for a plansifter has a sieve covering a bottom and at least one sieve cleaner including a foot and a plurality of cleaning heads the cleaning heads may have a brush like or nubby configuration the cleaning heads are configured to move erratically on the bottom in response to a vibrating movement of the sieve frame at least a part of the foot closest to the cleaning heads resiliently supports the sieve cleaner such that the cleaning heads are under an elastic intial tension against the sieve covering application_number US 55521500 A description the sieve cleaner 10 depicted in fig1 through 3 comprises a rubber elastic body that has an almost t shaped layout this body 12 forms two cantilever arms 14 which are essentially aligned on one line and carry on their upper side several cleaning devices 16 arranged in one line the cleaning devices 16 can be provided by naps that form one single piece with the body and have a nubby configuration or alternately by bunches of bristles inserted in the body 12 the body 12 also forms a spacer 18 arranged in t shape with reference to the line of cleaning devices 16 and placed out of line somewhat below the cantilever arms 14 at the underside of the cantilever arms 14 stiffening fins 20 are provided which link up with one end of the spacer 18 at the opposite end the spacer 18 has a rising projection 22 the upper end of which is positioned lower than the upper ends of the cleaning devices 16 one foot of the sieve cleaner is formed by two cams 24 26 provided.