DOOR ARRESTER Russian patent published in 1996 - IPC

FIELD: lock production. SUBSTANCE: door arrester has body 1, cover 2, spring loaded cross bar 3 with two ledges 4, control cam 5 with stop 6 and push rod 7, external handle 8 and internal handle 9 spring loaded about cover plates 10 and 11 with springs 12 and interrelated using rod-core 13 placed in the body and located in hubs of external and internal handles and control cam. Mean for additional locking includes stop 14 with paw 15 on the hub of internal handle 9. The stop is coaxial to rod-core 13. The stop 14 is placed between the body and cover plate of internal handle 9. At least one stopping ledge 16 is placed on internal surface of cover plate 11 of internal handle 9 to interact with paw of stop 14. The arrester is provided with mean of additional stopping the arrester in open position. The mean is made identically to the mean of additional locking. The mean is placed between the body and cover plate of external handle 8. EFFECT: reliability. 2 cl, 4 dwg