| 摘要 |
PROBLEM TO BE SOLVED: To provide a rail for a sash roller capable of corresponding even to any kind of existing sash-roller wheels only by preparing the rail with one kind of sash-roller rolling groove even in the narrow rail for the sash roller such as a rail width of 12 mm. SOLUTION: In the rail for the sash roller in which the sash-roller rolling groove on which the sash-roller wheel is rolled is formed to a top face, the central section of the bottom section of the sash-roller rolling groove is sunk at one stage and a fitting groove is formed, and parts towards lower sections from the upper ends of both side walls of the sash-roller rolling groove are formed in inclined flat surfaces. In the rail for the sash roller, a plurality of stepped stage sections towards the fitting groove are formed while being continued to the flat surfaces. COPYRIGHT: (C)2006,JPO&NCIPI
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