Trailer mounted boat retainer device

A retainer device for use in combination with a boat trailer, said retainer device adapted to engage the bow eyelet of a boat when resting upon said trailer, said trailer including a generally horizontal frame part, a generally upright front post member attached to said frame part, said retainer device comprising a frame adapted for attachment to said trailer post member, a platform member carried by said device frame, said platform member including a guide slot means opening at one edge of the platform member for receiving said boat bow eyelet, the other end of said platform member including means for connecting said attachment device to said trailer front post member, a securement means pivotally attached to said platform member for engaging and securing said bow eyelet within said slot means and being shiftable between a first position whereby said slot means is open to receive said boat bow eyelet and a second position whereby said securement means extends into said slot means to engage and secure the boat bow eyelet within the slot means, actuating means located in mechanical communication with said securement means for manually shifting the securement means about a pivot axis between its said first and second positions, said actuating means including a rod pivotally mounted on said platform member adjacent a side edge of said securement means, said rod pivotable about a pivot axis spacedly located from said securement means pivot axis and including spaced projections on opposite sides of said rod pivot axis whereby pivoting movement of said rod in one direction causes one of said rod projections to contact said securement means side edge to urge said securement means into its said first position and pivoting movement of said rod in the opposite direction causes the other of said rod projection to contact said securement means side edge to urge the securement means into its said first position.