Permutation or combination locks Puzzle locks

EFIXED CONSTRUCTIONS E05Locks, keys, safes E05BLOCKS ACCESSORIES THEREFOR HANDCUFFS

E05B37/00Permutation or combination locks Puzzle locks

E05B37/0003preventing detection of the combination E05B37/0006by avoiding unauthorized viewing of the combination E05B37/001through listening or feeling E05B37/0013by producing noise E05B37/0017by producing false clicks; by use of false gates E05B37/002Speed sensors E05B37/0024limited number of tries E05B37/0027X-ray protection E05B37/0031Locks with both permutation and key actuation E05B37/0034actuated by either E05B37/0037with a key requiring successive operations E05B37/0041Key actuation allowing recovery of a lost/forgotten combination E05B37/0044with telephone-type dial E05B37/0048with changeable combination E05B37/0051by moving pins to another hole E05B37/0055by radial disengagement between hub and rim of tumbler discs or rings E05B37/0058by axial disengagement between hub and rim of tumbler discs or rings E05B37/0062Operation by feeling E05B37/0065Master combination E05B37/0068in padlocks E05B37/0072Sign-, picture- or letter-based permutations E05B37/0075Automatic scrambling E05B37/0079when unlocking E05B37/0082when locking E05B37/0086when the wing is opened E05B37/0089when the wing is closed E05B37/0093Obligatory manual scrambling E05B37/0096with tumbler discs arranged on concentric axes, each axis being operated by a different rotating knob E05B37/02with tumbler discs or rings arranged on a single axis, each disc being adjustable independently of the others E05B37/025in padlocks E05B37/04with tumbler discs on a single axis, all the discs being adjustable by rotating a shiftable knob E05B37/08with tumbler discs on a single axis, all the discs being adjustable by a rotary knob which is not shifted for adjusting the discs E05B37/10in padlocks E05B37/12with tumbler discs on several axes E05B37/14in padlocks E05B37/16with two or more push or pull knobs, slides, or the like E05B37/163the knobs being pushed in a prescribed sequence E05B37/166each knob being pushed a predetermined number of times E05B37/20Puzzle locks