Inventors:
Robert W. MacDonnell - Crete IL
Otto A. Shander - Chicago Heights IL
Assignee:
R. W. Mac Company - Crete IL
International Classification:
B61F 112
B61F 504
B61F 550
F16B 4302
Abstract:
Bolster re-enforcement systems, applicable both to new and existing bolster designs, provide for pre-stressing the bottom bolster center plate region utilizing lugs transmitting tension forces in opposition to the stress pattern applied to the center region of the bolster as the result of vertical loading associated with normal operating conditions.