| 摘要 |
<p>A refacer tool for grinding a horizontally disposed face onto a flush tank valve assembly. A stationary guide means is rotatably captured respective to a shaft means, with a grinding rock being attached to the shaft and superimposed in axially aligned relationship respective to the guide means, with provisions on the upper extremity of the shaft for engagement with a crank means. The guide means engages the bore of the valve assembly, so that the grinding rock can be brought into engagement with the upper extremity of the valve seat, whereupon rotatable motion of the rock imparts the upper extremity of the seat with a smooth annular surface for sealingly engaging a flapper valve element.</p> |
