摘要:
A telescopic pneumatic linear actuator (10), particularly for unwinders with movable arms, which comprises a first annular cylinder (12), provided with a respective cavity (14), and a second annular cylinder (20), which can be inserted into and can slide within the cavity (14) of the first annular cylinder (12) and is provided with a respective cavity (22), and an annular piston (28), which can be inserted into and can slide within the cavity (22) of the second annular cylinder (20), the first and second annular cylinders (12, 20) and the annular piston (28) being provided with respective holes (13, 21, 29) for the passage of a self-expanding spindle.
摘要:
A telescopic pneumatic linear actuator (10), particularly for unwinders with movable arms, which comprises a first annular cylinder (12), provided with a respective cavity (14), and a second annular cylinder (20), which can be inserted into and can slide within the cavity (14) of the first annular cylinder (12) and is provided with a respective cavity (22), and an annular piston (28), which can be inserted into and can slide within the cavity (22) of the second annular cylinder (20), the first and second annular cylinders (12, 20) and the annular piston (28) being provided with respective holes (13, 21, 29) for the passage of a self-expanding spindle.
摘要:
A telescopic pneumatic linear actuator (10), particularly for unwinders with movable arms, which comprises a first annular cylinder (12), provided with a respective cavity (14), and a second annular cylinder (20), which can be inserted into and can slide within the cavity (14) of the first annular cylinder (12) and is provided with a respective cavity (22), and an annular piston (28), which can be inserted into and can slide within the cavity (22) of the second annular cylinder (20), the first and second annular cylinders (12, 20) and the annular piston (28) being provided with respective holes (13, 21, 29) for the passage of a self-expanding spindle.