The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 18, 1989
Filed:
Apr. 18, 1988
LeRoy O Nelson, Minnetonka, MN (US);
Media/Graphics, Inc., Minneapolis, MN (US);
Abstract
A locking system is disclosed for rigidly joining together in various configurations display panels having at least one straight edge having an elongated longitudinal undercut retainer channel along that edge. The system comprises a pair of telescoped inner and outer tubular members carrying a plurality of longitudinally spaced and aligned locking members adapted to engage the retainer channels of the panels to be joined. The locking members are retracted for assembly of adjacent display panels, or extended for disassembly, upon relative reciprocal movement of the tubular members. The mechanism for accomplishing reciprocation is described. Locking systems for assembly of display units of various configurations are described.