Rodless cylinder with improved sealing belt

Details Rodless cylinder with improved sealing belt Rodless cylinder with improved sealing belt

1992-09-04

1994-06-07

Look, Edward K.

Expansible chamber devices

Sealed opening in longitudinal wall of chamber for receiving...

277DIG7, F01B 2900

Patent

active

053179579

ABSTRACT:
A rodless cylinder prevents leakage of fluid through a sealing belt and thus increases the freedom in the design of the edge of its seal lip. The rodless cylinder has a piston and a driven table reciprocating over a cylinder which are connected by a piston yoke through a slit extending along a cylinder bore. A sealing belt to seal the slit in the cylinder has a sealing lip which comes in contact with the wall of the cylinder bore at each end of the inner wall that constitutes a part of the wall of the cylinder bore, a sealing projection near the edge of the sealing lip whose edge comes in contact with the inner wall of the slit, and another seal projection that comes in contact with a sealing seat projecting from the inner wall of the slit.

REFERENCES:
patent: 4545290 (1985-10-01), Lieberman
patent: 4664019 (1987-05-01), Lipinski et al.
patent: 4664020 (1987-05-01), Kaiser
patent: 4733604 (1988-03-01), Lipinski
patent: 4829881 (1989-05-01), Taki et al.
patent: 4991494 (1991-02-01), Migliori

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