HASP LOCK Russian patent published in 1997 - IPC

FIELD: locking devices, applicable in industrial buildings and in household. SUBSTANCE: hasp lock has body 1 accommodating cross bar 2 in form of rack, gear 3 with three holes on the end engageable with cross bar. Holes 4 serve for fixation that increases the number of combinations. Besides, these holes are located with displacement from straight line running through center of circumference that also considerably increases the range of places comprising combinations. Additional fixation of cross bar with the aid of projection 7 of latch 10 and respective recess 8 in cross bar makes for improvement of lock manufacture and increased combinations. In order to make such design of hasp lock operate, the body has two bosses in which spring-loaded fixing devices 6 and 13 are installed coaxially to holes 4 and 11 gear 3 and latch 10, and also axles on which gear 3 and latch 10 are installed for turning. Lock key is made so that its one side presents a bent bell-crank with projections engageable with spring-loaded fixing devices 6, and the other side presents a bent bell-crank with projections engageable with spring-loaded fixing devices 13. EFFECT: higher combination and adaptability for manufacture of the hasp lock design. 3 dwg