Pin board system with optionally expandable surface has holder with holding elements at each end for information medium; holders form connections between information media

摘要

The system has an optionally expandable pin board surface with holders (1-1i), each with a holding element at each end for an information medium (11-11f), especially a note, letter or similar, whereby the holder forms the connection between two information media. The holding elements are in the form of annular eyes, each with two loops.