crosshead

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crosshead

[′krȯs‚hed]
(mechanical engineering)
A block sliding between guides and containing a wrist pin for the conversion of reciprocating to rotary motion, as in an engine or compressor.
(metallurgy)
A device generally employed in wire coating which is attached to the discharge end of the extruder cylinder; designed to facilitate extruding material at an angle.
(mining engineering)
A runner or guide positioned just above a sinking bucket to restrict excessive swinging.