Book holder for use with stand assemblies

A book holder comprising back plate means, unitary transparent cover plate means substantially coextensive with and movable relative to the back plate means, and means movably connecting the cover plate means with said back plate means to provide movement of said cover plate means toward and away from said back plate means in substantially co-planar relationship including two lateral support arm means fixed relative to said cover plate means and hollow receiver plate means fixed relative to said back plate means, said hollow receiver plate means being of such internal configuration as to enable said lateral support arm means to slide therethrough, and complementary means in said receiver plate means and on said lateral support arm means for automatically holding said lateral support arm means in preselected positions by the weight of said cover plate means.

A base for an article of furniture, comprising a number of base members, and a caster support member for supporting thereon a caster and secured to a respective free end of the base members, said caster support members being substantially L-shaped, having each a shorter and longer leg portion, the shorter leg portion serving for supporting thereon a caster while the longer leg portion is secured in a substantially horizontal bore in the free end of the corresponding base member, and means for preventing splitting of the part of the corresponding base member made from wood which is located below its horizontal bore wile at the same time axially securing said longer leg portion within said horizontal bore including a threaded member screwed into said part of the corresponding base member from the bottom face thereof at substantially right angle to said horizontal bore and extending through a corresponding bore in the longer leg portion.