Title:
CURTAIN RAIL
Document Type and Number:
Japanese Patent JP2015054145
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a curtain rail capable of improving the runnability of a runner, even in the case where the rotation angle of the runner with respect to a ball has a range.SOLUTION: A runner includes a sliding part having an arcuate shape, as viewed from a horizontal direction, and contacts with a pole at the sliding part. A pole extends along a horizontal direction and has three ridges positioned on a common circumference, as viewed in the horizontal direction. Of the three individual ridges, the two ridges adjoining each other on a circumference contact with the sliding part. The three ridges include a first ridge 12a, a second ridge 12b and a third ridge 12c. The first ridge 12a is positioned vertically above the center CA of the circumference C. The second ridge 12b is positioned above the center of a circumference C in the vertical direction, below the first ridge in the vertical direction, and on one side of a vertical plane extending through the center of the circumference C. The third ridge is positioned below the center of the circumference C in the vertical direction and on the one side of the vertical plane.
Inventors:
EGAMI TATSUYA
Application Number:
JP2013189887A
Publication Date:
March 23, 2015
Filing Date:
September 12, 2013
Export Citation:
Assignee:
TACHIKAWA BLIND MFG
International Classes:
A47H13/02
Domestic Patent References:
| JPH0486482U | 1992-07-28 | |||
| JP2004230153A | 2004-08-19 |
Attorney, Agent or Firm:
Makoto Onda
Hironori Onda
Hironori Onda