CA2492719A1 - Counterbalanced deck for railroad freight car - Google Patents

Counterbalanced deck for railroad freight car Download PDF

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Publication number
CA2492719A1
CA2492719A1 CA002492719A CA2492719A CA2492719A1 CA 2492719 A1 CA2492719 A1 CA 2492719A1 CA 002492719 A CA002492719 A CA 002492719A CA 2492719 A CA2492719 A CA 2492719A CA 2492719 A1 CA2492719 A1 CA 2492719A1
Authority
CA
Canada
Prior art keywords
pair
deck
side walls
counterbalanced
pivot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002492719A
Other languages
French (fr)
Other versions
CA2492719C (en
Inventor
James J. Jarvis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gunderson LLC
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US10/401,153 external-priority patent/US7055441B2/en
Application filed by Individual filed Critical Individual
Publication of CA2492719A1 publication Critical patent/CA2492719A1/en
Application granted granted Critical
Publication of CA2492719C publication Critical patent/CA2492719C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance

Abstract

A railroad car includes a body having a pair of side walls and at least a pair of parallel horizontal support beams extending along the side walls at substantially the same height. A movable end portion of a deck built as a lightweight composite structure may pivot with respect to the pair of support beams. A
respective counterbalance apparatus is arranged between each of the pair of side walls and the movable deck portion at a location spaced apart from the pivot axis so as to provide a lifting force acting on the movable end portion to urge it to pivot upward about the pivot axis.
CA002492719A 2003-03-27 2004-02-18 Counterbalanced deck for railroad freight car Expired - Fee Related CA2492719C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/401153 2003-03-27
US10/401,153 US7055441B2 (en) 2003-03-27 2003-03-27 Counterbalanced deck for railroad freight car
CA002455957A CA2455957C (en) 2003-03-27 2004-02-18 Counterbalanced deck for railroad freight car

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002455957A Division CA2455957C (en) 2003-03-27 2004-02-18 Counterbalanced deck for railroad freight car

Publications (2)

Publication Number Publication Date
CA2492719A1 true CA2492719A1 (en) 2004-05-03
CA2492719C CA2492719C (en) 2009-07-07

Family

ID=34378584

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002492719A Expired - Fee Related CA2492719C (en) 2003-03-27 2004-02-18 Counterbalanced deck for railroad freight car

Country Status (1)

Country Link
CA (1) CA2492719C (en)

Also Published As

Publication number Publication date
CA2492719C (en) 2009-07-07

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed