| 摘要 |
The present invention comprises a unitary flush valve assembly for use in the flush tanks of toilets and the like which combines effective valve sealing with low cost of manufacture and ease of installation. The valve assembly consists of a horizontal arm adjustably supporting the valve closure member at one end and having the other end bifurcated to establish a hinged connection with a supporting member mounted on the overflow pipe. Means are also provided to permit operation in tanks having canted valve seats, as well as means for adapting the supporting member to accommodate various sizes of overflow pipes.
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