| 摘要 |
A switch machine for a railroad switch provided with two switch points interconnected by transverse bars, including a fixed housing mounted between the switch points; two operating rods extending from the housing to the switch points; a shifting body within the housing, capable of sliding relative to the housing to simultaneously displace the operating rods; a control rod to displace the shifting body between two end stroke points; and engagement means within the housing for selectively engaging the operating rods to the housing at the two end stroke points.
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