锁链
此条目可参照英语维基百科相应条目来扩充。 (2021年5月26日) |
锁链,公元前225年的发明[1],是由连接件组成的串联组件,这些链节通常由金属制成,其总体特性与绳索相似,具有柔韧性和弯曲性,但同时亦具备刚性和承重能力,可以用于拖拉重物如船锚或配以挂锁将物件上锁。
![](http://upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Broad_chain_closeup.jpg/220px-Broad_chain_closeup.jpg)
参考
编辑- ^ As early as 225 BC, chain was used to draw a bucket of water up from a well. This very early bucket chain was composed of connected metal rings.Tsubakimoto Chain Co. (编). The Complete Guide to Chain. Kogyo Chosaki Publishing Co., Ltd. 1997: 240 [17 May 2006]. ISBN 0-9658932-0-0. p. 211. (原始内容存档于2018-09-02).
外部链接
编辑- National Association of Chain Manufacturers (页面存档备份,存于互联网档案馆), NACM WELDED STEEL CHAIN SPECIFICATIONS
- Chain Spec Basics (页面存档备份,存于互联网档案馆), Grades and Links Explained
- Chain. Encyclopædia Britannica 5 (第11版). London. 1911.