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[[ASSA Twin Combi|Read more...]] | [[ASSA Twin Combi|Read more...]] | ||
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<span style="font-size:18px;">'''[[Key bumping]]'''</span> | {| cellpadding="5" | ||
| <span style="font-size:18px;">'''[[Key bumping]]'''</span> | |||
Key bumping is a [[covert entry]] technique used to quickly open [[pin-tumbler]] based [[lock]]s. Key bumping uses a modified [[key]] to create a kinetic energy transfer between top and bottom pins in the lock. Essentially, top pins are "bumped" above the [[shear line]], allowing the [[plug]] to rotate. | Key bumping is a [[covert entry]] technique used to quickly open [[pin-tumbler]] based [[lock]]s. Key bumping uses a modified [[key]] to create a kinetic energy transfer between top and bottom pins in the lock. Essentially, top pins are "bumped" above the [[shear line]], allowing the [[plug]] to rotate. | ||
Revision as of 17:40, 22 July 2009
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The Twin Combi is a pin-tumbler lock made by ASSA. The Combi uses pin-tumblers and a sidebar to provide two layers of security. The Combi has the first sidebar in the Twin series that requires finger pins be raised and rotated properly. |
| Key bumping
Key bumping is a covert entry technique used to quickly open pin-tumbler based locks. Key bumping uses a modified key to create a kinetic energy transfer between top and bottom pins in the lock. Essentially, top pins are "bumped" above the shear line, allowing the plug to rotate. |
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