Abstract: A retractable goal post device is provided which comprises telescoping upright sections which are retracted when not in use into a casing disposed below ground level with a hinged top cover flush with the surface of the playing field. The top cover can be raised to permit raising and lowering of the goal post but is lowered at other times so as to not interfere with the play on the field. A hydraulic activating device is provided for raising and lowering the goal post and the top cover of the casing. Artificial turf is provided to cover the top cover portion of the casing.

Abstract: A post for supporting tennis nets, volley ball nets and other nets of similar purpose that provides a maximum safety advantage to the players of said games, yet offering a device of strict simplicity comprising a minimum of movable parts and which strongly resists bending or breakage under high tension, shear, or compression loadings. The game net support post is telescopically insertable and removably placed in a support surface socket, the post being substantially rectangular in cross-section. Placed near the lower end of the post is a transverse bolt for limiting downward movement of the post within the socket. The upper end of the post is provided with a transverse recessed trough. The trough is extended across the upper horizontal surface and a short distance down one of the sides of the post. Attached to the side of the post is an elongated turnbuckle. The turnbuckle has one of its ends attached to the side of the post on which the trough extends.