| 摘要 |
A guide rail for guiding a movable anchor upon driving the movable anchor by a drive member is constructed to a first guide portion for slidably guiding the movable anchor and a second guide portion combined as a unitary member with the first guide portion and adapted to slidably guide the drive member. The first and second portions are formed of discrete members. The second guide portion is made of a material softer than the first guide portion. The first guide portion and second guide portion are formed separately and are then assembled together into the guide rail.
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