| 摘要 |
This invention presents a motor-bike frame with a double use, as a supporting frame and as a fuel tank. The frame consists of units (A, B and C); the front unit (A) consists of side walls (1 and 2) and an inner reinforcement (3), rigidly and tightly mounted together, thus forming a tight case (i), closed at the front end by a bearing (4) and at the rear end by front walls (b and c). The case (i) is provided at the upper end with a filler neck (16) with a lid (17), and at the lower end, with a neck bearing (5), a three-way cock (18) and a grip device (6). The rear unit (B) consists of side wings (7 and 8) and an inner wing (9) mounted together and this assembly is rigidly fastened to the side walls (1 and 2), thus forming a case (j), closed to the lower end and open to the other. The intermediate unit (C) consists of side walls (12 and 13) tightly mounted, forming a tight case (m), provided at the upper end with a filler neck (19) with a lid (20), and at the lower end with a pipe (21) that links to the first tight case (i) and a cock (22), a case mounted by means of a gripper (14) to a supporting stand (15) rigidly fastened at the lower part to the side walls (1 and 2) and, at the upper part to the wings (7 and 8).
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