| 单词 | pulley box |
| 释义 | > as lemmaspulley box pulley box n. (a) = pulley block n.; (b) Weaving (in a drawloom) a frame containing the pulleys used to adjust the vertical looped strings (now chiefly historical); (c) a broad pulley wheel in the form of a drum or cylinder (rare). ΚΠ 1819 P. Nicholson Archit. Dict. II. 876/1 All the sashes to be astragal moulded... The whole to have inch-and-three-quarter brass pulley-boxes. 1839 A. Ure Dict. Arts 364 Cords passing from this pulley box..over guides,..communicate the motion..to the bobbins. 1875 E. H. Knight Amer. Mech. Dict. III. 1820/1 Pulley-box, a frame containing the pulleys for guiding the tail-cords in a draw-loom. 1909 N.ED. Pulley-box, a broad pulley-wheel, a drum or cylinder. 1977 Winterthur Portfolio 12 147 (caption) In this loom..there is a single pulley box. 1985 Bull. Assoc. Preservation Technol. 17 35/2 The face of the pulley box or housing, was usually of iron or steel, intended to be painted in the same manner as the window frame. < as lemmas |
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