APPARATUS FOR HYDRAULICALLY OPENING AND CLOSING FRONT DOOR OF STARTING GATE FOR HORSE RACING

摘要

The present invention relates to an apparatus for hydraulically opening and closing a front door of a starting gate for horse racing, capable of simultaneously opening several front doors of the starting gate for horse racing, maintaining strong front door opening and closing force even though an external force is applied when the front doors are open such as movement of a racehorse, and hydraulically opening and closing the front doors to guarantee simultaneity of opening of the front doors. When the strong front door opening and closing force is maintained and the front doors are hydraulically opened and closed to ensure simultaneity of opening of the front doors, a problem in which a difference in opening speeds of front doors of the starting gate for horse racing due to an external force such as movement of a racehorse in using the conventional apparatus for opening and closing front doors of a starting gate for horse racing using magnetic force hampers fair starting, a problem in which opening of the front doors is delayed according to a charge state (or a resistance state of an electric circuit) of a storage battery, and a problem in which adhesive force based on a magnet unit is released to cause malfunction to open the front gates due to an external force such as a collision between horses in a state that there is no electric signal for opening the front gates, are all able to be solved.;COPYRIGHT KIPO 2016