Patents by Inventor Ola AHLQVIST

Ola AHLQVIST 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).

  • Patent number: 11384579
    Abstract: A guiding assembly (300) for guiding a sliding door leaf (101) movable along a sliding door rail (110) is provided. The guiding assembly (300) comprises a bogie (130) having a first end (132) being provided with a first steering member (136) and a second steering member (138), and an opposite end (134) comprising at least one guiding element (122) being engaged with the sliding door rail (110), wherein the bogie (130) is connected to the sliding door leaf (101). The guiding assembly (300) further comprises a guiding rail (140) having first end section (140a) and a second end section (140b). The bogie (130) is configured to pivot relative the sliding door leaf (101) as the second steering member (138) travels along the guiding rail (140).
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: July 12, 2022
    Assignee: Assa Abloy Entrance Systems AB
    Inventors: Roger Dreyer, Ola Ahlqvist, Ivan Rajic
  • Patent number: 11326385
    Abstract: A door operating assembly (100) for operating a sliding door leaf (101) driven by a drive unit (112) along a sliding door rail (110), said door operating assembly (100) comprising a door bracket (150) configured to position the door leaf (101) relative the rail (110), a drive member (170) adapted to be driven by the drive unit (112), and a lever arm (160) having one end (161) pivotally connected to the drive member (170) and a remote portion (167) pivotally connected to the door bracket (150) via a cam structure (194) such that the vertical position of the door leaf (101) relative the rail (110) varies when the lever arm (170) pivots.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: May 10, 2022
    Assignee: Assa Abloy Entrance Systems AB
    Inventors: Roger Dreyer, Ivan Rajic, Ola Ahlqvist
  • Publication number: 20200386025
    Abstract: A guiding assembly (300) for guiding a sliding door leaf (101) movable along a sliding door rail (110) is provided. The guiding assembly (300) comprises a bogie (130) having a first end (132) being provided with a first steering member (136) and a second steering member (138), and an opposite end (134) comprising at least one guiding element (122) being engaged with the sliding door rail (110), wherein the bogie (130) is connected to the sliding door leaf (101). The guiding assembly (300) further comprises a guiding rail (140) having first end section (140a) and a second end section (140b). The bogie (130) is configured to pivot relative the sliding door leaf (101) as the second steering member (138) travels along the guiding rail (140).
    Type: Application
    Filed: April 23, 2018
    Publication date: December 10, 2020
    Inventors: Roger DREYER, Ola AHLQVIST, Ivan RAJIC
  • Publication number: 20200123837
    Abstract: A door operating assembly (100) for operating a sliding door leaf (101) driven by a drive unit (112) along a sliding door rail (110), said door operating assembly (100) comprising a door bracket (150) configured to position the door leaf (101) relative the rail (110), a drive member (170) adapted to be driven by the drive unit (112), and a lever arm (160) having one end (161) pivotally connected to the drive member (170) and a remote portion (167) pivotally connected to the door bracket (150) via a cam structure (194) such that the vertical position of the door leaf (101) relative the rail (110) varies when the lever arm (170) pivots.
    Type: Application
    Filed: April 23, 2018
    Publication date: April 23, 2020
    Inventors: Roger DREYER, Ivan RAJIC, Ola AHLQVIST