A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
64/22, 15/91
A47L 11/14 (2006.01) A47L 11/164 (2006.01)
Patent
CA 1087816
ABSTRACT A machine head assembly of the type utilized with rotary floor surface treating machines comprises means for connecting the machine head assembly to the machine's drive shaft connected to a novel flexible annular torque-transmitting member which is connected to a means for engaging a floor surface treating article such as a brush or floor polishing or treating pad. The novel flexible torque-transmitting member comprises a hollow open-ended body having an internal ring at its top end for attachment with the drive shaft connecting means and an external flange at its bottom end for attachment with the means for engaging a floor surface treating article. The interior of the torque-transmitting member has a multiplicity of spaced ribs having their bottom edges disposed approximately in the plane defined by the bottom surface of the external flange.
286887
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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