GB1342364A - Frame structures for heavy road vehicles - Google Patents

Abstract

1342364 Road vehicle frames; bodies MOULTON DEVELOPMENTS Ltd 22 April 1971 [28 April 1970] 20343/70 Headings B7D and B7B A tubular frame structure for a motor coach includes a main backbone, Fig. 1, of skeletal form which is quadrilateral in transverse crosssection and comprises upper longerons 1, 2, lower longerons 3, 4, respective cruciform structures 5, 6 bracing apart the upper and lower longerons and forming top and bottom loadbearing decks of the backbone, triangulated struts 7 extending between the upper and lower longerons on each side and adjoining the longerons at the same points as the cruciform structures 5, 6, and diagonal struts or V- brackets positioned near the ends of backbone to resist lozenging of the structure. Brackets 35, Fig. 7, for wheel suspension linkages are carried by the struts 7. Skeletal peripheral structures which extend the top deck of the backbone to form a load-bearing floor across the width of the vehicle include peripheral rails 20 connected by struts to the lower longerons 3, 4. A superstructure for supporting coachwork in the form of cladding and glazing includes rails 31, 32, 33 extending between hoops 30 which are connected to the peripheral rails 20 and extend downwardly to joint the lower longerons 3, 4.