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单词 sheep's foot
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sheep's foot
sheep's foot n. (a) the foot of a sheep; (b) a kind of claw-hammer; (c) sheep's foot roller, a kind of tamping roller consisting of a steel drum studded with projecting feet.
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society > occupation and work > equipment > driving or beating tools > [noun] > hammer > claw-hammer
clove-hammer1480
claw hammer1622
sheep's foot1683
society > occupation and work > equipment > driving or beating tools > [noun] > rammers
stamper1484
wilkin1495
rammer1497
monkey1750
Hercules1794
punner1844
ram1875
boser1930
sheep's foot roller1934
1683 J. Moxon Mech. Exercises II. 71 The Sheeps-Foot is..of Iron, with a Hammer-head at one end, to drive the Ball-Nails into the Ball Stocks, and a Claw at the other end, to draw the Ball-Nails out.
1875 E. H. Knight Pract. Dict. Mech. Sheep's-foot Trimmer, a pair of shears or cutting-pinchers to trim the excessive growth of the hoof.
1888 W. T. Brannt Pract. Treat. Animal & Veg. Fats & Oils 266 Sheep's-foot oil is obtained..from the feet of sheep. It resembles neat's-foot oil.
1934 J. H. Bateman Highway Engin. (ed. 2) xiii. 224 Various types of tamping rollers have been developed..and include sheep's-foot and sectional rollers.
1973 G. E. Bertram in Hirschfeld & Poulos Embankment-Dam Engin. 1/1 The recent development of heavy vibratory rollers capable of compacting rockfill has produced the most significant change in placement procedures in the construction of earth and rockfill dams since the introduction of the sheepsfoot roller for the compaction of earthen core materials.
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