Patents Assigned to Sordin AB
  • Patent number: 9414965
    Abstract: The present disclosure relates to a height adjustment arrangement (100) for an ear cup in a hearing protector unit, wherein the height adjustment arrangement (100) comprises an elongated member (130) and a tubular holding member (110) connected to the elongated member, wherein the holding member provides a substantially hollow interior (111). The height adjustment arrangement further comprises a clamping member (120), wherein the clamping member is arranged to be moved from an unlocked position, in which position relative movement between the elongated member (130) and the holding member (110) is enabled, to a locking position, in which position relative movement between the elongated member and the holding member is prevented. The holding member (110) comprises a first locking member (114), wherein the second end of the holding member is provided with two flanges (115a, 115b) tapering in a direction towards the clamping member, and wherein the first locking member and the flanges are axially separated.
    Type: Grant
    Filed: October 7, 2011
    Date of Patent: August 16, 2016
    Assignee: MSA SORDIN AB
    Inventors: Anders Roos, Thomas Isaksson
  • Patent number: 8649525
    Abstract: A system for hearing protection comprising an outer hearing protection unit, an inner hearing protection unit, and an outer microphone is disclosed, the inner hearing protection unit comprising a speaker and the microphone being arranged to be electrically connectable for transmission of signals to the speaker.
    Type: Grant
    Filed: September 24, 2008
    Date of Patent: February 11, 2014
    Assignee: MSA Sordin AB
    Inventor: Joakim Birgersson
  • Publication number: 20130340769
    Abstract: The present disclosure relates to a height adjustment arrangement (100) for an ear cup in a hearing protector unit, wherein the height adjustment arrangement (100) comprises an elongated member (130) and a tubular holding member (110) connected to the elongated member, wherein the holding member provides a substantially hollow interior (111). The height adjustment arrangement further comprises a clamping member (120), wherein the clamping member is arranged to be moved from an unlocked position, in which position relative movement between the elongated member (130) and the holding member (110) is enabled, to a locking position, in which position relative movement between the elongated member and the holding member is prevented. The holding member (110) comprises a first locking member (114), wherein the second end of the holding member is provided with two flanges (115a, 115b) tapering in a direction towards the clamping member, and wherein the first locking member and the flanges are axially separated.
    Type: Application
    Filed: October 7, 2011
    Publication date: December 26, 2013
    Applicant: MSA Sordin AB
    Inventors: Anders Roos, Thomas Isaksson
  • Patent number: 8360068
    Abstract: Example embodiments relate to an ear cup for use in a hearing protector unit including two ear cups, and a device to fasten the hearing protector unit to a wearer' s head, the device being connected to the ear cups. The ear cup may include a cup portion with a support surface; and a sealing device, placed against the support surface of the cup portion and intended to bear against a wearer' s head in an area around an ear of the wearer.
    Type: Grant
    Filed: January 23, 2007
    Date of Patent: January 29, 2013
    Assignee: MSA Sordin AB
    Inventors: Anders Roos, Joakim Birgersson
  • Patent number: 8223984
    Abstract: A system for forming hearing protectors, an ear cup of such a system and a hearing protector formed from such a system. The system includes a number of first ear cups and a number of second ear cups, the first and second ear cups having noise-reducing spaces of different size, and at least one electronic unit with at least one speaker. This system allows the same type of electronic unit to be used for ear cups with different degrees of noise attenuation.
    Type: Grant
    Filed: February 6, 2008
    Date of Patent: July 17, 2012
    Assignee: MSA Sordin AB
    Inventors: Anders Roos, Joakim Birgersson, Håkan Davidsson
  • Publication number: 20100189277
    Abstract: A system for hearing protection comprising an outer hearing protection unit, an inner hearing protection unit, and an outer microphone is disclosed, the inner hearing protection unit comprising a speaker and the microphone being arranged to be electrically connectable for transmission of signals to the speaker.
    Type: Application
    Filed: September 23, 2008
    Publication date: July 29, 2010
    Applicant: MSA SORDIN AB
    Inventor: Joakim Birgersson
  • Patent number: D541483
    Type: Grant
    Filed: March 29, 2005
    Date of Patent: April 24, 2007
    Assignee: Sordin AB
    Inventors: Joakim Birgersson, Emil Marklund, Håkan Davidsson, Anders Roos
  • Patent number: D541484
    Type: Grant
    Filed: March 29, 2005
    Date of Patent: April 24, 2007
    Assignee: Sordin AB
    Inventors: Joakim Birgersson, Emil Marklund, Håkan Davidsson, Anders Roos
  • Patent number: D541485
    Type: Grant
    Filed: March 29, 2005
    Date of Patent: April 24, 2007
    Assignee: Sordin AB
    Inventors: Joakim Birgersson, Emil Marklund, Håkan Davidson, Anders Roos
  • Patent number: D497608
    Type: Grant
    Filed: February 14, 2003
    Date of Patent: October 26, 2004
    Assignee: Sordin AB
    Inventor: Joakim Birgersson