Abstract: A ring binder locking mechanism has a pair of toggle blades abutting edge to edge with one another within an elongate spring housing. A booster trigger is mounted at each end of the housing for locking the blades and their half rings in a closed position. The trigger is of one-piece metal construction and includes a pair of locking arms engagable with the blades to lock them with the half rings closed.

Abstract: A portable lectern comprising means for releasably a plurality of sheet members of paper or the like retaining and a base member configured and dimensioned for standing in a stable manner on a relatively flat surface. The base member comprises a generally planar section and means for supporting the sheet member retaining means in a predetermined position for viewing the sheet members to facilitate reading or lecturing therefrom. The supporting means are located on at least one side of one edge of the generally planar section. The base member is configured and dimensioned to be selectively removably combinable with the sheet member retaining means to facilitate portability of same for transport, storage, or the like.