| 摘要 |
A gate assembly including a support structure, a gate carried by the support structure and movable with respect thereto, and a gate control associated with the gate, the support structure including a plurality of frame members, the gate having one end thereof disposed adjacent to the support structure and extending outwardly therefrom, a pivot connecting a lower part of the gate to an adjacent lower portion of the support structure, a pivot including a rotatable shaft and shaft carrier, the gate control including at least one coil spring member, one end of the spring member being attached to an upper part of the gate adjacent to the support structure and the opposite end of the spring member being affixed to the support structure at a point spaced from the pivot, a fulcrum disposed adjacent the end of the spring member affixed to the support structure, the fulcrum being disposed on the side of the spring member remote from the pivot, the fulcrum including an arcuate spring-engaging section disposed in substantially the same vertical place as the spring member, whereby the gate is movable about the pivot in a vertical plane with the movement thereof being controllable by the spring member throughout its path as the spring member moves into contact with the spring-engaging section of the fulcrum.
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