E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
70/54
E05B 27/00 (2006.01)
Patent
CA 2040892
ABSTRACT LOCK CYLINDER The lock cylinder with an external housing accommodates, on its rear face, a closure element acting upon a mortise lock or the like and with an exchangeably inserted core unit the casing of which contains housing pins as tumblers and a cylinder core equipped wish a key channel, said cylinder core also receiving core pins as tumblers and being connected merely in a plug-in manner to coupling pins which issue from said closure element and project freely into a socket in said external housing serving for insertion of said core unit, wherein engagement of said coupling pins extends only over a rear region, which is free from key channels, of said cylinder core. The invention also provides a tool for cutting coupling pins on lock cylinders, which is designed as a gripper with two shearing jaws which are located axially in series and rest laterally adjacently to or in a carrying mandrel such that one of said shearing jaws is arranged rigidly on said carrying mandrel resting on one gripper arm and the second of said shearing jaws connected to a second gripper arm is rotatably mounted behind it in said carrying mandrel.
Sieg Giselher
Wollweber Peter
LandOfFree
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