Central belt lock for safety belts

A central belt lock for safety belts, especially such belts for pilots and other aviators or for parachute jumpers, for the rapid and at the same time releasable connection of several belts which are provided with connection members and which come together at a central point;

• the lock includes means for securely holding said connection members in place as well as for releasing the connection members, with said means being operatively coupled with a manually operable rotary member, which is disposed over a central stud in conjunction with which various movements in the lock occur;
• the improvement therewith which comprises:
• said rotary member having disposed adjacent thereto a linearly displaceable device which is operated by finger pressure to move out of a starting position thereof;
• arresting means operatively associated with and having an arresting position to prevent the accidental release of said means for securely holding said connection members in place;
• at least one transfer element operatively associated with said linearly displaceable device and said arresting means for temporarily releasing said arresting means;
• spring means for spring-loading said linearly displaceable device counter to the direction in which said displaceable device is pressed when operated;
• said linearly displaceable device, when returning to the starting position thereof under the effect of said spring means, moving said arresting means back to the arresting position thereof respectively;
• a lock housing having a hook-shaped bead, and also including, as said means for securely holding said connection members in place, a disk which is disposed across from said bead, is displaceable, by means of a hub disposed around said stud which is secured to said housing, at right angles to the base plate of said housing against action of said spring means, and is tiltable in at least that position of said rotary member which permits said connection members to be inserted into said lock;
• the lower end of said hub, remote from said tiltable disk, is provided with an at least partial radial flange which extends outwardly to a location below said connection members which are engaged;
• guide members are provided on said stud;
• an annular cam member is provided to which said rotary member is connected;
• said cam member has cam surfaces, and controls the movements of said tiltable disk by means of said guide members, which move on said cam surfaces when said rotary member is turned;
• the upper end of said stud, remote form said base plate of said housing, has a part which, on that side of said guide members remote from said vase plate of said housing, is provided with a two-winged locking member for arresting said tiltable disk in a securing position;
• the further improvement therewith comprising:
• a stud having an axial bore which is open remote from said base plate of said housing;
• as said part of said stud, a component which is movable in the manner of a gripper, and is disposed in said axial bore of said stud;
• said component part includes gripper members which form said locking member wings, which in turn form said arresting means;
• locking cams provided on the radially inner periphery of said cam member, with said locking member wings being disposed above and in alignment with said locking cams in the functional arresting position of said wings;
• and
• a linearly displaceable device disposed in the center of said rotary member, with said transfer element of said device contacting said gripper members to move said gripper members.