Fluid-operated drive

Details Fluid-operated drive Fluid-operated drive

1994-01-28

1995-03-28

Lopez, F. Daniel

Expansible chamber devices

With flexible transmission element secured to working member

92177, F01B 900

Patent

active

054006961

ABSTRACT:
The invention relates to a drive, particularly a push and pull drive, which has a cylinder with a cylinder inner chamber (Z) and a cylinder axis (F) and a piston movably arranged in the cylinder and to which is fixed a flexible force transfer means (U). For a double-action drive the cylinder inner chamber (Z) or the piston must have a larger cross-sectional surface than the force transfer means (U). In order that, despite this, the cylinder wall can serve as a guidance means for the flexible force transfer means, either the cylinder inner chamber or the force transfer means has a non-circular cross-section, so that on a cross-section there are at least two points (A1 to A3), on which the cylinder inner wall can guide the force transfer means.

REFERENCES:
patent: H166 (1986-11-01), Byrd
patent: 3965802 (1976-06-01), Jacobs
patent: 4080877 (1978-03-01), deFries
patent: 4467705 (1984-08-01), Reist
patent: 4896584 (1990-01-01), Stoll et al.

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