Patent ID: 8801055

Claim:
A door lock mechanism comprising: a door handle including a turning grip part attached to the door outer panel; a key cylinder which is incorporated into the door handle or is arranged separately from the door handle and attached to the door outer panel; a door sash which is formed in a cross section roughly sideways U shape, fixed to the door inner panel and guides the window glass to move up and down; an open rod which is arranged in a roughly up/down direction in order to pass between the door sash and the door outer panel, engages with the turning of the grip part and opens a door by moving in a first direction; a key rod which is arranged in a roughly up/down direction in order to pass between the door sash and the door outer panel, the top end part of the key rod being linked to the key cylinder, the bottom end part of the key rod being linked to a door latch, and locks the door by moving in a second direction; a first engaging part which is attached to said open rod and protrudes in a direction which intersects a movement direction of said open rod; a second engaging part which is attached to said key rod and protrudes in a direction which intersects a movement direction of said key rod; and a displacement restricting part which is fixed to the door sash and positioned further to the inside of the vehicle than said first engaging part and second engaging part; wherein said displacement restricting part has a shape which interposes said first engaging part and said second engaging part and restricts the movement of said open rod and said key rod respectively in the first direction and the second direction when said open rod and said key rod are pushed by the deformed door outer panel, move towards the inside of the vehicle and further move in the first direction and the second direction respectively.