| 摘要 |
PURPOSE: To provide a rod-less cylinder capable of reducing the size thereof and an installing space, molding a head cover by a single mold, and remarkably saving manufacturing cost as a whole of the rod-less cylinder. CONSTITUTION: A rod-less cylinder 10 is provided with a cylinder tube 12 having a piston capable of longitudinally moving to and fro therein, fluid bypass passages 24a, 24b defined so as to longitudinally extend in the cylinder tube 12, and a pair of head covers 16a, 16b equipped to an end portion of the cylinder tube 12. The head cover 16a has a side surface 100a wherein at lease one fluid pressure outlet/intake port 200a is provided, and an end surface 104a wherein at least two fluid pressure outlet/inlet ports 200c and 300d are provided. And the head cover 16a is provided with a at least four and more fluid pressure outlet/inlet ports.
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