Drill resistant lock cylinder

E - Fixed Constructions – 05 – B

Patent

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Details

E05B 27/00 (2006.01)

Patent

CA 2578575

A drill resistant lock cylinder (100) is useful for resisting attempts to defeat the cylinder (100) using locks or picks. The cylinder (100) includes a cylinder housing (105) having a central axis. Two pinion cylinders (115, 125) are positioned inside the cylinder housing (105) along the central axis. A combination pin cylinder (120) is positioned along the central axis between the two pinion cylinders (115, 125), and the combination pin cylinder (120) and each pinion cylinder (115, 125) includes axial pinholes (220) there through. Pins (130) located inside the axial pinholes (220) in the combination pin cylinder (120) and the pinion cylinders (115, 125) establish two shear lines along axial ends of the pinion cylinders (115, 125).

Cette invention concerne un barillet de serrure (100) résistant au perçage, qui est conçu pour résister aux tentatives d'ouverture du cylindre (100) au moyen de forets de pics. Ce barillet (100) comprend un logement de barillet (105) comportant un axe central. Deux cylindres à pignons (115, 125) sont placés à l'intérieur du logement de barillet (105) le long de l'axe central. Une combinaison de cylindre à cheville (120) est placée le long de l'axe central le long des deux cylindres à pignons (115, 125), et la combinaison de cylindre à cheville (120) et chaque cylindre à pignons (115, 125) sont traversés par des trous de cheville axiaux (220). Des chevilles (130) placées à l'intérieur des trous de cheville axiaux (220) dans la combinaison de cylindre à cheville (120) et dans les cylindres à pignons (115, 125) établissent deux lignes de cisaillement le long des extrémités axiales des cylindres à pignons (115, 125).

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