System Of Constructing Display Racking And Shelving
Patent: 3,811,575
Issued: May 21, 1974
Inventor: Richard A. Boegehold, Upper Montclair, NJ
One of two members of this system joins two wall surfaces that define a track. The second includes a pair of plates that overlay each other and a control mechanism for moving the plates apart and into contact with wall surfaces to secure the second member to the first.