Patent ID: 8239997

Claim:
A mop strainer, comprising: a bucket comprising: a chamber for receiving water; and a pedal mount formed into the bucket; a driving unit mounted inside the pedal mount and comprising: a base fixedly mounted on the bucket; two erect wings mounted in parallel on the base; and a reciprocating pedal having: a sector wall having two bevel edges, a limit slot formed therethrough, a recess formed in one side thereof, and multiple reinforced ribs formed on the recess; an arced rack formed on a bottom of the recess of the sector wall and beneath the limit slot; and a foot rest horizontally extending from one of the two bevel edges of the sector wall, and having a first end pivotally mounted on the two erect wings; a transmission unit received inside the pedal mount, located within the base, the reciprocating pedal and one erect wing, and having a gear assembly engaging the arced rack of the driving unit; and a draining unit fixedly connected to the gear assembly, driven thereby to rotate unidirectionally, and having a rod, one end of the rod sleeved by a unidirectional bearing of the gear assembly; a basket received in the chamber of the bucket and having a ring wall, a bottom of the basket centrally fixed with the other end of the rod and is unidirectionally rotated by the gear assembly; and a water guard located in the chamber of the bucket, externally surrounding a segment of the ring wall of the basket facing a portion of an inner wall of the bucket above the pedal mount, and having a mop gripper extending from a periphery of the water guard opposite to the basket.