Spring mounting

Claim 2

In a vehicle suspension wherein a spring leaf is mounted intermediate its ends on a transverse relatively nonrotatable axle member supported by ground-engaging wheels and opposite ends of the spring leaf are operatively connected to the vehicle frame, spring-mounting means comprising means defining cooperating cylindrical bearing surfaces on an intermediate portion of said spring leaf and on said axle member, said bearing surfaces extending substantially the width of said spring leaf and providing free rocking of said spring leaf about a substantially fixed axis extending transversely of the vehicle, sad bearing surfaces comprising oppositely curved convex bearing surfaces on the top and bottom of said spring leaf and cooperating similarly curved concave bearing surfaces on said axle member, and said axis being common to all of said surfaces and passing through said spring leaf.

Claim 3

In the suspension defined in claim 1, means providing hard smooth plastic linings at said cylindrical bearing surfaces.

Claim 4

In a vehicle suspension wherein a spring leaf is mounted intermediate its ends on a transverse relatively nonrotatable axle member supported by ground-engaging wheels and opposite ends of the spring leaf are operatively connected to the vehicle frame, spring-mounting mean comprising means defining cooperating cylindrical bearing surfaces on an intermediate portion of said spring leaf and on said axle member extending substantially the width of said spring leaf and providing free rocking of said spring leaf about a substantially fixed axis extending transversely of the vehicle, said spring-mounting means comprising a bracket secured on said axle member and said bracket having upper and lower concave cylindrical surfaces operatively engaging upper and lower cylindrical surfaces rigid with said intermediate portion of said spring leaf, and said spring leaf having opposite sides in rocking bearing engagement with parallel internal flat surfaces withing said bracket.

Claim 5

In a vehicle suspension wherein a spring leaf is mounted intermediate its ends on a transverse relatively nonrotatable axle member supported by ground-engaging wheels and opposite ends of the spring leaf are operatively connected to the vehicle frame, spring-mounting mean comprising means defining cooperating cylindrical bearing surfaces on an intermediate portion of said spring leaf and on said axle member extending substantially the width of said spring leaf and providing free rocking of said spring leaf about a substantially fixed axis extending transversely of the vehicle, said spring-mounting means comprising a bracket secured on said axle member and said bracket having upper and lower concave cylindrical surfaces operatively engaging upper and lower cylindrical surfaces rigid with said intermediate portion of said spring leaf, and said spring leaf having opposite sides in rocking bearing engagement with parallel internal flat surfaces withing said bracket.

Claim 6

In a vehicle suspension wherein a spring leaf is mounted intermediate its ends on a transverse relatively nonrotatable axle member supported by ground-engaging wheels and opposite ends of the spring leaf are operatively connected to the vehicle frame, spring mounting means comprising mean defining cooperating cylindrical bearing surfaces on an intermediate portion of said spring leaf and on said axle member, said surfaces extending substantially the width of said spring leaf and providing free rocking of said spring leaf about a substantially fixed axis extending transversely of the vehicle, and bearing members fixedly secured upon flat parallel upper and lower sides of an intermediate portion of said spring leaf, said cylindrical-bearing surfaces of the spring leaf being formed on said bearing members and said bearing surfaces being concentric about said axis which passes through the spring leaf about midway between said surfaces.

Claim 7

In a vehicle suspension wherein a spring leaf is mounted intermediate its ends on a transverse relatively nonrotatable axle member supported by ground-engaging wheels and opposite ends of the spring leaf are operatively connected to the vehicle frame, spring mounting means comprising mean defining cooperating cylindrical bearing surfaces on an intermediate portion of said spring leaf and on said axle member, said surfaces extending substantially the width of said spring leaf and providing free rocking of said spring leaf about a substantially fixed axis extending transversely of the vehicle, and bearing members fixedly secured upon flat parallel upper and lower sides of an intermediate portion of said spring leaf, said cylindrical-bearing surfaces of the spring leaf being formed on said bearing members and said bearing surfaces being concentric about said axis which passes through the spring leaf about midway between said surfaces.

Claim 8

In a vehicle suspension wherein a spring leaf is mounted intermediate its ends on a transverse relatively nonrotatable axle member supported by ground-engaging wheels and opposite ends of the spring leaf are operatively connected to the vehicle frame, spring-mounting means comprising means defining cooperating cylindrical bearing surfaces on an intermediate portion of said spring leaf and on said axle member, said sUrfaces extending substantially the width of said spring leaf and providing free rocking of said spring leaf about a substantially fixed axis extending transversely of the vehicle, and a bracket rigid with the axle member and having the cylindrical bearing surfaces of said axle member therein, said bracket having vertically spaced generally horizontal walls on which said cylindrical bearing surfaces of the axle member are internally disposed in opposed relation.

Claim 9

In a vehicle suspension wherein a spring leaf is mounted intermediate its ends on a transverse relatively nonrotatable axle member supported by ground-engaging wheels and opposite ends of the spring leaf are operatively connected to the vehicle frame, spring-mounting means comprising means defining cooperating cylindrical bearing surfaces on an intermediate portion of said spring leaf and on said axle member, said sUrfaces extending substantially the width of said spring leaf and providing free rocking of said spring leaf about a substantially fixed axis extending transversely of the vehicle, and a bracket rigid with the axle member and having the cylindrical bearing surfaces of said axle member therein, said bracket having vertically spaced generally horizontal walls on which said cylindrical bearing surfaces of the axle member are internally disposed in opposed relation.

Claim 10

A spring-mounting bracket having means at its lower end for attachment to a nonrotatable axle member and relatively fixed means therewithin providing vertically spaced oppositely facing transverse substantially coaxial cylindrical concave bearings surfaces for rockably mounting a leaf spring, said relatively fixed means comprising an internal bridge on the bracket formed with an upwardly facing recess defining the lower of said cylindrical surfaces, and the upper bearing surface being mounted on the lower side of a bracket wall disposed above said bridge.

Claim 11

A spring-mounting bracket having means at its lower end for attachment to a nonrotatable axle member and relatively fixed means therewithin providing vertically spaced oppositely facing transverse substantially coaxial cylindrical concave bearings surfaces for rockably mounting a leaf spring, said relatively fixed means comprising an internal bridge on the bracket formed with an upwardly facing recess defining the lower of said cylindrical surfaces, and the upper bearing surface being mounted on the lower side of a bracket wall disposed above said bridge.

Claim 12

The bracket defined in claim 6 wherein said upper bearing surface is formed on two separate bearing members insertable from opposite sides and removably secured to said bracket wall.

Claim 13

In a vehicle suspension wherein a spring leaf is mounted intermediate its ends on a transverse relatively nonrotatable axle member supported by ground-engaging wheels and opposite ends of the spring leaf are operatively connected to the vehicle frame, spring-mounting means comprising means defining cooperating cylindrical bearing surfaces on an intermediate portion of said spring leaf and on said axle member, said bearing surfaces extending substantially the width of said spring leaf and providing free rocking of said spring leaf about a substantially fixed axis extending transversely of the vehicle, said mounting means comprising a bracket secured on said axle member and said bracket having upper and lower concave cylindrical surfaces operatively engaging upper and lower cylindrical surfaces rigid with said intermediate portion of said spring leaf.

Claim 14

In a vehicle suspension wherein a spring leaf is mounted intermediate its ends on a transverse relatively nonrotatable axle member supported by ground-engaging wheels and opposite ends of the spring leaf are operatively connected to the vehicle frame, spring-mounting means comprising means defining cooperating cylindrical bearing surfaces on an intermediate portion of said spring leaf and on said axle member, said bearing surfaces extending substantially the width of said spring leaf and providing free rocking of said spring leaf about a substantially fixed axis extending transversely of the vehicle, said mounting means comprising a bracket secured on said axle member and said bracket having upper and lower concave cylindrical surfaces operatively engaging upper and lower cylindrical surfaces rigid with said intermediate portion of said spring leaf.

Claim 15

In a vehicle suspension wherein a spring leaf is mounted intermediate its ends on a transverse relatively nonrotatable axle member supported by ground-engaging wheels and opposite ends of the spring leaf are operatively connected to the vehicle frame, spring-mounting means comprising means defining cooperating cylindrical-bearing surfaces on an intermediate portion of said spring leaf and on said axle member, said bearing surfaces extending substantially the width of said spring leaf and provided free rocking of said spring leaf about a substantially fixed axis extending transversely of the vehicle, and said bearing members being fixedly secured upon upper and lower sides of the intermediate portion of said spring, with said cylindrical-bearing surfaces of the spring leaf being formed on said bearing members.

Claim 16

In a vehicle suspension wherein a spring leaf is mounted intermediate its ends on a transverse relatively nonrotatable axle member supported by ground-engaging wheels and opposite ends of the spring leaf are operatively connected to the vehicle frame, spring-mounting means comprising means defining cooperating cylindrical-bearing surfaces on an intermediate portion of said spring leaf and on said axle member, said bearing surfaces extending substantially the width of said spring leaf and provided free rocking of said spring leaf about a substantially fixed axis extending transversely of the vehicle, and said bearing members being fixedly secured upon upper and lower sides of the intermediate portion of said spring, with said cylindrical-bearing surfaces of the spring leaf being formed on said bearing members.