| 摘要 |
The disclosure is of a three-piece, skeletal framework for an automotive vehicle, especially of the racing type, made up of front-end, intermediate and rear-end units disposed in fore-and-aft, end-to-end relationship and rigidly but readily disconnectably united so as to enable quick and inexpensive replacement of the front and rear units, each of which end units is constructed if lightweight, low-cost materials as compared to the heavier and stronger structure of the intermediate unit, which serves as a protective cage for a driver while the front and rear units can yield to collision impacts and thus serve to cushion the intermediate unit. The welding incompatibility of the structural members as among the front and rear and intermediate units lends itself to separable connections rather than welding and thus adds to the economy and structural integrity of the frame as a whole.
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