Pressure operated slewing drive, especially hydraulic one
The drive has a casing (1) with detachable cylinder (2) having a cylinder tube (3) and cylinder head (4), and a piston (6) in the cylinder with a rack rod to act with a sprocket. When assembled the casing and or cylinder head is gripped within the cylinder tube on opposite sides. The casing and head...
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Format: | Patent |
Sprache: | eng ; ger |
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Zusammenfassung: | The drive has a casing (1) with detachable cylinder (2) having a cylinder tube (3) and cylinder head (4), and a piston (6) in the cylinder with a rack rod to act with a sprocket. When assembled the casing and or cylinder head is gripped within the cylinder tube on opposite sides. The casing and head have circumferential grooves (16,17) in them radially opposite each other. Together, these form at least one annular chamber (18), which is filled via at least one open-sided channel (19) with rigid blocking elements (20), acting with the annular chamber to prevent release of the grip. |
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