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(11)    Patent No :    AP 2558   
(21)    Application No :    AP/P/2009/004925   
(22)    Filing Date :    20.12.2007   
(24)    Date of Grant &    18.01.2013   
(45)    Publication :

(30)  Priority Data       
(33) Country    (31) Number    (32) Date
US    60/871,075    20.12.2006
(84)    Designated State

BW    GM    GH    KE    LS    MW  MZ   NA   SL
SD    SZ    T Z    UG    ZM    ZW

(73) Applicant(s)

RAILRUNNER N.A., INC., 430 Bedford Street, Suite 370,

Lexington, Massachusetts 02420,
United States of America
(72) Inventors

GRAAFF Wolfgang, United States of America

GRAVELAND Marieno P, United States of America

DILUIGI Michael W, United States of America

et al

(74) Representative


(51)  International  Classification   B60F 1/04 (2006.01)    B60P 1/64 (2006.01)
(54)    Title

Bimodal container chassis

(57)    Abstract

The disclosure provides a bimodal container chassis of differing lengths in a gooseneck type as well as a flat beam type for supporting ISO and domestic containers and other cargo during highway as well as railway transit. The bimodal container chassis has a front end equipped with a king-pin for connecting to a tractor and a re ar end equipped with braking and suspension components, axles, wheels and tires, which make the bimodal container chassis suitable for road transport. The bimodal container chassis has front and rear ends for connecting, and thereby suspending, the bimodal container chassis including but not limited to its payload between two rail bogies, which make the bimodal container chassis suitable for rail transit. The bimodal container chassis is constructed of sufficient strength and stiffness to withstand in-train forces of 400,000 pounds tension and compression, yet the bimodal container chassis is constructed of reasonable weight for being competitive and complying with bridge laws as well as other highway regulations

(56)    Documents Cited :    US-4817537 A    EP -0320420 A


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