Patent ID: 8740266
Filing Date: 2014-06-03
Classification: E05B,Y10T

Abstract:
1. A safety knob mechanism suitable for installation on a door, the safety knob mechanism comprising: an inner safety knob that includes a first external rose member, said first rose member having a tapered external surface comprising a truncated cone, said rose member including a flat surface directly joined to said tapered external surface of said first rose member at an angle relative to said tapered surface, said flat surface adapted to be mounted flush with an external surface on a door; an outer safety knob distal from said inner safety knob that includes a second external rose member, said second rose member having a tapered external surface, said rose member including a flat surface directly joined to said tapered external surface of said first rose member at an angle relative to said tapered surface, said flat surface adapted to be mounted flush with an external surface on a door; each of said inner safety knob and said outer safety knob having an internal chamber which contains said latch activating mechanism, each safety knob providing a knob surface which is not suitable for use as a hanging platform; and a latching mechanism located between said inner and outer safety knobs, wherein said inner and outer safety knobs each has a latch activating member which does not require a key and which is coupled to said latching mechanism.