Book wrong placement prompting mechanism convenient to manage

• Main Author: GUO ZHENQI
• Format: Patent
• Language: Chinese; English
• Published: 12.01.2021
• Subjects: ADVERTISING; CABINETS; COFFEE MILLS; CRYPTOGRAPHY; DESKS; DISPLAY; DISPLAYING; DOMESTIC ARTICLES OR APPLIANCES; DRAWERS; EDUCATION; FURNITURE; GENERAL DETAILS OF FURNITURE; HUMAN NECESSITIES; LABELS OR NAME-PLATES; OFFICE FURNITURE; PHYSICS; SEALS; SIGNS; SPICE MILLS; SUCTION CLEANERS IN GENERAL; TABLES

The invention relates to the technical field of book placement, and discloses a book wrong placement prompting mechanism convenient to manage. The mechanism comprises a placement frame, a sliding block is movably connected to the inner wall of the placement frame, an electric contact rod is movably...