Fredrikson & Byron, P.A.
Cleaning head assemblies having touch-free attachment and alignment technology
Embodiments include a cleaning head assembly for a floor surface maintenance machine. The cleaning head assembly can include a hub (or cleaning head housing) and a pad or a brush driver, wherein the driver attaches to and aligns axially with the hub (or cleaning head housing) in a touch-free manner.
Tennant Company
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inventional inventional inventional
Leo Jason Steven James Jeremy Clinton Justin Michael Nathan Scott
Baker Leibrandt Stoddard Clark Meyer