公开(公告)号：US3639941A

公开(公告)日：1972-02-08

申请号：US3639941D

申请日：1970-06-16

Applicant: SUNBEAM CORP

Inventor： KIRWAN WARREN J ,  BRUNING ELMER E

IPC: A47L5/30 ,  A47L5/34

CPC classification number: A47L5/30

Abstract: A rotary brush for a vacuum cleaner including mounting means for biasing the brush downwardly against the rug through the use of the tension applied by the belt drive from the motor.

Abstract translation: 一种用于真空吸尘器的旋转刷，其包括用于通过使用来自马达的带驱动器施加的张力将刷子向下偏压到地毯上的安装装置。