gallows frame

American  

noun

Mining.

1. headframe.

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Etymology

Origin of gallows frame

First recorded in 1880–85

Example Sentences

And here’s another possibility: While consulting the dictionary, Answer Man saw that a “gallows frame” was a timber structure used for butchering cattle.

From Washington Post

Wide openings, like bays, require the use of heavy timber, and the mortice, tenon and brace, only so far as the gallows frame is concerned; the balance of the frame is of light stuff, studding 2 feet to 2½ feet apart, 2 by 6 inches, every third one 2 by 8 inches, into which is gained the side girt, it being nailed to the others.

From Project Gutenberg

On this rests one end of the temporary floors, the gallows frame supports the roof, and the rafters are secured to it, so that they become ties.

From Project Gutenberg

A gallows frame or a mast with a pulley block at the top and a team of horses can often be used in such cases as described in Chapter XII for filling cylinder piers, or in the same chapter for constructing a bridge abutment.

From Project Gutenberg

For building walls of some height a gallows frame arrangement or the common braced staging used by masons and carpenters is used.

From Project Gutenberg