| 摘要 |
PROBLEM TO BE SOLVED: To provide a Western style water closet which is prevented from being a hindrance to a user, prevents damage to a lock mechanism and its periphery, and has excellent convenience. SOLUTION: The lock mechanism 20 has a helical compression spring 23 having an urging force in the direction of fixation of rear and front base plates 10 and 11. COPYRIGHT: (C)2003,JPO
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