| 摘要 |
79 TRAY ATTACHMENT FOR ALADDER There is provided an auxiliary tray for ladders which have hollow rungs opening through both runners. The auxiliary tray includes a flat pan, a shaft projecting from one end of the pan and rigidly affixed thereto, a tubular member into which the shaft can be inserted, means to fix the relative angular position of the shaft with respect to the tubular member, and a bracing member extending away from the tubular member and having an elongated portion parallel with the tubular member. The elongated portion is adapted to enter one of the hollow rungs as the tubular member enters another. |
