Abstract: For a vacuum cleaning unit, a cleaning tool employing a rotatably driven brush and having a split manifold therein which allows a vacuum airflow to be directed to the outermost longitudinal ends of the brush without interference with a drive belt rotatably driving the brush at its approximate longitudinal midpoint. The cleaning tool includes an upper housing having a centrally disposed cut-out portion and a semi-circular portion for partially housing the brush therein. A cut-out is formed in a base portion of the upper housing. A lower housing also has a cut-out shaped identically to that of the cut-out portion of the upper housing. A front sole plate is included which is secured to the lower housing and which includes a pair of openings separated by a central portion, where the openings allow portions of the brush to protrude. Each of the upper and lower housings further have runner portions which form airflow channels through which a vacuum airflow may be generated.

Abstract: A locking system for releasably holding open the opening of a plastic film bag, composed generally of a first locking element extending from the external surface of the plastic film bag adjacent the opening thereof and a second locking element extending from a shape defining structure. The first locking element lockably mates with the second locking element in a male-female fashion either by pressing them mutually together or by sliding one into the other. The shape defining structure may be a ring member of a sidewall of a trash receptacle or of a removable lid therefor, or some other structure, such as a free standing ring member which may or may not be of circular shape. The first and second locking elements may be configured in a number of different forms in order to accomplish the aforesaid mutual interlocking function.