A - Human Necessities – 47 – J
Patent
A - Human Necessities
47
J
A47J 43/22 (2006.01)
Patent
CA 2210425
A manual sifter including a rotor overlying a sifter screen and rotatable in response to longitudinal reciprocation of a drive arm engaging a,crank wheel fixed to the rotor. The drive arm includes a projecting pin engaged within an elongate slot of the crank wheel, the drive arm having a cam edge thereon engage with the crank wheel and operative thereagainst to vary the torque applied to the rotation of the crank wheel as the arm reciprocates.
Backaert Dimitri M.c.j.
Decoster Pieter K.j.
Dart Industries Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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