Patent ID: 9416560
Filing Date: 2016-08-16
CPC Classification: E05B,Y10T

Claim Text:
1. A door handle mounting system comprising a door face plate having a handle mounting hole therein, a handle having a shank portion being cylindrical and projecting from a connecting end of said handle the shank portion having a longitudinal axis, said shank portion having engageable means on an outer face thereof in the form of a cylindrical groove positioned to be disposed spaced rearwardly of a rear face of said face plate, circumferential abutment means associated with said handle and extending about said shank portion for abutment about said mounting hole on an outer face of said face plate when said shank portion is disposed thereinto, a retainer ring being a single unitary piece formed of flexible, non-metallic material and having a circumferential side wall being adapted for engagement about said shank portion adjacent said rear face of said face plate, said circumferential side wall having an integrally formed engaging formation in the form of a ring projection integrally formed in an inner face thereof for locking and close-fit retention engagement with said engageable means for blocking movement of the retainer ring along the longitudinal axis of the shank portion, said circumferential side wall having an integrally formed flexible tensioning portion projecting outwardly from a circumferential edge of said circumferential side wall towards said rear face of said face plate for flexible and direct abutment with said rear face of said face plate, said engaging formation when in locking and retention engagement with said engageable means causing said tensioning portion to apply a pulling force in a direction parallel to the longitudinal axis on said shank portion to retain said handle operationally secured to said face plate with said circumferential abutment means pulled in a direction parallel to the longitudinal axis toward said mounting hole, said retainer ring has an annular projecting flange adapted to project about said cylindrical shank portion and into said handle mounting hole to substantially fill a space between said cylindrical shank portion and a circumferential edge of said handle mounting hole.