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Fifth wheel
"Fifth wheel" in a Sentence (16 examples)
In most forms of semi-trailers a great deal of time is wasted in connecting the trailer to the tractor or pulling vehicle. Most of the connecting gears are some form of fifth wheel, consisting of two horizontal circular bands of iron, one fitting on top of the other, with grease between and with a bolt or king-pin dropped through holes in the hubs or center bosses of both parts of the fifth wheel.
The semi-trailers are equipped with hydraulic brakes which operate through the king pin of the fifth wheel. The booster-controlled fifth wheel gives full and complete cab control of all braking and coupling operations.
From the blow-back tank, the fluid is piped into a larger tank commonly known as a fracturing (frac) tank or wheely tank. This is a large, 21,000-gallon tank mounted on wheels and provided with a fifth wheel for towing from jobsite to jobsite by a semi-tractor.
Fifth-wheel hitching is a simple affair compared to trailer coupling. Choose a quality hitch and don't overburden an inadequate pickup truck with a big fifth wheel and you're almost in business.
Janet [Rosenstock] and Dennis [Adair] are avid travelers who venture to Europe now and again, and as full-time RVers travel through the United States and Canada. Look for them on the open road; their fifth wheel bears the sign "Read a Joyce Carlow lately?"
Full fifth-wheels have become quite frequent of late, and it may not be out of place to make a few remarks on their merits as compared with half fifth-wheels. With the exception of heavy coaches and rockaways, nearly all vehicles were until lately made with half fifth-wheels; but at present we find nearly all the different kinds of work, such as landaus, clarences, coaches, landaulets, T-carts, and coupés, made with full fifth-wheels.
For greasing the axles and fifth wheel, use castor-oil. It is not necessary to put on a great deal. [...] The fifth wheel should be looked after, and not be allowed to become entirely dry.
The Great Western has a big 15-inch indestructible malleable fifth wheel that weighs 40 pounds. This is attached with malleable braces to two big, heavy, solid oak bolsters. It is arranged so that if one wheel drops into a hole or rut, there's no strain or binding on the frame. The Great Western malleable fifth wheel and heavy oak bolsters are set back two feet under the box so the load is evenly balanced on all four wheels.
I felt like a fifth wheel when both of them started giggling and making out during dinner.
A subjunctive mode should no more exist in the English grammar, than a fifth wheel be given to a wagon.
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Why I'm of no more use in my own house, than a fifth wheel would be to a wagon.
Compressed and concentrated, confined to a single sharp pang or two, but none the less in wait for him there on the Euston platform and lifting its head as that of a snake in the garden, was the disconcerting sense that "respect," in their game, seemed somehow—he scarce knew what to call it—a fifth wheel to the coach.
He said his name was Sheridan, Captain Sheridan, and that he was a sort of headquarters quartermaster, to look after the staff comforts. He did not seem to have a very exalted opinion of his duties, rather regarding himself as a fifth wheel.
After the first minute of conversation with her I stopped feeling like a fifth wheel. We got on fine together. Of course I don't know whether I was a fifth wheel or not. There was no way I could discover just what the line-up was.
The most common excuse is that they [line managers] do not have enough time to train every employee and perform their other supervisory duties. In an environment such as this, a new hire often feels like a fifth wheel and begins to develop frustration and fear.
Hope suddenly felt like a fifth wheel. She was happy for Noah and Gillian, but seeing them together just made her feel lonelier.
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