Locking hook for apertured panel

Claim 1

A PERFORATED PANEL HOOK INCLUDING A SHANK HAVING AN AXIALLY EXTENDING OFFSET END FOR INSERTION THROUGH AN APERTURE IN A PERFORATED PANEL AND MEANS TO HOLD SAID SHANK IN RELEASABLE OVERLYING ENGAGEMENT TO A PERFORATED PANEL COMPRISING: (A) LOCK MEANS SPACED FROM SAID OFFSET SHANK END, (B) SAID LOCK MEANS INCLUDING A SLEEVE HAVING AN OFFSET AXIAL APERTURE THERETHROUGH SECURED TO SAID SHANK IN ALIGNED RELATION TO SAID OFFSET END, (C) A PIN ROTATABLY SECURED IN SAID OFFSET AXIAL SLEEVE APERTURE HAVING AN END PORTION PROJECTING BEYOND SAID SLEEVE, SAID END PORTION BEING AT A SUBSTANTIALLY OBTUSE ANGLE TO SAID PIN AXIS, (D) LEVER MEANS AT SAID OPPOSED PIN END WHEREBY SAID PIN MAY BE ROTATED, (E) SAID LEVER MEANS ROTATABLE INTO AND OUT OF PARALLEL ALIGNMENT WITH SAID SHANK, (F) WHEREBY WHEN SAID PIN IS ROTATED SAID ANGLED END PROJECTS LATERALLY BEYOND THE PERIPHERY OF SAID SLEEVE.