Vaughn Terrey Hawthorne
Engineering at Pleasant Hl Ln, Lisle, IL
License number
Louisiana PE.0022781
Issued Date
Jun 2, 1987
Expiration Date
Sep 30, 2001
Category
Civil Engineer
Type
Mechanical Engineer
Address
Address
1948 Pleasant Hill Ln, Lisle, IL 60532
Professional information
Railcar Truck Bearing Adapter Construction
US Patent:
5746137, May 5, 1998
Filed:
Aug 20, 1996
Appl. No.:
8/700301
Inventors:
Vaughn Terrey Hawthorne - Lisle IL
Charles P. Spencer - Staunton IL
Terry L. Pitchford - St. Louis MO
Charles P. Spencer - Staunton IL
Terry L. Pitchford - St. Louis MO
Assignee:
Amsted Industries Incorporated - Chicago IL
International Classification:
B61F 500
US Classification:
105219
Abstract:
An integrally cast bearing adapter arrangement is provided in the pedestal of a railcar truck side frame, which side frame is cast with a pedestal jaw having a roof, and vertical walls of a first and second leg which roof and walls operate as a bearing adapter to receive and grasp a bearing assembly outer surface at a horizontal diameter of the bearing assembly for an axle end without introducing the manufacturing and assembly tolerances from discrete component assemblies, thereby avoiding the lateral displacement associated with the added tolerances and operating to minimize angular displacement between each mated axle and side frame.
Dynamically Stable, Lightweight Railcar Support System
US Patent:
5746136, May 5, 1998
Filed:
Sep 13, 1996
Appl. No.:
8/713987
Inventors:
Vaughn Terrey Hawthorne - Lisle IL
Charles P. Spencer - Staunton IL
Terry L. Pitchford - St. Louis MO
Charles P. Spencer - Staunton IL
Terry L. Pitchford - St. Louis MO
Assignee:
Amsted Industries Incorporated - Chicago IL
International Classification:
B61F 500
US Classification:
1051993
Abstract:
A freight railcar undercarriage constant-contact sidebearing arrangement provides a load force transfer mechanism with a more direct or less redundant force transfer path between the railcar body with its lading and the sideframe and wheels of a truck assembly, which system obviates the present use of a bolster center plate structure for load transfer, carries all the load forces through the side bearing assemblies, fulfills the dynamic operating requirements of the American Association of Railroads standards, reduces the weight of the railcar while maintaining the load-carrying capacity, and is particularly adaptable to three-piece truck assemblies in broad use on freight railcars.