Skate for cable protection guide

Details Skate for cable protection guide Skate for cable protection guide

2006-05-01

2008-10-14

Jones, David B (Department: 3725)

Chain, staple, and horseshoe making

Chains

Conduit

C248S051000, C191S01200C

Reexamination Certificate

active

07434382

ABSTRACT:
A skate for a flexible cable guide comprises a series of interconnected skate units, each comprising a pair of parallel rails with rollers, the rails being connected by transverse connecting bars. A connecting block is provided with two holes. A connecting bar of one of skate units extends through one of the two holes. The other hole has a longitudinal entry slot for receiving a narrowed portion of a bar of the other skate unit. The narrowed portion is formed by providing one or more flat portions on the bar, disposed at a 45° angle with respect to the longitudinal direction of the skate, in order to require manipulation of the connecting block for engagement and disengagement of the bar having a narrowed portion from the connecting block.

REFERENCES:
patent: 5649415 (1997-07-01), Pea
patent: 7310935 (2007-12-01), Worms
patent: 7343731 (2008-03-01), Iwami et al.
patent: 7373770 (2008-05-01), Iwami et al.
patent: 2005/0155337 (2005-07-01), Worms
patent: 2007/0277499 (2007-12-01), Iwami et al.
patent: 1193420 (2002-04-01), None
patent: 57-016273 (1982-01-01), None
patent: 10-220533 (1998-08-01), None
U.S. Appl. No. 11/472,649, Tsutomu Iwami.

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