| 摘要 |
1,273,685. Carpet cleaning machines. G. STAEHLE K.G. March 26, 1970 [March 31, 1969], No.14782/70. Heading A4F. A cleaning machine particulary for cleaning carpets comprises a housing 1 having in a front part cleaning rollers 3 arranged in tandem and behind them rear and front supporting rollers 5, 4 carried respectively by a transverse vetically adjustable yoke 16 and by two levers 7, 8 coupled together, and pivoted in the housing 1, and connected to the yoke 16 so that vertical adjustment of the yoke 16, e.g. by rotory adjustment of a threaded spindle 21 engaging it, adjusts the height of rear and front rollers 5, 4 relatively to the housing 1. |
