Patent ID: 7469944

Claim:
A vehicle door checker that does not accumulate water, thus avoiding freezing of the water that would prevent operation of the door checker, comprising: a housing attachable to a vehicle door; an arm having a first portion attachable to a vehicle, and a second portion that moves through the housing when the vehicle door is moved; a slider held within the housing, the slider in sliding contact with the second portion of the arm inside of the housing; a helical spring held within the housing, the helical spring biasing the slider against the second portion of the arm; and a water management dam provided within the housing such that water is prevented from accumulating within the housing, wherein a gap is provided between the spring and the housing holding the spring and wherein the water management dam is comprised of a foam placed on the inside of the spring, between individual coils of the spring and within the gap provided between the spring and the housing.