Abstract: For a slidably adjustable boat seat or table top, a first plate member for carrying a seat or table top has a pair of underside tracks along parallel outer edges which are slidably engaged or mated with edges of a supporting plate member. One edge of the supporting plate has a series of recesses and there is a cam toothed rod mounted in the mating track which is rotatably spring-biased to rotate the rod to bring the teeth and the recesses into engagement to lock the plates together and a lever handle attached to the rod is provided to manually rotate the rod to disengage the teeth for slidably adjusting the seat position.

Abstract: A boat seat is rotatably supported on a tubular deck-mounted support post or column by a yoke having an annular extension engaging said tubular support. A locking plate having ridges or teeth for engaging slots on the exterior of the tubular support is mounted on the yoke and is selectively movable into locking engagement with said slots by a lever arm to positively prevent rotation of the boat seat. A spring biases the locking plate out of locking engagement when the lever arm is moved to the unlock position.

Abstract: A game apparatus includes a game surface, a game piece which is movable on the game surface, a pair of striker assemblies for moving the game piece on the game surface and a fence assembly which cooperates with the striker assemblies for retaining the game piece within a confined area on the game surface. The striker assemblies are movable in both longitudinal and transverse directions on the game surface, and they are attached to movable sections of the fence assembly so that the confined playing area on the game surface is varied as the striker assemblies are moved during the course of game play.