| 摘要 |
PROBLEM TO BE SOLVED: To prevent an increase of the number of part items and fitting man- hours and increase the drag of a door seal member against the siphoning force of a door sash. SOLUTION: An upper frame 5 constituting a roof side frame is formed into an 8-shaped cross section by extrusion molding, a receiving face 13 receiving the tubular section 12a of a door seal 12 fitted to a door sash 9 when a door is closed is provided on a large tubular section 5a, and a seal face 14 receiving a lip section 12b in elastic contact when the door is closed is provided on a small tubular section 5b. The tilt angle of the seal face 14 against the rotation center line C when the door is opened or closed is set larger than the angleθ2 in the siphoning direction against the rotation center line C, and it is set to a size near the angleθ1 in the door opening/closing direction against the rotation center line C. A large drag against the siphoning force when the lip section 12b is coupled with the seal face 14 can be exerted.
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