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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}
}

Patent:

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