The bush or box of a wheel. ? Obsolete.
单词 | θ214463 |
释义 | society > occupation and work > equipment > machine > parts of machines > shaft > [noun] > parts of > journal > part which encloses or supports (13) bushel1433 The bush or box of a wheel. ? Obsolete. bush1566 The metal lining of the axle-hole of a wheel; hence, the metal (or wooden) case in which the journal of a shaft revolves. (Cf. box, n.2 7.) plummer block1796 A cradle for a journal bearing, consisting of a lower part on which sits the shaft or axle in its bearing, and a cap fitting over this, which holds… box1825 A case enclosing the journal (journal, n. 10) and bearings of an axle or shaft. Chiefly with modifying word. housing1829 Chiefly Mechanics. A case, cover, or other structure that encloses, protects, or (in some cases) supports a mechanism (esp. a bearing)… journal-box1864 the box or structure enclosing the journal and its bearings. strap-head1864 (see quot. 1875). Subcategories:— parts of (5) — act of boring out (1) |
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