Patents by Inventor Ivan Rajic

Ivan Rajic 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).

  • Publication number: 20220228416
    Abstract: The disclosure relates to a sliding door operator system (1) for opening and closing an opening (2), comprising: a track (3) configured to be mounted at an upper part (21) of the opening (2), one or more sliding door(s) 10 slidably connected to the track (3) and comprising a door leaf (4) configured to be moved along the track (3) between an open (o) and closed (c) position, and a drive unit (5) mounted on the door leaf (4), moveably connected to the track (3) and arranged to move the door leaf (4) between the closed position (c) and the open position (o). The disclosure further relates to a drive unit (5) for moving a sliding door leaf (4) between an open and a closed position (O, C) and a control system (11) for regulating one or more sliding door (10).
    Type: Application
    Filed: May 12, 2020
    Publication date: July 21, 2022
    Inventors: Roger DRYER, Patrik LERPARD, Ivan RAJIC, Jonatan NILSSON, David ANDERSSON, Jonas BLOMQVIST, Meher Chaitanya KAMARAJU, Suhas SRINIVAS, Zoltan MICHIS
  • 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
  • Patent number: 10138098
    Abstract: Disclosed is a draw-works and a method of operation. The draw-works includes a first drum configured to store and reel in an elongated hoisting member, such as a hoisting cable, a second drum configured to store and reel in the elongated hoisting member, and a rotation device configured to rotate the first and second drums, wherein at least one of the drums is selectively connectable to and disconnectable from the rotation device.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: November 27, 2018
    Assignee: National Oilwell Varco Norway AS
    Inventors: Rune Sørensen, Timothy Watson, Ivan Rajic
  • Publication number: 20180160799
    Abstract: The present invention relates to a height adjustable desktop stand. The height adjustable desktop stand comprises: a platform (2); a first and a second leg element (4, 7) pivotally connected to each other forming a configuration as a pair of scissors, wherein the first leg element (4) at a first end (6) thereof is pivotally connected to the platform (2), and wherein the second leg element (7) at a first end (9) thereof is adapted to be connected to the platform (2) via a locking arrangement (10) having a plurality of locking positions; and a spring element (14; 18; 24) connected between on the one hand the second leg element (7) and on the other hand the first leg element (4) or the platform (2) and being adapted to force the first end (9) of the second leg element (7) in a direction towards the first end (6) of the first leg element (4).
    Type: Application
    Filed: June 7, 2016
    Publication date: June 14, 2018
    Applicant: FREEDESK AB
    Inventors: Stefan WESTERGÅRD, Lasse ANDERSEN, Martin STARK, Anders HEGARDT, Samuel FORSLUND, Ivan RAJIC
  • Publication number: 20160289052
    Abstract: Disclosed is a draw-works and a method of operation. The draw-works includes a first drum configured to store and reel in an elongated hoisting member, such as a hoisting cable, a second drum configured to store and reel in the elongated hoisting member, and a rotation device configured to rotate the first and second drums, wherein at least one of the drums is selectively connectable to and disconnectable from the rotation device.
    Type: Application
    Filed: March 18, 2016
    Publication date: October 6, 2016
    Inventors: Rune SØRENSEN, Timothy Watson, Ivan Rajic