US Patent 8657294 Lifting device for hammer game machine

A lifting device for hammer game machine includes frame, a motor laterally mounted to a lower portion of the frame, a seat longitudinally mounted to an upper portion of the frame, a lifting unit partially received in and extending through the seat, a first bracket is secured on a lower end of the lifting device, a linkage assembly connected to the motor and a second bracket laterally mounted onto the linkage assembly through the frame. The first bracket and the second bracket are slidably relative to the frame and selectively connected to each other before being operated.