| 单词 | head block plate |
| 释义 | > as lemmashead block plate 4. Carriage-building. A part of the frame, usually a block of wood, which connects the fifth wheel with the front of the carriage body. Also attributive in head block plate. Now chiefly historical. ΘΚΠ society > travel > means of travel > a conveyance > vehicle > cart, carriage, or wagon > parts of cart or carriage > [noun] > coupling shackle1343 wain-shackle1559 head block1851 wagon-coupling1875 thill-coupling1877 1851 Official Descriptive & Illustr. Catal. Great Exhib. V. 1458/1 The running gears present a display of carving. The head-block and tenon of the perch form the American eagle. a1877 E. H. Knight Pract. Dict. Mech. II. 1085/1 Head block..(Vehicles). A piece of wood attached below to the upper ring of the fifth wheel and above to the front spring, also having the front end of the perch mortised through its middle. a1884 E. H. Knight Pract. Dict. Mech. Suppl. 450/1 Head Block Plate (Carriage), an iron resting on the fore-axle and supporting the head block. 1914 Carriage Monthly Mar. 34/2 The..depth of head block, fifth wheel, axle bed and axle are marked directly on the draft. 2004 T. A. Kinney Carriage Trade iii. 94 Woodworkers..finished up head blocks, spring bars, and other carved parts prior to assembly. < as lemmas |
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