KEY GUIDE FOR DOOR LOCK Russian patent published in 1994 - IPC

Abstract RU 2021452 C1

FIELD: mortise locks. SUBSTANCE: key guide has body with cover and bushing with longitudinal groove secured to cover. Trick members are made in compliance with key profile. Trick members set includes protrusion in form of cylindrical pin secured with its one end parallel to rod axis and two arched members located concentrically relative to rod longitudinal axis and secured to body wall. One of arched members is made circular. EFFECT: higher efficiency. 3 dwg

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RU 2 021 452 C1

Authors

Nefedov V.F.

Markov V.A.

Dates

1994-10-15—Published

1991-06-21—Filed