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公开(公告)号：US3623178A
公开(公告)日：1971-11-30
申请号：US3623178D
申请日：1969-10-15
Applicant: AUGUST KURZ
Inventor： KURZ AUGUST
CPC classification number: A47L11/4069 , A47L1/05 , A47L11/29 , A47L11/4036 , A47L11/4047
Abstract: A MOTOR DRIVEN CLEANSING MACHINE HAVING AN ENDLESS BELT DRIVEN OVER A PLURALITY OF ROLLERS. ONE ROLLER FORMS THE FRONT EDGE OF A BELT-SUPPORTING MEMBER, BETWEEN TWO CONVERGING BELT-SUPPORTING SIDES, WHICH IS PIVOTABLY MOUNTED IN A FRAME. THE PIVOT AXIS IS PARALLEL WITH THE AXES OF THE ROLLERS. THE BELT-SUPPORTING MEMBER IS HELD IN A NEUTRAL POSITION BY THE TENSION OF THE BELT BUT IS PIVOTABLE IN EITHER DIRECTION WHEN THE FRONT EDGE OF THE BEL-SUPPORTING MEMBER IS PRESSED AGAINST A SURFACE TO BE CLEANSED.
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