| 摘要 |
<p>A modular door closure system comprises a rack and pinion motor assembly with single action opening 2a mounted in a first case 5a; a similar motor assembly with double action opening mounted in a housing element 5, 6; and a spring and shock absorber restoration drive 4 mounted in a second case 7 that can be assembled with either the first case 5a to constitute a single action door closure 1a, or with the housing element to constitute a double action door closure 1.</p> |
