rotatably in the pressing screw device, and at least one spiral screw provided on the shaft to convey the material to be dried in the pressing screw. The invention is characterized in that the spiral screw is formed of at least two elements, such as, for example, a basic element and at least one cover element, and at least one of the elements of the spiral screw is designed exchangeably and removably, respectively.Type: ApplicationFiled: September 8, 2011Publication date: July 4, 2013Applicant: Doppstadt Familienholding GMBHInventors: Johann Doppstadt, Horst Berger
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Publication number: 20130168477Abstract: The invention refers to a mallet, in particular for comminution devices with a rotor or at least one shaft, on or at which the mallet (1) can be fastened, consisting of a basic element (2) provided with a through bore hole (B), wherein the through bore hole (B) is provided for connecting the mallet (1) with the rotor or the shaft, and a cutting insert (3) that can be connected releasably/fixedly with the basic element (2) by at least one form-locking connection (V) as well as by at least one connecting means (4), the connecting means (4) exerts power (P) drawing or pressing the cutting insert (3) in the form-locking connection (V) of the basic element (2). The invention is characterized in that referring to the power (P) a power (P1) results drawing or pressing the cutting insert (3) in a sloping angle (?) with reference to an axis (Y) of the mallet (1) and a symmetry axis (A) of the connecting means (4) essentially parallel to the axis (Y) in the basic element (2).Type: ApplicationFiled: October 7, 2011Publication date: July 4, 2013Applicant: Doppstadt Familienholding GmbHInventors: Johann Doppstadt, Horst Berger
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Publication number: 20130112792Abstract: The invention relates to a blade carrier for comminution devices that consists of a tooth element (1) which can be fixed on a comminution roller or the like, and at least one blade (2), wherein the blade (2) can be arranged with a first form-fitting connection at the tooth element (1), in the tooth element (1) a blade holder (3) designed as recess (4) is provided as first form-fitting connection in which the blade (2) can be introduced at least partly, and the tooth element (1) and the blade (2) have a form corresponding to each other, at least at the connection side(s), wherein in the recess (3, should read “4” (the translator)) or in the blade holder (4, should read “3” (the translator)) and at the blade (2) at least one further form-fitting connection is provided.Type: ApplicationFiled: July 12, 2011Publication date: May 9, 2013Applicant: Doppstadt Familienholding GmbHInventors: Johann Doppstadt, Horst Berger
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Publication number: 20130037642Abstract: The invention relates to a comb tooth holder, especially for comminution devices having cutting teeth disposed on comminution rolls, said cutting teeth interacting with comb teeth arranged on at least one mating holder or cage for comminuting the material to be comminuted. Said comb tooth holder consists of at least one comb tooth body and at least one comb tooth. The comb tooth can be fastened to the comb tooth body by means of a first positively locking portion, at least one additional positively locking portion being provided on the comb tooth holder for fastening the comb tooth to the comb tooth body. The invention is characterized in that a web surface connecting the two positively locking faces extends in the center of or centrally in the recess.Type: ApplicationFiled: April 20, 2011Publication date: February 14, 2013Inventors: Johann Doppstadt, Horst Berger
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Publication number: 20110303587Abstract: The invention refers to a screen star, in particular for a screen machine, wherein the screen star is configured essentially disc-like and can be arranged on a shaft, wherein referring to the center of the screen star at least two outside-running star fingers are provided. The invention is characterized in that the length of the star fingers differs.Type: ApplicationFiled: December 3, 2009Publication date: December 15, 2011Inventors: Johann Doppstadt, Berger Horst
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Patent number: 7992812Abstract: A sieve device including a cog elongation with several cogs shaped from flexible material arranged parallel to each other. The cogs are provided with bends or chamfers serving for defining a grid to define the grain size for the sieved material. The sieve device is included in a cylinder disintegrator.Type: GrantFiled: June 7, 2006Date of Patent: August 9, 2011Assignee: Doppstadt Calbe GmbHInventors: Johann Doppstadt, Horst Berger