Patent ID: 6532779
Filing Date: 2003-03-18
Classification: E05B,Y10S,Y10T

Abstract:
A lockset assembly comprising:an inner handle assembly; a chassis; a latch assembly; an outer spindle; an outer handle assembly of cylinder type, the outer handle assembly of cylinder type comprising a first handle and a cylinder mounted in the first handle; and an outer handle assembly of interchangeable core type, the outer handle assembly of interchangeable core type comprising a second handle and an interchangeable core mounted in the second handle; wherein one of the outer handle assembly of cylinder type and the outer handle assembly of interchangeable core type is releasably engaged with the outer spindle to allow an interchange between the cylinder and the interchangeable core via an interchange between the outer handle assembly of cylinder type and the outer handle assembly of interchangeable core type without the need of replacement of a whole lockset; the first handle of the outer handle assembly of cylinder type comprising a compartment, the cylinder comprising a wing projecting outward therefrom, the compartment being defined by a wall means for receiving the cylinder and the wing, the compartment comprising a cylindrical first portion for receiving the cylinder and a second portion for receiving the wing, the outer spindle further comprising a slot, the cylinder being mounted in the compartment with the wing extending beyond the outer spindle via the slot; the wall means comprising a first insert and a second insert formed on an inner periphery thereof, the first insert being fitted between a side of the wing and an end edge delimiting a side of the slot of the outer spindle, the second insert being fitted between another side of the wing and another end edge delimiting another side of the slot of the outer spindle, thereby preventing undesirable movement of the cylinder.