Patent ID: 7429155

Claim:
A wheelchair-fixing device for fixing a wheelchair to a vehicle, comprising: a floor member on which the wheelchair can be mounted; a front holding member disposed on the floor member configured to hold a front portion of the wheelchair from the front side; and a derrick locking mechanism configured to hold a rear portion of the wheelchair with a rear holding member from the rear side by a raising operation, wherein the derrick locking mechanism comprises: a rail installed in the floor member to extend along the anteroposterior direction of the wheelchair when fixed; a slider configured to be slidable along the rail; a slider driving unit configured to drive the slider to slide; a locking member of which one end is pivotally connected to the floor member and the other end is provided with the rear holding member; and a connecting member of which one end is pivotally connected to the slider and the other end is pivotally connected to a body portion of the locking member.