CPC Main Group
E05B 37/00 Permutation locks ( electric permutation locks E05B49/00); Puzzle locks
17 direct subcodes
Child Classifications
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- E05B 37/02 with tumbler discs or rings arranged on a single axis, each disc being adjustable independently of the others
- E05B 37/04 with tumbler discs on a single axis, all the discs being adjustable by rotating a shiftable knob
- E05B 37/08 with tumbler discs on a single axis, all the discs being adjustable by a rotary knob which is not shifted
- E05B 37/12 with tumbler discs on several axes
- E05B 37/16 with two or more push or pull knobs, slides, or the like
- E05B 37/20 Puzzle locks