Linearly guided longitudinal displacement system with a cover ta

Details Linearly guided longitudinal displacement system with a cover ta Linearly guided longitudinal displacement system with a cover ta

1997-02-12

1998-07-14

Denion, Thomas E.

Expansible chamber devices

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

277DIG7, F01B 2900

Patent

active

057787581

ABSTRACT:
To reliably seal an elongated slit (8) passing through an essentially tubular guide body (6) against contamination by dirt, machine cutting chips and the like, while permitting passage of a movable projecting element through the slit, a cover tape (14) is placed over the slit, but removable therefrom. The cover tape (14) is locked to the guide body (6) by a releasable locking arrangement which includes interengaging, interlocking projection (26) and recess (35) means, located at the sides of the tape (14) on the guide body (6), respectively. The projection means is formed by a headed elongated rib (27), preferably located on the guide body, and the recess means (35) are formed by a groove between a pair of laterally deflectable lips (36, 37), which can snap over the head portion (28) of the rib for positive engagement, while requiring only little force to lift them off the head portion. The locking arrangement for the tape (14) is located on both sides of the tape, so that the region of the slit itself is free from forces arising in locking and unlocking of the tape. Thus, the tape can be formed to be soft and supple.

REFERENCES:
patent: 4685383 (1987-08-01), Ruchser
patent: 4829881 (1989-05-01), Taki et al.
patent: 4991494 (1991-02-01), Migliori
patent: 5517901 (1996-05-01), Lipinski

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