| 摘要 |
A kit for selectively constructing a system for releasably maintaining a movable closure element in a predetermined position relative to a frame upon which the closure element is movably mounted. The kit includes a base assembly, a first mechanism that is operably attachable to the base assembly to define a first system having a first configuration that is operable in a first manner, and a second mechanism that is operably attachable to the base assembly to define a second system having a second configuration that is operable in a second manner that is different than the first manner. The first and second mechanisms are interchangeably operably attachable to the base assembly, one in place of the other, to allow a selection to be made by an assembler as to a desired configuration and manner of operation of a system.
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