| 摘要 |
PCT No. PCT/DE91/00980 Sec. 371 Date Jun. 25, 1993 Sec. 102(e) Date Jun. 25, 1993 PCT Filed Dec. 10, 1991 PCT Pub. No. WO92/12297 PCT Pub. Date Jul. 23, 1992.A shaft element composed of molding material has a shaft member with a hollow interior, and at least one support provided in the interior of the shaft member so that a person can step on the support. The support is an integral component part of the shaft member. The shaft member has an extension, and the support is formed in the region of the extension. |
