Patent ID: 8376415
Filing Date: 2013-02-19
Classification: E05B,E05C,Y10T

Abstract:
1. A method of unlocking one or both of first and second doors, wherein the first and second doors are side by side doors, the method comprising: a) providing first and second rotary input devices, b) providing first means for unlocking said first door responsive to manual rotation of said first rotary input device, c) providing second means for unlocking said first and second doors responsive to manual rotation of said second rotary input device, d) said second means operatively coupled to said first means for activating said first means after predetermined rotation of said second rotary input device, e) providing movable lock rod means for locking and unlocking said first door in response to rotation of said first rotary input device, said lock rod means operatively coupled to both of said first and second means, f) providing a displacement compensation means for compensating the rotary movement of said second rotary input device to the movement of said lock rod means, wherein said displacement compensation means includes a first gear operatively coupled to said first rotary input device, a second gear meshing with said first gear and operatively coupled to an element displaced in response to the throw movement of said second rotary input device, said first gear having a number of teeth N g) wherein one of said first and second rotary input devices is a rotatable knob, and the other of said first and second rotary input devices is a rotatable handle lever.