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Ratchet   /rˈætʃət/  /rættʃət/   Listen
Ratchet

noun
1.
Mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction.  Synonyms: rachet, ratch.



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"Ratchet" Quotes from Famous Books



... the rail. The latter type had the advantage of not requiring such a lift in shoveling, but the trough is so low that a motor truck cannot be placed underneath it. In the high machine the mixer is moved forward by a standard motor truck under the conveyor. In the low machine the mixer is moved by a ratchet and gear on the truck underneath the mixer. A crew of 27 men is required to work each machine, and under average conditions concrete for 80 lin. ft. of single track, amounting to 22 cu. yds., can be discharged ...
— Concrete Construction - Methods and Costs • Halbert P. Gillette

... men swooned over the ratchet-drill and the hand-forge, and where they fell they had leave to lie unless their bodies were in the way of their fellows' feet. And so, patch upon patch, and a patch over all, the starboard supporting-column was clouted; but when they ...
— The Day's Work, Volume 1 • Rudyard Kipling

... which it is to be used, and the other pole to the electromagnet in the ordinary way of conductivity of current, which means stretching the wire from one to the other. An armature is arranged so that when a thread is broken or a sliver or a strand of roving, the armature drops into a ratchet wheel; this ratchet wheel is made to revolve by the belt, and whenever it is impeded or stopped in its course it acts upon mechanism which throws the driving belt of the machine upon the loose pulley. Electrical contact is made ...
— Scientific American Suppl. No. 299 • Various

... body of the automaton, and was unmistakably a whirring of wheels. It gave me the impression of a disordered mechanism which had escaped the repressive and regulating action of some controlling part—an effect such as might be expected if a pawl should be jostled from the teeth of a ratchet-wheel. But before I had time for much conjecture as to its nature my attention was taken by the strange motions of the automaton itself. A slight but continuous convulsion appeared to have possession of it. In body and head it shook like a man with palsy or an ague chill, and the motion ...
— Can Such Things Be? • Ambrose Bierce

... everything has a side that can be criticised. What you have to do is to sum up the whole, take the average benefit which comes from it, and attempt to increase that average. Now I am an optimist. People say the initiative and the referendum, against which I have talked, are like a ratchet wheel. If you extend power to the people and the voters, you will never get it back again. I agree that is a rule that generally works, but with respect to the initiative and the referendum there is an element that may cause an exception to the rule. The initiative will throw a heavy burden on ...
— Ethics in Service • William Howard Taft

... is familiar with the rapid tinkling of the ratchet wheel that warps the landing stage up to the level of the boat's deck. I asked the man who was running the wheel where I would find the Wenonah. "She lays over in the old Market Street slip," he replied, and cheerfully showed me just where to find her. "Is she ...
— Mince Pie • Christopher Darlington Morley

... so that the cans may be emptied and cleaned without trouble; also plates for rolling out sheets to size, and cutting machines which cut the nuggets any size, the machine being so arranged that by simply altering a pawl on a ratchet wheel the size of the nuggets is determined. Where this elaborate arrangement exists our formula would neither be desirable nor necessary, nor do we pretend to suggest or advise. However, many tons are made in the ordinary boiling shop with the ...
— The Candy Maker's Guide - A Collection of Choice Recipes for Sugar Boiling • Fletcher Manufacturing Company



Words linked to "Ratchet" :   pass on, mechanical device, detent, spiral ratchet screwdriver, advance, dog, go on, click, pawl, march on, move on, progress



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