| 摘要 |
An adjustable fastener assembly for attaching a flexible cover sheet to an object such as a boat comprises an elongated housing provided with a slot extending along its length. Within the housing, there is positioned a slide having an extension protruding through the slot in the housing. The portion protruding through the slot carries a fastening element which engages a complementary fastener such as a ring in the cover. The slide and the housing are provided with complementary locking means permitting the slide to be locked in any desired position along the length of the housing. The slide locking means is provided with a first engaging portion capable of engaging a first portion of the housing locking means which prevents movement in only a first direction along the length of the housing and a second engaging portion capable of engaging a second portion of the housing locking means which prevents movement in only a second direction along the length of the housing.
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