SHAFT RETAINER WITH LOCK MECHANISM Russian patent published in 2009 - IPC B60R25/02 E05B27/10 E05B65/00 

FIELD: transport.

SUBSTANCE: invention relates to shaft retainers and can be used in vehicles as anti-theft device and as lock to protect various premises. Retainer consists of casing, drum and grip. Casing and drum have pins, aligned along the axis circumference and spring-loaded to make lock mechanism. Lock mechanism pin consists of stepped part, structural part and stepped spring-loaded cylindrical part. Stepped pins smaller-diametre parts are fitted into drum, while their larger-diametre parts seat in casing. Section of smaller-diametre pin seats in both casing and drum. The latter features central stepped and through holes. Casing crown has outer and inner grooves, and outer cone that extends to inner groove center passing into outer groove. Crown inner groove has tapered section facing the casing. The latter is furnished with cylinder to interact with drum stepped hole. Aforesaid cylinder features central dead threaded hole and through hole crossing the former perpendicular to it. Central threaded hole receives threaded tapered pin interacting with stepped locking pins arranged in casing through hole. Aforesaid holes interact with crown tapered groove. Grip has two diametrically opposite slots interacting with stepped locking pins. Grip slot width is smaller than larger diametre of stepped locking pins.

EFFECT: ruling out unauthorised unlocking of vehicle steering shaft retainer.

8 dwg