| 摘要 |
<p>A conveying machine comprising a forwarding conveying portion and a returning conveying portion connected thereto, being simplified in construction, compact in size and light in weight, and having a wide range of application. A reciprocating escalator as being a conveyance device comprises a plurality of step bases (1, 2) closely arranged on annular guide rails (01, 02) along a running course including a forwarding section (A-C) and a returning section (E-G), which are connected to each other through turning sections (D, H). The step bases adjoining each other are rockably connected at opposite ends thereof to pin knot points (011, 021, 012, 022) provided on columns (15, 25) of the step bases and connected to each other by a parallel link mechanism having connecting knots (11, 12) bendable around pins (110, 120) arranged therebetween. The step bases smoothly run along the running course including a rising section (B), a lowering section (F) and a curved section. The conveying machine, being capable of reciprocating in conveyance, having a high degree of freedom in setting the running course, being simplified in construction, compact in size, and light in weight, is scarcely subject to installation and construction limitations, thus being suitable for various fields of application.</p> |
