4684. Willis, P. R. J., [Reed, S., and Howell, H.]. March 7. Bedsteads. - Relates to a device for attachment to the side bars of a bedstead for keeping the mattress or bedding in position. A standard 1, attachable to the bar by a socket 3, carries pivoted arms 8 adjustable in a slot 2 by a wing-nut. In modifications, the arms 8 may be independently riveted to the standard, or may be replaced by an adjustable T-piece, or by a single horizontal member. The sockets 3 are formed with holes 13 for attachment to wooden frames by screws. The Provisional Specification describes also the use of the standard without the adjustable arms.