| 释义 |
gub, n.|gʌb|
[Cf. gab n.4, of which this may be a corruption or local variant.
The passage quoted seems to be the sole authority for this word, which appears in some recent Dicts., but is unknown to several mechanicians who have been consulted.]
A projection on the back of a wheel for engaging the loops of an endless chain or rope.
1839Ure Dict. Arts 1072 (Rope making.) A wheel with gubs at the back of it, over which the endless rope passes and gives motion to the machinery of the carriage..The speed may be regulated..by the diameter of the circle formed by the gubs on the wheel. |