| 摘要 |
<p>The present invention is directed to a retractable brush (100, 200) having a unique retraction mechanism wherein the brush bristles (108, 208, 418, 518) may be locked in an extended position during use and moved to a retracted position when not in use. The brush has brush bristles with properties that are particularly suited for removing loose impediments from the surface of a golf putting green to clear the path of a putt without affecting the surface of the green, in compliance with Rule 16-1a of the "Rules of Golf."</p> |
