Electricity: conductors and insulators – Insulators – Special application
Reexamination Certificate
2006-01-31
2006-01-31
Lee, Jinhee (Department: 2831)
Electricity: conductors and insulators
Insulators
Special application
C059S078100, C248S049000, C248S051000
Reexamination Certificate
active
06992254
ABSTRACT:
A cable or the like protection and guide device which can suppress collision noise generated when adjacent link plates repeat a linear mode and a flexion mode to attain low noise, and can exhibit excellent wear resistance is provided. In a cable or the like protection and guide device (100), a C-shaped flexion guide groove (116) concentric with a connecting pin hole (115) is provided on a plate side (111) and V-shaped stopper surfaces (116a) are formed on end portions of the C-shaped flexion guide groove (116). Further, a flexion guiding protrusion (117), which engages the C-shaped flexion guide groove (116), is provided on another link plate (111) connected to a connecting pin hole (115) side of the link plate (111) so that an arc-shaped contact surface (117a) is formed on a protrusion outer circumferential portion of the flexion guiding protrusion (117). Thus, the arc-shaped contact surface (117a) of the flexion guiding protrusion (117) makes point contact with the V-shaped stopper surface (116) of the C-shaped flexion guide groove (116) so that flexible movement of adjacent link plates (111), (111) are restricted.
REFERENCES:
patent: 4800714 (1989-01-01), Moritz
patent: 5048283 (1991-09-01), Moritz et al.
patent: RE35579 (1997-08-01), Moritz et al.
patent: 5987873 (1999-11-01), Blase
patent: 6349534 (2002-02-01), Zanolla et al.
patent: 2511211 (1993-06-01), None
patent: P3110766 (2000-09-01), None
Lee Jinhee
Tsubakimoto Chain Co.
Woodling Krost and Rust
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