Rocker bearing for bridges on similar structures

Claim 2

A rocker bearing comprising upper and lower bearing members having opposed bearing surfaces for supporting loads applied to one of the other said members, an elastic pressure cushion interposed between the bearing surfaces, said elastic pressure cushion having its periphery at least in part enclosed by at least one peripheral casing wall, a plurality of lamellae embedded within said elastic pressure cushion adjacent one bearing surface and spaced about the periphery thereof, each of said lamellae being formed of a material less resilient than said elastic pressure cushion and having a narrow edge extending parallel to said one adjacent bearing surface and a narrow edge extending parallel to the surface of said peripheral casing wall, each of said edges being arranged within said cushion to abut the respective surfaces on application of a

Claim 3

The rocker bearing according to claim 1 wherein one of the bearing members is fixed and is cup shaped and said other bearing member comprises a cover therefore adapted to be movable within said one bearing member, said pressure cushion being located within said one bearing member and said lamellae being arranged on the surface of said pressure cushion to

Claim 4

The rocker bearing according to claim 2 wherein said means for connecting said lamellae comprises a lateraly disposed rib formed of

Claim 5

The rocker bearing according to claim 1 including means for flexibly

Claim 6

The rocker bearing according to claim 1 wherein alternate ones of said lamellae have at least one edge of different lengths than the

Claim 7

The rocker bearing according to claim 5 wherein a first set of alternate ones of said lamellae have their edge extending parallel to the surface of said peripheral casing wall of a length longer than the corresponding edge of the adjacent lamellae and a second set of alternate ones of said lamellae having their edge extending parallel to the bearing surface of a

Claim 8

The rocker bearing according to claim 5 wherein the lamellae of one group are interconnected by means arranged along a shorter narrow side.

Claim 9

The rocker bearing according to claim 5 wherein the lamellae of one set are alternately disposed so as to extend in an angular relationship to the

Claim 10

The rocker bearing according to claim 1 wherein said pressure cushion is formed of a generally highly resilient material provided with a section of

Claim 11

The rocker bearing according to claim 1 wherein the narrow edge extending parallel to the surface of said peripheral casing wall extends

Claim 12

The rocker bearing according to claim 8 wherein said lamellae are provided with cut out portions at least along the narrow edge parallel to

Claim 13

The rocker bearing according to claim 1 wherein the side surfaces of said lamellae are worked to provide an abrasive surface fascilitating

Claim 14

The rocker bearing according to claim 1 wherein said pressure cushion

Claim 15

The rocker bearing according to claim 1 wherein said pressure cushion is formed in two sections, one of said section embedding said lamellae, said lamellae being first embedding within said section and said section

Claim 16

The rocker bearing according to claim 1 wherein said narrow edge extending parallel to said peripheral casing wall has convex cross

Claim 17

The rocker bearing according to claim 1 wherein the surface of the pressure cushion is formed so as to rebound relative to the narrow edges

Claim 18

The rocker bearing according to claim 1 wherein said lamellae are

Claim 19

A rocker bearing comprising a pair of opposed bearing members at least one of which is relatively movable axially toward and away from the other, a resilient pad located between said members to absorb the load placed on said bearing members and a plurality of vertically disposed platlet supports uniformly spaced about the periphery of said pad, said supports being formed of a material less resilient than said pad and embedded within said pad and having one edge lying substantially flush with the

Claim 20

A rocker bearing comprising a pair of opposed bearing members at least one of which is relatively movable axially toward and away from the other, a resilient pad located between said members to absorb the load placed on said bearing members and a plurality of vertically disposed platlet supports uniformly spaced about the periphery of said pad, said supports being formed of a material less resilient than said pad and embedded within said pad and having one edge lying substantially flush with the

Claim 21

The rocker bearing according to claim 18 wherein said pad is surrounded by a peripheral enclosing wall and said platlets have a second edge lying substantially flush with the peripheral surface of said pad in abutment

Claim 22

The rocker bearing according to claim 19 wherein said first and second edges are perpendicular to each other and lie in a plane arranged parallel

Claim 23

A rocker bearing comprising upper and lower bearing members having opposed bearing surfaces for supporting loads applied to one of the other said members, an elastic pressure cushion interposed between the bearing surfaces, said elastic pressure cushion having its periphery at least in part enclosed by at least one peripheral casing wall, a wire helix formed of a material less resilient than said elastic pressure cushion embedded within said elastic pressure cushion adjacent one bearing surface and extending about the periphery thereof, the individual turns of said helix being disposed with its axis rotating in a plane parallel to the bearing surface and having a narrow edge extending parallel to said one adjacent bearing surface and a narrow edge extending parallel to the surface of said peripheral casing wall, each of said edges being arranged within said cushion to abut the respective surfaces on application of a load to said

Claim 24

A rocker bearing comprising upper and lower bearing members having opposed bearing surfaces for supporting loads applied to one of the other said members, an elastic pressure cushion interposed between the bearing surfaces, said elastic pressure cushion having its periphery at least in part enclosed by at least one peripheral casing wall, a wire helix formed of a material less resilient than said elastic pressure cushion embedded within said elastic pressure cushion adjacent one bearing surface and extending about the periphery thereof, the individual turns of said helix being disposed with its axis rotating in a plane parallel to the bearing surface and having a narrow edge extending parallel to said one adjacent bearing surface and a narrow edge extending parallel to the surface of said peripheral casing wall, each of said edges being arranged within said cushion to abut the respective surfaces on application of a load to said

Claim 25

The rocker bearing according to claim 21 wherein the outer surface of the pressure cushion is formed of the material constructed so as to rebound relative the outer surface of the wire helix, in the region

Claim 26

The rocker bearing according to claim 21 wherein said helix is formed

Claim 27

The rocker bearing according to claim 21 wherein said helix is formed

Claim 28

A rocker bearing comprising upper and lower bearing members having opposed bearing surfaces for supporting loads applied to one of the other said members, an elastic pressure cushion interposed between the bearing surfaces, said elastic pressure cushion having its periphery at least in part enclosed by at least one peripheral casing wall, at least one continuous band of material less resilient than said elastic pressure cushion embedded within said elastic pressure cushion adjacent one bearing surface and extending about the periphery thereof, said band being folded in zig-zag corrugation to form lamellae, the fold lines of said corrugation and the longitudinal edge of said band forming narrow edges one of which extending parallel to said one adjacent bearing surface and the other extending parallel to the surface of said peripheral casing wall, each of said edges being arranged within said cushion to abut the

Claim 29

A rocker bearing comprising upper and lower bearing members having opposed bearing surfaces for supporting loads applied to one of the other said members, an elastic pressure cushion interposed between the bearing surfaces, said elastic pressure cushion having its periphery at least in part enclosed by at least one peripheral casing wall, at least one continuous band of material less resilient than said elastic pressure cushion embedded within said elastic pressure cushion adjacent one bearing surface and extending about the periphery thereof, said band being folded in zig-zag corrugation to form lamellae, the fold lines of said corrugation and the longitudinal edge of said band forming narrow edges one of which extending parallel to said one adjacent bearing surface and the other extending parallel to the surface of said peripheral casing wall, each of said edges being arranged within said cushion to abut the

Claim 30

The rocker bearing according to claim 25 including a pair of corrugated bands, the longitudinal edge of one band being arranged parallel to one adjacent bearing wall, and the longitudinal edge of the other band arranged parallel to the surface of the peripheral wall, the corrugations

Claim 31

The rocker bearing according to claim 25 wherein said corrugations are

Claim 32

Method for the production of a pressure cushion for a rocker bearing assembly comprising the steps of providing a plurality of lamellae having a pair of perpendicularly directed edges with a highly flexible interconnecting rib, providing a mold in the desired shape of said pressure cushion, arranging said interconnected lamellae within said mold and arranging the same in accordance with the shape of said mold to extend uniformly about the periphery thereof, filling said mold to form said cushion and embed said lamellae with a material of greater resiliency than said lamellae and so that the narrow edges of said lamellae extend respectively adjacent the face of said cushion and the lateral peripheral surface thereof and curing said material.

Claim 33

Method for the production of a pressure cushion for a rocker bearing assembly comprising the steps of providing a plurality of lamellae having a pair of perpendicularly directed edges with a highly flexible interconnecting rib, providing a mold in the desired shape of said pressure cushion, arranging said interconnected lamellae within said mold and arranging the same in accordance with the shape of said mold to extend uniformly about the periphery thereof, filling said mold to form said cushion and embed said lamellae with a material of greater resiliency than said lamellae and so that the narrow edges of said lamellae extend respectively adjacent the face of said cushion and the lateral peripheral surface thereof and curing said material.