초록 ▼

A lift-up mechanism (50, 150) installed inside a vehicle serves to move a seat unit (10, 110) into or out of the vehicle. The seat unit (10, 110) is used as a passenger seat inside the vehicle and as a wheelchair outside the vehicle. Connecting plates (56, 156) are disposed on the lift-up mechanism

A lift-up mechanism (50, 150) installed inside a vehicle serves to move a seat unit (10, 110) into or out of the vehicle. The seat unit (10, 110) is used as a passenger seat inside the vehicle and as a wheelchair outside the vehicle. Connecting plates (56, 156) are disposed on the lift-up mechanism (50, 150) permit the lift-up mechanism (50, 150) to be connected to the seat unit (10, 110) by inserting the connecting plates into connecting recesses (40, 140) formed in the seat unit (10, 110). Front wheels (60, 160) and rear wheels (70, 170) of the seat unit (10, 110) can be retracted and extended. A drive unit having an electric motor or similar drive may be provided to retract and extend the front wheels (60, 160) and the rear wheels (70, 170). An attitude changing arrangement may be provided to automatically change the attitude of the front wheels (60, 160) when the front wheels (60, 160) and the rear wheels (70, 170) are retracted.

대표청구항 ▼

1. A seat unit adapted to be utilized as a wheelchair outside of a vehicle and as a seat inside the vehicle, comprising:a seat frame supporting the seat unit, a pair of retractable front wheels and a pair of retractable rear wheels coupled to the seat frame, an electric motor, front wheel stays, rea

1. A seat unit adapted to be utilized as a wheelchair outside of a vehicle and as a seat inside the vehicle, comprising:a seat frame supporting the seat unit, a pair of retractable front wheels and a pair of retractable rear wheels coupled to the seat frame, an electric motor, front wheel stays, rear wheels stays, the front wheel stays and rear wheel stays supporting vertical rotation of the front wheels and rear wheels with respect to the seat frame, a sliding frame movably supported on the seat frame and driven by the electric motor, a front wheel link arm coupling the sliding frame to the front wheel stays, and a rear wheel link arm coupling the sliding frame to the rear wheel stays.