Parallelogram Type Patents (Class 160/136)
  • Patent number: 11649667
    Abstract: Provided is an adjustable barrier having a central hinge having a cylindrical post and an axis of rotation; a first expandable section coupled to the cylindrical post of the central hinge by at least a first connector; and a second expandable section coupled to the cylindrical post of the central hinge by at least a second connector. At least one of the first and second expandable sections is configured to articulate around the axis of rotation of the central hinge forming an articulation angle between the first and second expandable sections.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: May 16, 2023
    Inventor: Peter Zwierzykowski
  • Patent number: 10920485
    Abstract: Provided is an adjustable barrier having a central hinge having a cylindrical post and an axis of rotation; a first expandable section coupled to the cylindrical post of the central hinge by at least a first connector; and a second expandable section coupled to the cylindrical post of the central hinge by at least a second connector. At least one of the first and second expandable sections is configured to articulate around the axis of rotation of the central hinge forming an articulation angle between the first and second expandable sections.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: February 16, 2021
    Inventor: Peter Zwierzykowski
  • Patent number: 10619408
    Abstract: A variable width gate adapted to be manipulated to secure the gate within the boundary of an opening, the gate comprising two gate members mounted for sliding movement with respect to each other and each having a lever associated therewith and a releasable locking member for locking the respective levers with respect to relative motion therebetween.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: April 14, 2020
    Assignee: EVENFLO COMPANY, INC.
    Inventor: David R. Sander
  • Patent number: 10472883
    Abstract: Provided is an adjustable barrier having a central hinge having a cylindrical post and an axis of rotation; a first expandable section coupled to the cylindrical post of the central hinge by at least a first connector; and a second expandable section coupled to the cylindrical post of the central hinge by at least a second connector. At least one of the first and second expandable sections is configured to articulate around the axis of rotation of the central hinge forming an articulation angle between the first and second expandable sections.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: November 12, 2019
    Inventor: Peter Zwierzykowski
  • Patent number: 9051770
    Abstract: A barrier has an expandable width barrier having opposing first and second ends. A locking arm is pivotably coupled to the expandable width barrier at the first end and slidably coupled to the expandable width barrier at the second end. The locking arm may be an adjustable-length construction. The pivoting of the locking arm causes the barrier to move between locked and unlocked states. When the locking arm is pivoted to lock the barrier, it causes the barrier to linearly expand a supplemental amount and fits the barrier to opposing sides of a passageway opening.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: June 9, 2015
    Assignee: Munchkin, Inc.
    Inventors: Adam John Yates, Steven Bryan Dunn, Mark A. Hatherill, Rodolfo Gastelum, Thomas Birkert
  • Patent number: 8863811
    Abstract: A gate has an expandable barrier and a horizontal rail located at a top of the barrier. A post may be coupled to the barrier and may have a portion extending above the horizontal rail. A lock is movably coupled to the post above the rail to provide for the locking and unlocking of the gate.
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: October 21, 2014
    Assignee: Munchkin, Inc.
    Inventors: Adam John Yates, Steven B. Dunn, Mark A. Hatherill, Rodolfo Gastelum, Thomas Birkert
  • Patent number: 8839590
    Abstract: A method for dampening acoustical vibration within a room including providing a grid formed of a plurality of cells defined by panels made from a flexible or deformable material which do not intersect one another such that the grid can be collapsed and expanded in a parallelogram motion. The grid can be positioned above floor level to attenuate acoustical sound within the room.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: September 23, 2014
    Assignee: FF Walls, LLC
    Inventor: Calvin Jay Kortman
  • Publication number: 20140034252
    Abstract: An improved hunting blind having a mirrored outwardly facing surface and a camouflaged inwardly facing surface. The blind includes four panels that are hingedly connected together with invisible hinges for allowing the blind to be foldably compacted in the manner of an accordion for conveniently storing and transporting the blind. The top edge of the blind is formed with an irregular, zig-zag shaped contour for allowing the blind to blend in with a natural surrounding environment. When the blind is expanded and erected for use, the mirrored front surface of the blind is tilted forward. A game animal looking onto the front of the blind from a distance therefore sees only a reflection of the terrain surrounding the blind, thereby making the blind substantially indiscernible from the surrounding terrain and effectively obscuring a hunter positioned behind the blind.
    Type: Application
    Filed: October 10, 2013
    Publication date: February 6, 2014
    Applicant: GhostBlind Industries, Inc.
    Inventors: Kevin L. Pottmeyer, Chester W. Burdette
  • Publication number: 20130312918
    Abstract: The present invention relates to a device for the protection of living beings and objects from being buried in bulk material, a method for assembling said device and uses employing this device.
    Type: Application
    Filed: February 10, 2012
    Publication date: November 28, 2013
    Applicant: Südzucker Aktiengesellschaft Mannheim/Ochsenfurt
    Inventor: Johann Trenkler
  • Patent number: 8534343
    Abstract: Disclosed herein is a folding security window, in which an end of the security window is mounted to a window sill, the other end of the security window is connected to a window, a height-adjustable movable part is mounted to a vertical pole of the security window, a connecting means for connecting or disconnecting the security window to or from the window is provided, and the folded security window is not exposed to the outside. When the window is opened or closed, the security window is unfolded or folded, so that the security window does not spoil the appearance of the city. The movable parts mounted to upper and lower ends of the vertical pole enhance the adaptability and movability of the security window. The security window efficiently performs its original function without hindering ventilation, views, or light admittance.
    Type: Grant
    Filed: April 21, 2010
    Date of Patent: September 17, 2013
    Inventor: Na Hyong Yl
  • Publication number: 20100116442
    Abstract: An improved hunting blind having a mirrored outwardly facing surface and a camouflaged inwardly facing surface. The blind includes four panels that are hingedly connected together with invisible hinges for allowing the blind to be foldably compacted in the manner of an accordion for conveniently storing and transporting the blind. The top edge of the blind is formed with an irregular, zig-zag shaped contour for allowing the blind to blend in with a natural surrounding environment. When the blind is expanded and erected for use, the mirrored front surface of the blind is tilted forward. A game animal looking onto the front of the blind from a distance therefore sees only a reflection of the terrain surrounding the blind, thereby making the blind substantially indiscernible from the surrounding terrain and effectively obscuring a hunter positioned behind the blind.
    Type: Application
    Filed: November 10, 2009
    Publication date: May 13, 2010
    Applicant: GHOSTBLIND INDUSTRIES, INC.
    Inventors: Kevin L. Pottmeyer, Chester W. Burdette
  • Patent number: 7494111
    Abstract: A collapsible barrier system that is lightweight and meets existing safety regulations is disclosed. The barrier system has support members that are hinged to form a three dimensional structure. The structure may also have handles used in deployment and transportation of the barrier and vertical posts that support a web providing both additional structure as well as a message medium. The system can be used in a variety of temporary barrier applications both indoors and outdoors and may be enhanced with audio and/or illuminated signals.
    Type: Grant
    Filed: October 4, 2004
    Date of Patent: February 24, 2009
    Assignee: Flex-Safe, Inc.
    Inventor: Brent Short
  • Patent number: 6202729
    Abstract: A wall mount, pet/child excluder installed within the wall (pocket) of a room, or the exterior of a wall, with an extendible gate which travels from a stored position out across a doorway. A standard, vertical wall stud is modified to accept the rear of the excluder unit. The unit is installed in the pocket and fixed to the interior studs. A front wall stud is modified to allow the excluder unit to extend out across the doorway. A second embodiment is an externally mounted excluder unit contained within its own pocket.
    Type: Grant
    Filed: June 28, 1999
    Date of Patent: March 20, 2001
    Inventor: George C. Cunningham
  • Patent number: 5692551
    Abstract: This invention is a window security guard that can be mounted by a do it yourself individual in a window. The security guard is designed so that it can be decorated to meet the decor of the room where it is placed. The security guard has a collapsible grill that is placed in the window to keep burglars from entering the home. The grill is collapsible so that the security guard can easily be pushed aside and a person can escape through the window in times of emergency. The collapsible grill is attached to a mounting member that has a rectangular box-like shape that can be easily bolted to the wall at the side of the window. On the other side of the window the locking member can be easily bolted to the inside wall. The grill contains a simple locking device that is a bar attached to the grill with an opening in the end. The bar fits through an opening in the locking member and telescopes into an U-shape locking bracket within the locking member.
    Type: Grant
    Filed: September 7, 1993
    Date of Patent: December 2, 1997
    Inventors: JoAnn Blunt, Nannie M. P. F. Cunningham, Kathleen J. Konnert
  • Patent number: 5535803
    Abstract: A security grille is provided of the type in which a series of tubular uprights are interconnected by transverse link members so as to provide an expandable and contractible grille. The tubular uprights have slots for guiding and locating transverse studs at the free ends of the link members. The slots are defined by inserts which are plastic mouldings fitted into apertures cut in the wall of the tubular uprights. The fittings have closed inner ends and form a total closure to the aperture to prevent the ingress of dirt and moisture. The inserts also have peripheral flanges of a substantially convex outer shape to prevent fouling thereof by the link members.
    Type: Grant
    Filed: March 16, 1994
    Date of Patent: July 16, 1996
    Inventor: Izak J. Pretorius
  • Patent number: 4986592
    Abstract: An anti-glare device for motor vehicles including two profiled strips extending parallel and each having a respective pin receiving generally dovetail shaped groove extending along its length. A plurality of slats extend between the profiled strips. Each slat includes a respective pin at each opposite end for reception in the profiled strip grooves and the pins being pivotable in the grooves for pivoting all of the slats to respective use and non-use positions. The pins at the end of the slats are shaped to the grooves in the profiled strips, with one pin being on one surface of the slat and the other pin being on the opposite surface of the slat and the grooves being correspondingly oriented. A spacer is positioned in the groove between adjacent pins and the pins are detented on the spacers particularly into the non-use position. A blocking element at the end of the first and last slats keeps them in the grooves.
    Type: Grant
    Filed: February 12, 1990
    Date of Patent: January 22, 1991
    Assignee: Gebr. Happich GmbH
    Inventors: Klaus P. Kaiser, Lothar Viertel, Patrick Welter
  • Patent number: 4816310
    Abstract: A collapsible structure is provided comprising pairs of parallel posts interconnected by pairs of expansion link-like connecting rods. Connecting rods of each pair have their centers pivotably connected, wherein their outer ends are pivotably connected with the corresponding posts and wherein at least one outer end of each rod is slideable along the corresponding post. The pairs of parallel posts can be superimposed while corresponding posts are at their meeting ends hingedly connected for a zig-zag-like or an accordion-like collapsability in the vertical plane. Further pairs of parallel posts can be laterally positioned while adjoining posts of adjoining pairs of posts are hingedly connected for a substantial change in the angle enclosed by the planes extending through said pairs of posts.
    Type: Grant
    Filed: March 30, 1987
    Date of Patent: March 28, 1989
    Inventor: Hendrikus M. T. Truyens
  • Patent number: 4723587
    Abstract: An expansible baby gate having a main lazy-tong barrier formed of intersecting and pivotally connected first and second main slats which form V-shaped openings between the slats along the top edge portion of the barrier. A supplementary upper barrier, including a plurality of shorter auxiliary slats pivotally connected to each other and to the main slats for occluding the V-shaped openings in the top edge portion of the main barrier.
    Type: Grant
    Filed: March 13, 1986
    Date of Patent: February 9, 1988
    Assignee: Madison Mill, Inc.
    Inventor: Julian C. Scruggs, Jr.
  • Patent number: 4669521
    Abstract: A children'expandable, accordian-type gate is disclosed which includes safety features for closing off the open, upper V-shaped openings of the latticework of the gate, which latticework is comprised of a first series of slats parallel to each, and a second series of salts parallel to each other but angularly oriented differently from the first series. The upper V-shaped openings are closed off by upper extensions of the slats forming the boundaries of the V-shaped openings, which extensions project above the two, mutually-pivoted upper slat-ends from two adjacent V-shaped openings.
    Type: Grant
    Filed: August 11, 1986
    Date of Patent: June 2, 1987
    Assignee: Worldsbest Industries, Inc.
    Inventors: Garrison C. Barnes, Russell H. Bullard, Robert C. Weber
  • Patent number: 4006768
    Abstract: A security screen is provided, adapted to be applied inside windows, doors or the like, to be kept hidden from view when not in use, and which is of the type that has vertical bars that are connected by angular links, and with the screens generally being provided in pairs, for latching and locking at about the center of a window or door with respect to which security is desired. Particularly unique adjustability and versatility features are embodied in the screen, and security fasteners are used to fasten components together.
    Type: Grant
    Filed: November 22, 1974
    Date of Patent: February 8, 1977
    Assignee: Blumcraft of Pittsburgh
    Inventor: William J. Horgan, Jr.