US Patent 7175881 Apparatus and method for bowling lane maintenance

A bowling lane maintenance apparatus includes a transfer roller and a dressing oil tank configured to contain dressing oil. A wick is configured to pass dressing oil from the tank to the transfer roller. A buffer brush is configured to receive dressing oil from the transfer roller and spread the dressing oil on a bowling lane. The wick may comprise a foam material having a first region having a first capillarity and a second region having a second capillarity differing from the first capillarity. The wick may also be maintained in contact with the transfer roller.