Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
259 words
A steering device for a vehicle including a steering wheel, right and left front wheels, front wheel steering means, right and left rear wheels, rear wheel steering means, a pair of right and left rear wheel steering tie rods for connecting said right and left rear wheels and said rear wheel steering means, and an operating shaft for connecting said front wheel steering means and said rear wheel steering means, said rear wheels being steered along with said front wheels under a steering operation of said steering wheel, wherein: said rear wheel steering means comprises a plurality of rotary members operatively cooperating so as to rotate with each other; said operating shaft is operatively connected to the rotational center of one of said rotary members; the inner ends of said right and left tie rods are connected to two of said rotary members at connecting positions which are displaced from the rotational centers of said rotary members, respectively, said connecting positions being disposed on substantially vertical lines passing through said rotational centers of said rotary members when said steering wheel is set at a neutral position thereof; and whereby said rear wheels are rotated in the same direction as that of said front wheels under rotation of said rotary members during low steering angle operation of said steering wheel, and during large steering angle operation of said steering wheel said rear wheels are steered in a direction opposite to that of said front wheels or the steering angle of said rear wheels is reset to zero or near zero.
Claim 2
Dependent Claim
259 words
A steering device for a vehicle including a steering wheel, right and left front wheels, front wheel steering means, right and left rear wheels, rear wheel steering means, a pair of right and left rear wheel steering tie rods for connecting said right and left rear wheels and said rear wheel steering means, and an operating shaft for connecting said front wheel steering means and said rear wheel steering means, said rear wheels being steered along with said front wheels under a steering operation of said steering wheel, wherein: said rear wheel steering means comprises a plurality of rotary members operatively cooperating so as to rotate with each other; said operating shaft is operatively connected to the rotational center of one of said rotary members; the inner ends of said right and left tie rods are connected to two of said rotary members at connecting positions which are displaced from the rotational centers of said rotary members, respectively, said connecting positions being disposed on substantially vertical lines passing through said rotational centers of said rotary members when said steering wheel is set at a neutral position thereof; and whereby said rear wheels are rotated in the same direction as that of said front wheels under rotation of said rotary members during low steering angle operation of said steering wheel, and during large steering angle operation of said steering wheel said rear wheels are steered in a direction opposite to that of said front wheels or the steering angle of said rear wheels is reset to zero or near zero.
Claim 3
Dependent Claim
24 words
A steering device for a vehicle according to claim 1, wherein: said rotary members comprise two gears which are operatively engaged with each other.
Claim 4
Dependent Claim
65 words
A steering device for a vehicle according to claim 1, wherein: said rotary members comprise three gears; said three gears are arranged such that two side gears are engaged with a central gear at both sides of said central gear; said operating shaft is operatively connected to said central gear; and said right and left tie rods are connected to said two side gears, respectively.
Claim 5
Dependent Claim
24 words
A steering device for a vehicle according to claim 1, wherein: said rotary members comprise two sprockets which are cooperatively rotated by a chain.
Claim 6
Dependent Claim
26 words
A steering device for a vehicle according to claim 1, wherein: said rotary members comprise two pulleys which are cooperatively rotated by an endless running belt.