headstock

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headstock

substantial wooden or metal fixed apparatus for restraining a cow by the neck in a crush, milking parlor or feed stalls. There is a bar or tongue which is swiveled at the bottom and can be opened at the top. When the animal puts its head into the open space the tongue is closed tight enough to prevent the beast getting its head out. The tongue has a quick release catch so that it can be opened quickly in an emergency. Called also head bail, neck yoke, head clamp.
References in periodicals archive ?
High rigidity headstocks are available with single or twin spindle technology.
The two or tour-speed headstocks have 130mm or 155mm diameter spindles with 3,500rpm to 4,000rpm spindles.
Because it utilizes the contamination-resistant magnetic scanning principle, it is ideally suited for incorporation into many machine design elements, such as headstocks on lathes.