| 单词 | worm gear |
| 例句 | The motion obtained from the worm gear is transferred through suitable gearing to the rack pinion. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z The chain drive also allows the replacement of the sprocket with one of a larger or smaller diameter thereby giving a higher or lower gear ratio, which cannot be done with the worm gear. Motor Truck Logging Methods Engineering Experiment Station Series, Bulletin No. 12 2011-09-10T02:00:27.273Z And by means of a worm gear, operated by a wheel near the steering apparatus, the light could be deflected in any direction. The Motor Girls at Camp Surprise The Cave in the Mountains 2011-06-16T02:00:18.377Z The two knobs with drum are mounted on an axle a, which in its central portion is enlarged and provided with a worm gear. Microscopes and Accessory Apparatus Catalogue No. 40 2011-04-14T02:00:42.743Z The rod is attached to the gage with a worm gear and is operated by a small hand wheel at the front of the table. Paper-Cutting Machines A Primer of Information about Paper and Card Trimmers, Hand-Lever Cutters, Power Cutters and Other Automatic Machines for Cutting Paper (Typographic Technical Series Part 1, No. 10) 2010-12-30T03:00:20.623Z The ensign merely nodded and began to operate a worm gear which swung the tubes at an acuter angle to the body of the submarine vessel. The Boy Scouts for Uncle Sam In the worm gear there is no slack to take up and the power can be applied more gradually, thus reducing the chances of spinning the wheels and losing the traction. Motor Truck Logging Methods Engineering Experiment Station Series, Bulletin No. 12 2011-09-10T02:00:27.273Z In electric cranes the motor is connected to the barrel, either in a similar manner by spur gear or by worm gear. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 6 "Coucy-le-Château" to "Crocodile" A spiral spring pressing against one of the journals into which the axle is mounted prevents any lost motion in the worm gear. Microscopes and Accessory Apparatus Catalogue No. 40 2011-04-14T02:00:42.743Z “Why—why we know that this is a metal double enveloping worm gear.” No Moving Parts By way of reply Mr. Barr went to the starboard wall of the cabin and pulled a lever connecting with a worm gear. The Boy Scouts for Uncle Sam It carried a four-drum engine, the drums of which were actuated, either separately or together, by a worm gear so as to operate positively in lowering as well as in raising. Concrete Construction Methods and Costs A motor started turning, and the worm gear on the motor opened a valve on the boiler. All Day September Such a worm gear will, I fancy, outwear a dozen of the scientific sort. Scientific American Supplement, No. 643, April 28, 1888 Number one: By now you know which component is a worm gear. No Moving Parts Probably he saw me enter, but how could he know enough to work the worm gear and close the door? Tom Swift and His Submarine Boat, or, under the Ocean for Sunken Treasure The worm rotates the worm gear, F, in two opposite arms of which are slots that carry pins projecting inwards, which may be moved toward or away from the center. Scientific American, Volume 17, No. 26 December 28, 1867 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures. The worm gear must have shut of itself. Tom Swift and His Submarine Boat, or, under the Ocean for Sunken Treasure Tom frantically worked the worm gear that opened the tower. Tom Swift and His Submarine Boat, or, under the Ocean for Sunken Treasure “We’re sure that the door mechanism is made of metal,” Quemos said, “and the construction is probably based on the principal of a worm gear.” No Moving Parts |
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