Patents by Inventor Erik Backman

Erik Backman 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: 9458654
    Abstract: The present invention relates to the field of sliding door systems. The invention relates to a wheel carriage8300) for a sliding door resting in sliding track (106), comprising wheel connection means (340) adapted to removably connect a wheel shaft (331) at two connection points (341) positioned on each side of a wheel (330). The invention also relates to a method for exchanging the wheels (330) of a wheel carriage (300), by lowering a door panel and replacing the wheels (330), while the wheel carriage (300) is resting in the sliding track (106).
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: October 4, 2016
    Assignee: ASSA ABLOY Entrance Systems AB
    Inventors: Ingemar Palsson, Sven Asbo, Erik Backman
  • Patent number: 8950041
    Abstract: The present invention relates to the field of sliding door systems. The invention relates to a second wheel holder (800) enabling using a flexible number of wheels in a wheel carriage (300) for a sliding door resting in sliding track (106). The second wheel holder (800) comprises one attachment means (810) adapted to be removably attached to the first wheel connection means (340) and at least two second wheel connection means (820) each adapted to connect one wheel (330). The invention also relates to a method for exchanging the wheels (330) and of a wheel carriage (300), by lowering a door panel and replacing the wheels, by removing the second wheel holder (800), while the wheel carriage (300) is resting in the sliding track (106).
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: February 10, 2015
    Assignee: ASSA Abloy Entrance Systems AB
    Inventors: Ingemar Palsson, Sven Asbo, Erik Backman
  • Publication number: 20130205541
    Abstract: The present invention relates to the field of sliding door systems. The invention relates to a second wheel holder (800) enabling using a flexible number of wheels in a wheel carriage (300) for a sliding door resting in sliding track (106). The second wheel holder (800) comprises one attachment means (810) adapted to be removably attached to the first wheel connection means (340) and at least two second wheel connection means (820) each adapted to connect one wheel (330). The invention also relates to a method for exchanging the wheels (330) and of a wheel carriage (300), by lowering a door panel and replacing the wheels, by removing the second wheel holder (800), while the wheel carriage (300) is resting in the sliding track (106).
    Type: Application
    Filed: June 8, 2011
    Publication date: August 15, 2013
    Applicant: ASSA ABLOY ENTRANCE SYSTEMS AB
    Inventors: Erik Backman, Ingemar Palsson, Sven Asbo
  • Patent number: 4392605
    Abstract: A package, comprising: first and second package parts displaceable toward and away from one another for opening and closing the package and for adjusting the size of the package to an article to be packaged therein; the first package part having at least a first wall and the second package part having at least a second wall, the first and second walls being slidably disposed adjacent one another; the first and second walls having a plurality of cuts, the cuts defining a plurality of locking elements and forming abutment edges, transverse to the displacement directions, when any of the locking elements of the first and second parts are together pressed into a locking position, in which the pressed-in locking elements in the first package part engage abutment edges of the second package part resulting from locking elements of the second package part being pressed in; and, one of the first and second walls having an extended series of the cuts, uniformly spaced from one another, and the other of the first and se
    Type: Grant
    Filed: July 15, 1981
    Date of Patent: July 12, 1983
    Assignee: AB Volvo
    Inventor: Erik Backman