Patents Assigned to Chr. Mayr GmbH & Co. KG
  • Publication number: 20210381561
    Abstract: An electromagnetically switchable brake, preferably spring-loaded brake, comprising at least one coil carrier (3) and at least one armature plate (1), wherein the axial distance of the coil carrier and armature plate relative to out another is variable, comprising at least one rotor (7) or at least one hub of a shaft to be braked, and comprising damping members arranged between the armature plate (1) and coil carrier (3), between the end faces of the coil carrier (3) and armature plate (1) which face one another. It is considered to be novel and inventive that the solid body of coil carrier (3) and/or armature plate (1) has an integral damper structure (D), which is composed of an least one elastic tab (12) and a foot (13), the elastic tab (12) being an integral part of the solid body of the armature plate (1) or of the coil carrier (3) (FIG. 1.
    Type: Application
    Filed: November 11, 2019
    Publication date: December 9, 2021
    Applicant: Chr. Mayr GmbH + Co. KG
    Inventor: Michael Fichtl
  • Patent number: 10927907
    Abstract: A method for controlling an electromagnetic brake (1) having a coil carrier (2), a solenoid (5), an armature disc (7), and at least one further force-exerting element. The internal and external poles (3, 4) of the coil carrier each have a front surface with a varying gradient that fits, in a complementary fashion, the front surfaces of the respective internal and external poles (8, 9) of the armature disc. The brake has an air gap (11) which varies in size and forms a stroke region (21). When excitation occurs, the solenoid generates a magnetic force, and the force-exerting element generates an opposing force, wherein the ratio of the solenoid's magnetic force and the opposing force varies at least once between greater than and smaller than one during the movement of the armature disc in the stroke region owing to the variation of the excitation of the solenoid.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: February 23, 2021
    Assignee: CHR. MAYR GMBH + CO. KG
    Inventors: Karl Unsin, Mathias Kramkowski, Rudolf Rädel
  • Patent number: 10436261
    Abstract: Disconnecting overload clutch, comprising a hub (5) which has axially directed hub recesses (4) arranged on the periphery thereof, a pressure flange (1) mounted on the hub (5) in a rotatable manner with axially directed pressure flange depressions (2), wherein in each hub recess (4), for example, two rotationally symmetrical transmission bodies (3,9) are arranged, which are pressed into the pressure flange depressions (2) by spring elements (6) via a switch element (7). According to the invention, the switch element (7) has axially projecting switch element cams (8) facing the front-end exposed surface (21) thereof, which in the engaged state transfer the force of the spring elements (6)to the transmission bodies (3,9) and thus axially engage with the hub recesses (4).
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: October 8, 2019
    Assignee: Chr. Mayr GmbH + Co. KG
    Inventor: Norbert Vogl
  • Publication number: 20190226537
    Abstract: A method for controlling an electromagnetic brake (1) having a coil carrier (2), a solenoid (5), an armature disc (7), and at least one further force-exerting element. The internal and external poles (3, 4) of the coil carrier each have a front surface with a varying gradient that fits, in a complementary fashion, the front surfaces of the respective internal and external poles (8, 9) of the armature disc. The brake has an air gap (11) which varies in size and forms a stroke region (21). When excitation occurs, the solenoid generates a magnetic force, and the force-exerting element generates an opposing force, wherein the ratio of the solenoid's magnetic force and the opposing force varies at least once between greater than and smaller than one during the movement of the armature disc in the stroke region owing to the variation of the excitation of the solenoid.
    Type: Application
    Filed: September 18, 2017
    Publication date: July 25, 2019
    Applicant: CHR. MAYR GMBH + CO. KG
    Inventors: Karl Unsin, Mathias Kramkowski, Rudolf Rädel
  • Patent number: 9816576
    Abstract: A compact control device for failsafely controlling an electrical actuator capable of moving a movable machine part into a defined end position, has an input connection for receiving an external control signal representing a desired position of the machine part. The compact control device further has an input part for detecting a position signal, which signals an actual position of the machine part at the defined end position. A power section comprises a power switching element for switching on and failsafely switching off a control current for the actuator that is supplied to the electrical actuator via a first output connection. The compact control device has a second output connection for providing an external status signal and an evaluation unit which actuates the power switching element depending on the external control signal and generates the external status signal at the second output connection depending on the position signal.
    Type: Grant
    Filed: November 3, 2014
    Date of Patent: November 14, 2017
    Assignee: CHR. MAYR GMBH & CO. KG
    Inventors: Karl Unsin, Martin Hecht, Alexander Wiegert, Andreas Hahn, Berthold Roessler, Michael Haerter
  • Publication number: 20170198763
    Abstract: Disconnecting overload clutch, comprising a hub (5) which has axially directed hub recesses (4) arranged on the periphery thereof, a pressure flange (1) mounted on the hub (5) in a rotatable manner with axially directed pressure flange depressions (2), wherein in each hub recess (4), for example, two rotationally symmetrical transmission bodies (3,9) are arranged, which are pressed into the pressure flange depressions (2) by spring elements (6) via a switch element (7). According to the invention, the switch element (7) has axially projecting switch element cams (8) facing the front-end exposed surface (21) thereof, which in the engaged state transfer the force of the spring elements to the transmission bodies (3,9) and thus axially engage with the hub recesses (4).
    Type: Application
    Filed: May 28, 2015
    Publication date: July 13, 2017
    Applicant: Chr. Mayr GmbH + Co. KG
    Inventor: Norbert Vogl
  • Publication number: 20170198756
    Abstract: A disengaging overload clutch, having a clutch hub and a pressure flange mounted rotatably and in which transmission bodies are held in the recesses of the pressure flange by way of the force of spring elements and transmit the torque from the pressure flange to the clutch hub. During overload between the clutch hub and the pressure flange, the clutch moves in—a first rotational direction into a disengaged state, wherein the relatching takes place by rotation between the clutch hub and the pressure flange in a second opposite rotational direction; or more precisely by the interaction between the control pins, control cams which are connected to the clutch hub, and control grooves with groove flanks. The control pins are fitted with pin magnets, which are pressed away from control magnets of identical polarity, in order to bring the control pins into engagement with the control cams and the control grooves.
    Type: Application
    Filed: June 2, 2015
    Publication date: July 13, 2017
    Applicant: Chr. Mayr GmbH + Co. KG
    Inventor: Norbert Vogl
  • Patent number: 9316262
    Abstract: The invention relates to a linear brake (LBR) for attachment on a slide that can be moved along a guide rail (F), having a brake housing (1), which at least partially surrounds the guide rail (F), a force store arranged on or in the brake housing (1) and a brake piston (3), which is loaded by the force store, surrounds the guide rail (F) in a fork-like manner and is moved by the force store against the guide rail transversely to the movement direction between the slide and the guide rail (F). The brake piston presses the two clamp jaws (7), which are connected with a U-shaped transfer plate (6), against the guide rail (F) by means of piston bevels (3.2) and wedge bevels (5.1), which are arranged on both sides of the guide rail (F) and are opposite each other. The brake piston (3) is configured as a cylindrical annular piston, which is loaded on one end face by the force store (2) arranged centrally in the annular piston and has on the other end face the piston ends (3.6) with the bevel faces (3.2).
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: April 19, 2016
    Assignee: CHR. MAYR GMBH + CO. KG
    Inventors: Alexander Müller, Martin Hecht, Christoph Dropmann
  • Publication number: 20150275977
    Abstract: The invention relates to a linear brake (LBR) for attachment on a slide that can be moved along a guide rail (F), having a brake housing (1), which at least partially surrounds the guide rail (F), a force store arranged on or in the brake housing (1) and a brake piston (3), which is loaded by the force store, surrounds the guide rail (F) in a fork-like manner and is moved by the force store against the guide rail transversely to the movement direction between the slide and the guide rail (F). The brake piston presses the two clamp jaws (7), which are connected with a U-shaped transfer plate (6), against the guide rail (F) by means of piston bevels (3.2) and wedge bevels (5.1), which are arranged on both sides of the guide rail (F) and are opposite each other. The brake piston (3) is configured as a cylindrical annular piston, which is loaded on one end face by the force store (2) arranged centrally in the annular piston and has on the other end face the piston ends (3.6) with the bevel faces (3.2).
    Type: Application
    Filed: December 16, 2013
    Publication date: October 1, 2015
    Applicant: CHR. MAYR GMBH + CO. KG
    Inventors: Alexander Müller, Martin Hecht, Christoph Dropmann
  • Patent number: 8550219
    Abstract: Disclosed is an electromagnetically released spring pressure brake that is to be mounted on a machine wall or similar. Said brake comprises a uniform rectangular coil support (1) with two preferably oval, adjacent coils (7, 7.1), to which two separately movable rectangular armature disks are assigned. Said armature disks apply pressure to a joint rotor encompassing two friction linings that are mounted on each side when the coils (7, 7.1) are de-energized. The rotor is axially movable on an axially toothed hub. Two respective fastening screws (9) are used for guiding each of the armature disks parallel along the central longitudinal axis (13, 13.1) thereof, on the radially largest possible diameter of the rotor. A manual lever (10) featuring manual releasing bolts is provided for each armature disk.
    Type: Grant
    Filed: April 2, 2007
    Date of Patent: October 8, 2013
    Assignee: Chr. Mayr GmbH & Co. KG
    Inventors: Johann Eberle, Gunther Klingler, Harald Weiss
  • Patent number: 8172049
    Abstract: A quiescent-current-actuated electromagnetic spring pressure brake including torque transmission sleeves disposed between a machine wall and the brake, and an axially movable armature plate having bores along its periphery to receive the torque transmission sleeves. At least one piston guide ring is provided in the area of torque transmission sleeves on the outer periphery of the latter adjacent an O-ring disposed in a groove, said piston guide ring being placed in the groove of said O-ring or in a separate groove and acting to provide a damping action in the circumferential direction and a sliding displacement of the armature plate in the axial direction.
    Type: Grant
    Filed: May 11, 2007
    Date of Patent: May 8, 2012
    Assignee: Chr. Mayr GmbH & Co. KG
    Inventors: Gunther Klingler, Harald Weiss, Christoph Dropmann
  • Patent number: 8002639
    Abstract: A torsionally rigid flexible shaft coupling, in particular, fully-steel shaft coupling, for transmitting torques between shafts, in particular shafts with axes which are offset relative to one another, having one or two plate packs (5) which are placed on flange sleeves (6) and on the latter, are clamped by means of a ring (4) against an end-side flange (65b) of the flange sleeve (6), wherein the plate packs are clamped in an alternating fashion in the peripheral direction to the sleeves (8) or second hubs (9), which face one another, by means of screws (7) which extend through the flange sleeves (6) and have nuts (2).
    Type: Grant
    Filed: March 1, 2007
    Date of Patent: August 23, 2011
    Assignee: Chr. Mayr GmbH & Co. KG
    Inventors: Fritz Mayr, Johann Huber
  • Patent number: 7921971
    Abstract: An electromagnetically released spring-loaded brake for cooperation with a motor or similar, with the manual release of the brake being effected in a tangential direction by means of a manual release lever 9, and with actuation of the manual release lever 9 causing armature disc 3 to be urged towards coil carrier 1 via three or more transmission levers 10 mounting rolls 16 and camming surfaces 14 on armature disc 3. As a result, the width of the air gap between armature disc 3 and coil carrier 1 is reduced so that rotor 6 with its hub 4 will be free to rotate between friction linings 7 on armature disc 3 and flange plate 8. The object was to create a lockable manual release feature the actuation of which requires a low manual force on manual release lever 9, is very flat and compact in structure, has a relatively small diameter and is actuated in a tangentional direction (FIG. 1).
    Type: Grant
    Filed: August 28, 2007
    Date of Patent: April 12, 2011
    Assignee: Chr Mayr GmbH & Co. KG
    Inventor: Karl Eiband
  • Patent number: 7866633
    Abstract: The invention relates to an electromagnetically ventilating spring-pressure brake for mounting on the driving disk (15) or the driving disk shaft (16) of already existing elevators, which are operated with cables passing over a driving disk. The external-mounted brake (1) is situated concentric to the central axis of the driving disk (15) or driving disk shaft (16) on a separate base (23) of the structure on the free side (i.e. opposite the driving side) of the driving disk (15) and is fastened in a stationary and rotationally fixed manner. The rotor (5) of the brake (1) is connected in an essentially rotationally fixed manner to the free end of the driving disk (15) or of the driving disk shaft (16) in order to transmit the braking torque of the external-mounted brake to the driving disk (15).
    Type: Grant
    Filed: May 17, 2006
    Date of Patent: January 11, 2011
    Assignee: Chr. Mayr GmbH & Co. KG
    Inventors: Harald Weiss, Herbert Vogt, Christoph Dropmann, Josef Eisenburger
  • Publication number: 20090166136
    Abstract: Disclosed is an electromagnetically released spring pressure brake that is to be mounted on a machine wall or similar. Said brake comprises a uniform rectangular coil support (1) with two preferably oval, adjacent coils (7, 7.1), to which two separately movable rectangular armature disks are assigned. Said armature disks apply pressure to a joint rotor encompassing two friction linings that are mounted on each side when the coils (7, 7.1) are de-energized. The rotor is axially movable on an axially toothed hub. Two respective fastening screws (9) are used for guiding each of the armature disks parallel along the central longitudinal axis (13, 13.1) thereof, on the radially largest possible diameter of the rotor. A manual lever (10) featuring manual releasing bolts is provided for each armature disk.
    Type: Application
    Filed: April 2, 2007
    Publication date: July 2, 2009
    Applicant: Chr. Mayr GmbH & Co, KG
    Inventors: Johann Eberle, Gunther Klingler, Harald Weiss
  • Publication number: 20090131179
    Abstract: The invention relates to a torsionally rigid, flexible shaft coupling, in particular fully-steel shaft coupling, for transmitting torques between shafts, in particular shafts with axes which are offset relative to one another, having one or two plate packs (5) which are placed on flange sleeves (6) and, on the latter, are clamped by means of a ring (4) against an end-side flange (6b) of the flange sleeve (6), wherein the plate packs are clamped in an alternating fashion in the peripheral direction to the sleeves (8) or second hubs (9), which face one another, by means of screws (7) which extend through the flange sleeves (6) and have nuts (2).
    Type: Application
    Filed: March 1, 2007
    Publication date: May 21, 2009
    Applicant: Chr. Mayr GmbH & Co. KG
    Inventors: Fritz Mayr, Johann Huber
  • Patent number: 7438162
    Abstract: The invention relates to a caliper brake for a brake disc, in particular for elevator drives. Said brake comprises a brake body that is mounted on a fixed bolt (7) in a floating manner (1) and a brake caliper (2) that impinges on the brake disc (3) from the outer periphery of the latter, in addition to a solenoid (14) that is integrated into the brake body (1) to electromagnetically pull a spring-loaded armature disc (4) against the brake body (1). Said armature disc (4) and the section of the brake caliper (2) lying axially opposite are equipped with friction linings (5, 6) for engaging with the two end faces of the brake disc (3).
    Type: Grant
    Filed: July 2, 2004
    Date of Patent: October 21, 2008
    Assignee: Chr. Mayr GmbH & Co., KG
    Inventor: Karl Eiband
  • Publication number: 20070107998
    Abstract: The invention relates to a coupling/brake combination, characterised in that the unit is embodied as a so-called lantern (connector piece) with integrated static current operated spring pressure brake and with a central hub (for example, a bellows coupling or a plug-in coupling or a shaft in hollow shaft) between the input side (motor) and output side (gearbox/spindle/or similar) and the brake is arranged on the output side (gearbox/spindle side). The unit is embodied such that both shaft levels from the input side (motor) and output side (gearbox/spindle/or similar) lie directly adjacent each other in the central hub such that the shortest possible length of the whole unit can be achieved.
    Type: Application
    Filed: August 2, 2004
    Publication date: May 17, 2007
    Applicant: Chr. Mayr GmbH & Co KG
    Inventors: Herbert Vogt, Johann Eberle, Ludwig Braun
  • Patent number: D574572
    Type: Grant
    Filed: July 28, 2006
    Date of Patent: August 5, 2008
    Assignee: Chr. Mayr GmbH & Co. KG
    Inventors: Guenther Klinger, Harald Weiss, Johann Eberle, Christoph Dropmann
  • Patent number: D590571
    Type: Grant
    Filed: February 20, 2008
    Date of Patent: April 14, 2009
    Assignee: Chr. Mayr GmbH & Co., KG
    Inventors: Guenther Klingler, Harald Weiss, Johann Eberle, Christoph Dropmann