Safety device for a video cassette

Abstract

Abstract 1. Security system for a video cassette of the VHS type, which consists of two rectangular housing casings (3 and 4) held together by two screws (2, 2a) to form a rectangular shaped housing which has a top wall (5), a rearwall (6), two side walls (7) and a floor (8) and a lid (9) attached pivotally in the direction of the top wall about pivots (10) being arranged in the side walls (7), whereby in the rear wall (6) underneath the lid (9) in the region of the central plane of cross section (12) a sensor hole (13) having a hollow cylindrical wall (14) is arranged, which extends to the top wall (5) and in the longitudinal center of which opposite passages (15) are arranged in alignment with each other, which open out into the inside of the cassette and where in the direction of the central plane (12) there extends a groove (16) to the sensor hole (13) from below and a groove (17) from above and the groove (17) passes through a square hole (18) and reaches to the lid (9) with an aligning cut out (19) and whereby the groove (16) substantially in its longitudinal center on both sides has an arcuate enlargement, and on the floor of the groove a screw head (20) of the screw (2a) is arranged fitting sunkly in the enlargement, characterized in that a cylinder (22) of a cylinder lock (21) is inserted formlockingly into the sensor hole (13), the cylinder lock (21) being provided with at least one key-bolt (25), being operatable in a known manner by means of a key (24) insertable into the lock (21) from above and being to bring out of the cylinder wall (22), said key-bolt (25) being arranged in the height of the passages (15) and engages into one of the passages (15).

Inventors

• 👤 Rolf Söhngen
• 👤 Hans-Joachim Laddicke

Bibliographic Details