The word 'flatbed' is correct and usable in written English
You can use it to refer to a large, flat-topped truck or trailer with an open bed or deck. For example: "The truck driver loaded the boxes onto the flatbed."
The seven basic beds, or frames, are flatbed, raised-bed, post, cylinder, off-the-arm, closed-vertical, and open-vertical.
Flatbed machines may be hand-operated or power-driven, and, by selection of colour, type of stitch, cam design, and Jacquard device (see Jacquard loom), almost unlimited variety is possible.
As they sat down to talk, a brown-and-orange Kamash flatbed truck was approaching the gravel road that ran behind the Canal Hotel.
The latest incarnation of Ford's tough flatbed gives the impression of being all things to all people.
On one flatbed, a guy had a yacht he had hauled from Fort Lauderdale for a Seattle couple who had sailed around the Horn.
That said, their religion was ingrained in them – 25 years of Catholic teachings die hard, after all – so while they performed their plays from the back of a flatbed truck in homemade costumes, and on hand-built sets, they still made sure that we could recite the Lord's Prayer.
The rotary press continued to dominate the high-speed newspaper field, but the flatbed press, having a flat bed to hold the type and either a reciprocating platen or a cylinder to hold the paper, continued to be used for job printing well into the 20th century.
It may be contrasted to the flatbed press, which has a flat printing surface.
Flatbed press, printing press employing a flat surface for the type or plates against which paper is pressed, either by another flat surface acting reciprocally against it or by a cylinder rolling over it.
In presses that operate cylinder to plane, called flatbed presses, a cylinder provides the pressure while the typeform retains its flat surface, generally in a horizontal position.
Last year, a shucking contest was held on the back of a flatbed truck, parked on the busy town wharf: seasoned fishermen ousting the muscle of the mollusc from its pretty flat shell with a flick of the knife.
