Patent ID: 11897569
Assignee: PIAGGIO & C. SPA
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A saddle-riding vehicle comprising:
an engine assembly and a frame to which is connected said engine assembly, wherein said frame comprises:
a steering tube to which a steering assembly that controls a front wheel is pivotally connected;
a central part to which is hinged a first end of a fork which also comprises a second end pivotally connected to a rear wheel; and
a front part extending between said steering tube and said central portion, wherein said front part comprises a first frame side and a second frame side separated in the direction of a width of the vehicle, wherein said frame sides are made of a first metallic material having a first modulus of elasticity; and

a first plate connecting said engine assembly to said first frame side and a second plate connecting said engine assembly to said second frame side, said plates being made of a second metallic material having a second modulus of elasticity lower than said first modulus of elasticity of said first metallic material,
wherein said front part of said frame comprises first portions extending from said steering tube to corresponding second portions,
wherein said second portions extend between said corresponding first portions and said central part of said frame,
wherein said second portions have a mono-component configuration and wherein said first portions have a lattice configuration,
wherein each of said first and second plates connects a component of said first portion of a corresponding frame side to a portion of a cylinder head and/or of an engine block of said engine assembly.