초록 ▼

A dual deflector element is disposed centrally of the lower unit of a floor sweeper and is adapted to serve two uni-directional brush rollers, disposed between the deflector and respective front and rear dust pans. The front brush roller tends to be more efficient in picking up large debris than the

A dual deflector element is disposed centrally of the lower unit of a floor sweeper and is adapted to serve two uni-directional brush rollers, disposed between the deflector and respective front and rear dust pans. The front brush roller tends to be more efficient in picking up large debris than the rear brush roller. A single center-mounted drive means is provided which serves both brush rollers. The lower unit frame or housing includes end walls and a central tansverse top portion extending therebetween, and a pair of upwardly removable dust pans are adapted for insertion between the end walls adjacent the forward and trailing edges of the top portion. Latch devices asociated with the end walls cooperate with the dust pans ends to hold the pans in position. The housing top portion includes downward extending end flanges which are riveted to the housing end walls, with the rivet heads forming the bail detents. End caps are mounted over the housing end walls and cooperate therewith in mounting springs, the ends of which form stub axles for four sweeper support wheels. The four support wheels float generally vertically on their springs, with upper stops for the springs serving also as lower seats for the flanges of the housing top portion. The upper stops permit the four support wheels to floatingly rise further than the drive wheels.

대표청구항 ▼

In a floor sweeper having a handle and a bail attached to said handle, a lower sweeping unit attached to said bail and comprising: (a) a frame having transversely spaced longitudinally extending end plates, (b) dust pans disposed at the front and rear end portions of said frame, (c) front and rear t

In a floor sweeper having a handle and a bail attached to said handle, a lower sweeping unit attached to said bail and comprising: (a) a frame having transversely spaced longitudinally extending end plates, (b) dust pans disposed at the front and rear end portions of said frame, (c) front and rear transversely extending uni-directionally rotatable brush rollers disposed inwardly from the respective front and rear dust pans, (d) means to rotatably drive said brush rollers, (e) and transversely extending deflector means disposed centrally between and serving both said front and rear brush rollers to assist said rollers in carrying debris up from the floor and hence longitudinally outwardly into the respective dust pans.