KNOB FOR DOOR LEAF Russian patent published in 2007 - IPC E05B1/00 

FIELD: ironmongery, particularly handles for door leaf or similar member.

SUBSTANCE: knob has canopy and knob bearing installed in canopy and having support part. The bearing includes inner and outer rings arranged so that outer ring is installed in canopy. Inner ring includes minor upper and major lower ring members provided with facets formed in ring member ends facing each other. The facets define race for rolling element of the bearing. Support part of the bearing is made as lid arranged on door leaf surface and rotation limiter connected to knob.

EFFECT: improved service characteristics and reliability, elimination of gaps in the knob, provision of smooth and quiet knob movement, enhanced appearance, increased accuracy of knob member location and service life, possibility to take radial and axial loads.

3 cl, 9 dwg