IP Library Granted Patent US 8,544,150
Granted Patent B2
US 8,544,150 · App. 13/404,497 · Granted Oct 1, 2013

Top pin door assembly

Inventors: Anthony K. Christie (Wayland, MI); John Early (Portage, MI)
Assignee: Eliason Corporation
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Quick Facts
Patent No.
US 8,544,150
App. No.
13/404,497
Granted
Oct 1, 2013
Kind
B2
Abstract

An improved top pin assembly is provided for a traffic door which is side-mountable to the door without the necessity of integrated the top pin assembly within the interior of the door panel.

Claims (26)

1. A hinge assembly for a self-closing, bidirectionally swinging door which is swingable between an open position and a normally closed position, said hinge assembly comprising:

a frame-mountable first bracket assembly comprising a frame bracket mountable on a door frame proximate an upper portion of said door, and a hinge pin projecting vertically downwardly from said frame bracket, said hinge pin defining a vertically extending pivot axis for said door and having a bottom end and a support head which defines an upward-facing, annular support ledge for rotatably supporting said door, said support ledge including support notches on opposite sides of said hinge pin;

a door-mountable second bracket assembly which is mountable to said door for suspending the door from said first bracket assembly for swinging rotation about said pivot axis, said second bracket assembly including rollers which are rotatable about a horizontally extending roller axis and are vertically supported on said support ledge of said hinge pin, said support notches receiving said rollers therein to rotationally bias said second bracket assembly to a first position corresponding to the closed position of said door, said second bracket assembly being displaceable vertically relative to said hinge pin wherein vertical displacement of said bracket assembly permits said rollers to move vertically out of said support notches during rotation of said second bracket assembly to a second position corresponding to the open position of said door supported by said second bracket assembly;

said second bracket assembly comprising first and second side brackets which each include a respective one of said rollers thereon, upper ends of said first and second side brackets each including a notch which align in opposing relation with each other to define a bore through which said hinge pin extends, said first and second side brackets being formed separate and positioned separately next to said hinge pin with said notches capturing said hinge pin therebetween with said rollers being positioned vertically on said support ledge, said first and second side brackets being secured together so that said second bracket assembly is rotatably and vertically supported in engagement with said first bracket assembly;

said second bracket assembly includes a door bracket which is mountable to said door separate from said first and second side brackets;

said first and second side brackets include a support plate which is releasably engageable with said door bracket; and

said door bracket is displaceable onto flanges of said support plate to a support position for suspending said door on said first and second side brackets.

2. The hinge assembly according to claim 1 , wherein each said roller is supported on a roller shaft on a respective one of said first and second side brackets which permits rotation of said roller relative to said hinge pin about said roller axis.

3. The hinge assembly according to claim 1 , wherein said first and second side brackets are assembled to said first bracket assembly prior to suspension of said door from said second bracket assembly.

4. The hinge assembly according to claim 1 , wherein fasteners are provided to fixedly secure said door bracket and said support plate together, said fasteners being engageable with said support plate and said door bracket after said door bracket is positioned in said support position.

5. The hinge assembly according to claim 1 , wherein said door bracket is mountable to a side face of said door.

6. The hinge assembly according to claim 5 , wherein said door bracket has a C-shape defining upper support flanges and a space therebetween, said support flanges being positioned vertically on said support plate and said first and second side brackets projecting upwardly through said space for engagement with said hinge pin.

7. A door assembly including a hinge assembly for a bidirectionally swinging door which is swingable between an open position and a normally closed position, said hinge assembly comprising:

a frame-mountable first bracket assembly comprising a frame bracket mountable on a door frame proximate an upper portion of said door, and a hinge pin projecting vertically downwardly from said frame bracket, said hinge pin defining a vertically extending pivot axis for said door and having a bottom end and a support head which defines an upward-facing, annular support ledge for rotatably supporting said door, said support ledge including support notches on opposite sides of said hinge pin;

a door-mountable second bracket assembly which is mountable to said door for suspending the door from said first bracket assembly for swinging rotation about said pivot axis, said second bracket assembly including rollers which are rotatable about a horizontally extending roller axis and are vertically supported on said support ledge of said hinge pin, said support notches receiving said rollers therein to rotationally bias said second bracket assembly to a first position corresponding to the closed position of said door, said second bracket assembly being displaceable vertically relative to said hinge in wherein vertical displacement of said bracket assembly permits said rollers to move vertically out of said support notches during rotation of said second bracket assembly to a second position corresponding to the open position of said door supported by said second bracket assembly;

said second bracket assembly comprising first and second side brackets which each include a respective one of said rollers thereon, upper ends of said first and second side brackets each including a notch which align in opposing relation with each other to define a bore through which said hinge pin extends, said first and second side brackets being formed separate and positioned separately next to said hinge pin with said notches capturing said hinge pin therebetween with said rollers being positioned vertically on said support ledge, said first and second side brackets being secured together so that said second bracket assembly is rotatably and vertically supported in engagement with said first bracket assembly; and

said second bracket assembly including a door bracket which is mounted to a door panel separate from said first and second side brackets, and said first and second side brackets including a support plate which is releasably engageable with said door bracket, said door bracket being displaceable onto flanges of said support plate to a support position for suspending said door panel on said first and second side brackets after said first and second side brackets are pre-assembled onto and supported on said hinge pin.

8. The door assembly according to claim 7 , wherein each said roller is supported on a roller shaft on a respective one of said first and second side brackets which permits rotation of said roller relative to said hinge pin about said roller axis.

9. The door assembly according to claim 7 , wherein said first and second side brackets are assembled together and rotatably secured to said first bracket assembly, and said door bracket is pre-mounted on said door panel prior to suspension of said door panel from said first and second side brackets.

10. The door assembly according to claim 9 , wherein fasteners are provided to fixedly secure said door bracket and said support plate together, said fasteners being engageable with said support plate and said door bracket after said door bracket is positioned in said support position.

11. The door assembly according to claim 10 , wherein said support plate is formed on a bottom end of said first side bracket.

12. The door assembly according to claim 11 , wherein said second side bracket includes a fastener at a lower end thereof which is affixed to said support plate after said first and second side brackets are suspended from said hinge pin.

13. The door assembly according to claim 7 , wherein a drawing member is provided for drawing said first and second side brackets sidewardly together to capture said hinge pin between said notches.

14. The door assembly according to claim 7 , wherein said door bracket is mountable to a side face of said door panel and said hinge pin is disposed sidewardly adjacent to said side face.

15. The door assembly according to claim 14 , wherein said door bracket has a C-shape defining upper support flanges and a space therebetween, said support flanges being positioned vertically on said support plate and said first and second side brackets projecting upwardly through said space for engagement with said hinge pin.

16. The door assembly according to claim 7 , wherein said door bracket has a C-shape defining upper support flanges and a space therebetween, said support flanges being positioned vertically on said support plate and said first and second side brackets projecting upwardly through said space for engagement with said hinge pin.

Assignments (10)
ASSIGNMENT OF SECURITY INTERESTS IN INTELLECTUAL PROPERTY Recorded Jul 17, 2026
From: ANTARES CAPITAL LP, AS RESIGNING AGENT, ASSIGNOR
To: CHURCHILL AGENCY SERVICES LLC, AS SUCCESSOR AGENT, ASSIGNEE
Reel/Frame 075996/0267 →
TERMINATION TO PATENT SECURITY AGREEMENT Recorded Apr 24, 2026
From: WILMINGTON TRUST, NATIONAL ASSOCIATION
To: ELIASON CORPORATION
Reel/Frame 075470/0360 →
SECURITY INTEREST Recorded Jun 2, 2020
From: ELIASON CORPORATION
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 052807/0118 →
PATENT SECURITY AGREEMENT (SECOND LIEN) Recorded May 17, 2018
From: ELIASON CORPORATION
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 046178/0773 →
PATENT SECURITY AGREEMENT (FIRST LIEN) Recorded May 16, 2018
From: ELIASON CORPORATION
To: ANTARES CAPITAL LP, AS AGENT
Reel/Frame 046172/0236 →
RELEASE OF SECURITY INTEREST Recorded May 15, 2018
From: GOLUB CAPITAL MARKETS LLC (FKA GCI CAPITAL MARKETS LLC)
To: ELIASON CORPORATION
Reel/Frame 045811/0498 →
SECURITY INTEREST Recorded Sep 23, 2014
From: ELIASON CORPORATION
To: GCI CAPITAL MARKETS LLC, AS ADMINISTRATIVE AGENT
Reel/Frame 033802/0156 →
RELEASE OF SECURITY INTEREST Recorded Sep 23, 2014
From: GCI CAPITAL MARKETS LLC, AS ADMINISTRATIVE AGENT
To: ELIASON CORPORATION
Reel/Frame 033802/0203 →
SECURITY AGREEMENT Recorded Nov 16, 2012
From: ELIASON CORPORATION
To: GCI CAPITAL MARKETS LLC, AS ADMINISTRATIVE AGENT
Reel/Frame 029310/0994 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 15, 2012
From: CHRISTIE, ANTHONY K.; EARLY, JOHN
To: ELIASON CORPORATION
Reel/Frame 028788/0549 →
Continuity (2)
Provisional Application 61463985 · Feb 25, 2011
Related Publication 20120297578A1 · Nov 29, 2012