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Title: Egress door opening assister

Abstract

A door opening spring assistance apparatus is set forth that will automatically apply a door opening assistance force using a combination of rods and coil springs. The release of the rods by the coil springs reduces the force required to set the door in motion.

Inventors:
Issue Date:
Research Org.:
Savannah River Site (SRS), Aiken, SC (United States). Savannah River Technology Center (SRTC)
Sponsoring Org.:
USDOE
OSTI Identifier:
1222635
Patent Number(s):
9151099
Application Number:
13/666,144
Assignee:
Savannah River Nuclear Solutions, LLC (Aiken, SC)
Patent Classifications (CPCs):
E - FIXED CONSTRUCTIONS E05 - LOCKS E05F - DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION
E - FIXED CONSTRUCTIONS E05 - LOCKS E05Y - INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
DOE Contract Number:  
AC09-08SR22470
Resource Type:
Patent
Resource Relation:
Patent File Date: 2012 Nov 01
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING

Citation Formats

Allison, Thomas L. Egress door opening assister. United States: N. p., 2015. Web.
Allison, Thomas L. Egress door opening assister. United States.
Allison, Thomas L. Tue . "Egress door opening assister". United States. https://www.osti.gov/servlets/purl/1222635.
@article{osti_1222635,
title = {Egress door opening assister},
author = {Allison, Thomas L.},
abstractNote = {A door opening spring assistance apparatus is set forth that will automatically apply a door opening assistance force using a combination of rods and coil springs. The release of the rods by the coil springs reduces the force required to set the door in motion.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2015},
month = {10}
}

Works referenced in this record:

Piston assembly for door closer
patent, April 1977


Door assister
patent, August 1977


Door closer assembly
patent, December 1983


Latch device
patent, December 1987


Automatic touch actuated door opener
patent, March 1988


Refrigerator door biasing mechanism
patent, June 1993


Latching hinge
patent, January 1994


Automobile door opening apparatus
patent, December 1994


Refrigerator door opening/closing apparatus
patent, December 1996


Impact resistant electromagnetic lock
patent, June 1998


Door opening device for food storage apparatus such as refrigerator
patent, January 2002


Electromagnetic door lock system
patent, August 2003


Door opener assist device
patent, March 2004


Door actuation systems using active materials
patent, August 2010


Security door and frame construction
patent, September 2010


Door actuation systems
patent, July 2011


Hinge for a roof window with a pivot sash
patent, February 2012