An appliance for setting up at least one bowling pin. The appliance includes an object recognition device for detecting the bowling pin and an orientation of the bowling pin, wherein the orientation of the bowling pin encompasses a vertical orientation and a horizontal orientation of the bowling pin, at least one robot arm which is designed for gripping and holding the bowling pin and for setting up the bowling pin onto a predefined desired position and a control unit which is designed to evaluate data of the object recognition device and to activate the robot arm in dependence on the predefined desired position of the bowling pin and/or on the detected orientation of the bowling pin.

The purpose of the present invention is to provide a maintenance method for restoring the flexibility of a surface layer of a bowling ball in which the flexibility of the surface layer is lost by volatilization or elution of a plasticizer. In order to solve the above-mentioned problems, a maintenance method of bowling ball is provided, characterized in that a plasticizer is applied to a surface layer of the bowling ball.

The purpose of the present invention is to provide a maintenance method for restoring the flexibility of a surface layer of a bowling ball in which the flexibility of the surface layer is lost by volatilization or elution of a plasticizer. In order to solve the above-mentioned problems, a maintenance method of bowling ball is provided, characterized in that a plasticizer is applied to a surface layer of the bowling ball.

The purpose of the present invention is to provide a maintenance method for restoring the flexibility of a surface layer of a bowling ball in which the flexibility of the surface layer is lost by volatilization or elution of a plasticizer. In order to solve the above-mentioned problems, a maintenance method of bowling ball is provided, characterized in that a plasticizer is applied to a surface layer of the bowling ball.

The purpose of the present invention is to provide a maintenance method for restoring the flexibility of a surface layer of a bowling ball in which the flexibility of the surface layer is lost by volatilization or elution of a plasticizer. In order to solve the above-mentioned problems, a maintenance method of bowling ball is provided, characterized in that a plasticizer is applied to a surface layer of the bowling ball.

An apparatus for cleaning belts of a bowling pinsetter comprising at least one cleaning member for cleaning at least one belt of the bowling pinsetter and a frame for coupling the at least one cleaning member to the bowling pinsetter. The apparatus further comprises at least one positioning member comprising a mechanism for moving and guiding the at least one cleaning member between a cleaning position and a non-cleaning position, wherein the cleaning member is coupled with the bowling pinsetter in the cleaning position and in the non-cleaning position.

An apparatus for cleaning belts of a bowling pinsetter comprising at least one cleaning member for cleaning at least one belt of the bowling pinsetter and a frame for coupling the at least one cleaning member to the bowling pinsetter. The apparatus further comprises at least one positioning member comprising a mechanism for moving and guiding the at least one cleaning member between a cleaning position and a non-cleaning position, wherein the cleaning member is coupled with the bowling pinsetter in the cleaning position and in the non-cleaning position.

In one aspect, the present disclosure relates to a bowling lane conditioning machine. The bowling lane conditioning machine has a drive mechanism for moving the conditioning machine along a bowling lane, a fluid storage tank that stores a conditioning fluid; a dispensing assembly for dispensing the conditioning fluid about the bowling lane; and a pump for moving the conditioning fluid along a flow path between the at least one fluid storage tank and the dispensing assembly. The conditioning machine further includes contaminant sensing assembly positioned along the flow path of the conditioning fluid for detection of one or more contaminants in the conditioning fluid. Other aspects also are described.

In one aspect, the present disclosure relates to a bowling lane conditioning machine. The bowling lane conditioning machine has a drive mechanism for moving the conditioning machine along a bowling lane, a fluid storage tank that stores a conditioning fluid; a dispensing assembly for dispensing the conditioning fluid about the bowling lane; and a pump for moving the conditioning fluid along a flow path between the at least one fluid storage tank and the dispensing assembly. The conditioning machine further includes contaminant sensing assembly positioned along the flow path of the conditioning fluid for detection of one or more contaminants in the conditioning fluid. Other aspects also are described.

An automatic golf ball washer includes a substantially enclosed body that can receive one or more golf balls onto a rotary carriage that spins the golf ball within a supply of washing fluid and contacts the moving golf ball with stationary brushes within the body.