Cabling canal with safety function to prevent the cover slipping off

摘要

The wiring channel has a U-shaped lower portion (10) formed with cover retaining profile (11), and a U-shaped cover (20) formed with cover profile (21) which is cooperated with cover retaining profile of lower portion. The cover retaining profile is formed with an outer leg portion (12) in which knurling portion (13) is inserted in longitudinal direction. A leg portion (22) is formed in the cover profile. An opposite edge (23) of leg portion is engaged with knurling portion if the cover profile is cooperated with the cover retaining profile of lower portion.