DIFF Main Group
E05B 37/00 Permutation locks ( electric permutation locks E05B49/00); Puzzle locks
Introduced: September 1968
Title
Titles differ between systems:
IPC: Permutation locks; Puzzle locks
CPC: Permutation locks ( electric permutation locks E05B49/00); Puzzle locks
Full Title
Full titles differ between systems:
IPC:
Permutation locks; Puzzle locks
CPC:
Permutation locks ( electric permutation locks E05B49/00); Puzzle locks
CPC subdivides this area 3x more granularly than IPC with 11 additional codes.
11 codes are CPC-only extensions.
Child Classifications
Navigate with arrow keys, Enter to open
- E05B 37/02 with tumbler discs or rings arranged on a single axis, each disc being adjustable independently of the others +1 CPC IPC+CPC Available in IPC and CPC
- E05B 37/04 with tumbler discs on a single axis, all the discs being adjustable by rotating a shiftable knob IPC+CPC Available in IPC and CPC
- E05B 37/08 with tumbler discs on a single axis, all the discs being adjustable by a rotary knob which is not shifted IPC+CPC Available in IPC and CPC
- E05B 37/16 with two or more push or pull knobs, slides, or the like +2 CPC −1 IPC IPC+CPC Available in IPC and CPC