Patent ID: 7520490

Claim:
An anchor winch comprising: a casing assembly having a casing having an inside surface; an outside surface; a through hole defined through the casing from the outside surface to the inside surface; and a chain hole defined through the casing from the outside surface to the inside surface; a guiding cover mounted on the outside surface of the casing, partially covering the chain hole, selectively opening and having an inner surface and an open recess defined in the inner surface and communicating with the chain hole; a connecting member resiliently connecting the casing to the guiding cover, biasing the guiding cover to press against the outside surface of the casing and to partially cover the chain hole and mounted through the through hole of the casing; and a guiding rail mounted on the outside surface of the casing and adjacent to the open recess of the guiding cover; a motor mounted on the casing; a capstan mounted rotatably on the outside surface of the casing, connected to and driven by the motor to rotate and having an annular groove defined radially in the capstan and having an inner surface; and a chain mounted through the chain hole in the casing, extending out of the open recess of the guiding cover, guided by the guiding cover and the guiding rail to extend along the guiding rail, wound in the annular groove of the capstan.