Amf Bowling, Inc.

David Russell VanDuyn

Steven Wayne Stuart

The ball lift device includes an improved track structure for stabilizing a bowling ball along a path of travel or guide path as it is lifted within the device. The device includes a means for lifting the ball by use of a pair of rotating V wheels and a drive means which rotates the V wheels through a drive belt which is driven by a motor. The V wheels are housed within a frame which has an entrance point for receiving the bowling ball to be lifted, and an exit point which ejects the bowling ball at a specified height. A guide support or single track structure defines the path of travel in which the ball is lifted through the device. The guide support includes a guide support bracket and a wear strip mounted over the bracket. A pair of side wear strips extend along the path of travel and are positioned so as to laterally stabilize the bowling ball as it is lifted along the guide support. The method of lifting includes the steps of providing a lifting device, introducing the ball into the lifting device along a path of travel, contacting the ball with a guide support assembly along a center line of the path of travel, and lifting the ball wherein the ball maintains contact against the guide support along the center line and is stabilized with at least one side wear strip.

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Golden, CO, United States of America

David Russell VanDuyn