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Reaper-binder

technology Maturity 11-13 Next article →

A reaper-binder is a tool used on farms.

Corn harvesting - geograph.org.uk - 975983
Corn harvesting - geograph.org.uk - 975983

It does two jobs. First, it cuts grain crops. Second, it binds the stems into bundles. We call these bundles sheaves.

Modern binder
Modern binder

Charles Baxter Withington invented the binder in 1872. His machine used wire to tie the bundles. Later, William Deering made a binder that used twine. It used a knotter to tie the string.

A binder has a reel and a sickle bar. The sickle bar is the cutting part. The cut stems fall onto a canvas bed. This bed moves the stems to the binding part. The machine ties the stems into a sheaf. Then, it lets the sheaf fall out the side.

Farmers stack these sheaves into A-shaped piles. These piles are called stooks. Stooks look like small tipis. They let the grain dry for many days.

Most farmers use a combine harvester now. A combine does many jobs at once. However, some people still use binders. They are good for small fields. They also work in steep mountains.

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File:Corn harvesting - geograph.org.uk - 975983.jpg
Corn harvesting - geograph.org.uk - 975983.jpg
File:Modern binder.jpg
Modern binder.jpg
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