| 摘要 |
A modular cab/sleeper/roof structural assembly for a truck-tractor vehicle according to the present invention provides greater manufacturing flexibility and unrestricted access between a cab/sleeper unit. The structural assembly includes a top-free cab unit having a front wall, opposing side walls, and a bottom portion. A top-free sleeper unit positioned behind the cab unit has a rear wall, opposing side walls, and a bottom portion. Fasteners couple the cab unit and the sleeper unit such that an upwardly opened carriage assembly is formed. A unitary roof member fixedly encloses the opened carriage assembly and forms an integral modular unit. The unitary roof member has a front portion connected to the front wall of the cab unit, a rear portion connected to the rear wall of the sleeper unit, and opposing side portions connected to the opposing side walls of the cab and sleeper units. The cab unit, sleeper unit and roof member are not independent structures; however, when they are assembled, the units constitute a durable cab/sleeper unit.
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