Sliding roller bearing

Claim 2

A sliding roller bearing comprising: a base having an endless track surface from a load zone through a first transfer zone, a no-load zone and a second transfer zone back to said load zone, said track surface being disposed in a groove in said base in said no-load zone, said track surface being elevated above said base in said load zone and in said transfer zones; a plurality of stepped rollers each adapted to roll around said track surface; and a pair of guides carried by said base one on each longitudinal side of said endless track surface in position to provide lateral guides for said rollers when on said track surface in said load zone and in said transfer zones.

Claim 3

The bearing of claim 1 wherein said guides are carried by said base immediately adjacent said track surface to thereby provide a guide for said rollers on the track surface side of the axis of said rollers when positioned on said track surface.

Claim 4

The bearing of claim 2 wherein each of said rollers includes a hollow cylinder adapted to roll on said track surface and a relatively longer hollow pin carried coaxially within said roller and extending axially therefrom on both ends to thereby form a stepped roller.

Claim 5

The bearing of claim 3 including end caps secured to said base in a plane passing through the approximate center of said transition zones parallel to the planes of said endless track surface in said load and noload zones for guiding said rollers while in said transfer zones.

Claim 6

The sliding roller bearing of claim 4, wherein said end caps are provided with oil grooves at both sides of a curved transfer portion cooperating with said track surface in said transfer zones.

Claim 7

The sliding roller bearing of claim 7, wherein each of said plurality of rollers is a stepped roller comprising a hollow cylindrical roller and a relatively longer hollow pin coaxially inserted therein to protrude axially therefrom at both ends.

Claim 8

The sliding roller bearing of claim 1 including end caps secured to said base in a plane passing through the approximate center of said transition zones parallel to the planes of said endless track surface in said load and no-load zones for guiding said rollers while in said transfer zones.

Claim 9

The sliding roller bearing of claim 7, wherein said end caps are provided with oil grooves at both sides of a curved transfer portion cooperating with said track surface in said transition zones.

Claim 10

sliding roller bearing comprising: a base having an endless track surface from a load zone through a transfer zone, a no-load zone and a second transfer zone back to said load zone;

Claim 11

sliding roller bearing comprising: a base having an endless track surface from a load zone through a transfer zone, a no-load zone and a second transfer zone back to said load zone;

Claim 12

a plurality of stepped roller each adapted to roll around said track surface; and a pair of guides carried by said base one on each longitudinal side of said endless track surface in position to provide lateral guides for said rollers when on said track surface in said load zone and in said transition zones, said guides being carried by said base adjacent said track surface to thereby provide a guide for said rollers on the track surface side of the locus of the axis of said rollers when rolled around said endless track surface.

Claim 13

a plurality of stepped roller each adapted to roll around said track surface; and a pair of guides carried by said base one on each longitudinal side of said endless track surface in position to provide lateral guides for said rollers when on said track surface in said load zone and in said transition zones, said guides being carried by said base adjacent said track surface to thereby provide a guide for said rollers on the track surface side of the locus of the axis of said rollers when rolled around said endless track surface.

Claim 14

The sliding roller bearing of claim 9, wherein each of said plurality of rollers is a stepped roller comprising a hollow cylindrical roller and a relatively longer hollow pin coaxially inserted therein to protrude axially therefrom at both ends.

Claim 15

The sliding roller bearing of claim 9, wherein said end caps are secured to said base in a plane passing through the approximate center of said transition zones parallel to the planes of said endless truck surface in said load and no-load zones.

Claim 16

The sliding roller bearing of claim 11, wherein said end caps are provided with oil grooves at both sides of a curved transfer portion cooperating with said track surface in said transfer zones.

Claim 17

A sliding roller bearing comprising: a base having an endless track surface from a load zone trough a first transfer zone, a no-load zone and a second transfer zone back to said load zone, said track surface being disposed in a groove in said base in said no-load zone, said track surface being elevated above said base in said load zone and in said transfer zones;

Claim 18

A sliding roller bearing comprising: a base having an endless track surface from a load zone trough a first transfer zone, a no-load zone and a second transfer zone back to said load zone, said track surface being disposed in a groove in said base in said no-load zone, said track surface being elevated above said base in said load zone and in said transfer zones;

Claim 19

a plurality of rollers each adapted to roll around said endless track surface; and guide means carried by said base in position to provide lateral guides for said rollers when on said track surface in said load zone.

Claim 20

a plurality of rollers each adapted to roll around said endless track surface; and guide means carried by said base in position to provide lateral guides for said rollers when on said track surface in said load zone.

Claim 21

The bearing of claim 13, wherein said guide means is carried by said base in position to provide a guide for said rollers on the track surface side of the axis of said rollers when positioned on said track surface.

Claim 22

The bearing of claim 13, wherein said guide means includes a pair of elongated guide members carried by said base one on each longitudinal side of said elevated track surface immediately adjacent said elevated track surface at the lateral sides thereof.

Claim 23

A sliding roller bearing comprising: a base having an endless track surface from a load zone through a first transfer zone, a no-load zone and a second transfer zone back to said load zone, said track surface being disposed in a groove in said base in said no-load zone, said track surface being elevated above the entirety of said base in said load zone; a plurality of rollers each adapted to roll around said endless track surface; and guide means carried by said base in position to provide lateral guides for said rollers when on said track surface in said load zone.

Claim 24

A sliding roller bearing comprising: a base having an endless track surface from a load zone through a first transfer zone, a no-load zone and a second transfer zone back to said load zone, said track surface being disposed in a groove in said base in said no-load zone, said track surface being elevated above the entirety of said base in said load zone; a plurality of rollers each adapted to roll around said endless track surface; and guide means carried by said base in position to provide lateral guides for said rollers when on said track surface in said load zone.

Claim 25

A sliding roller bearing comprising: a base having an endless track surface from a load zone through a first transfer zone, a no-load zone and a second transfer zone back to said load zone, said track surface being disposed in a groove in said base in said no-load zone, said track surface being elevated in said load zone and in said transfer zones above the highest planar surface of said base; a plurality of rollers each adapted to roll around said endless track surface; and guide means carried by said base in position to provide lateral guides for said rollers when on said track surface in said load zone.

Claim 26

A sliding roller bearing comprising: a base having an endless track surface from a load zone through a first transfer zone, a no-load zone and a second transfer zone back to said load zone, said track surface being disposed in a groove in said base in said no-load zone, said track surface being elevated in said load zone and in said transfer zones above the highest planar surface of said base; a plurality of rollers each adapted to roll around said endless track surface; and guide means carried by said base in position to provide lateral guides for said rollers when on said track surface in said load zone.

Claim 27

A sliding roller bearing comprising: a generally U-shaped base with a lateral portion and two generally parallel legs; said base having an endless track surface from a load zone through a first transfer zone, a no-load zone and a second transfer zone back to said load zone; said track surface being disposed between the legs of said base in said no-load zone and being elevated above said lateral portion in said load zone; a plurality of stepped rollers around said track surface; and a pair of guides carried by said base one on each longitudinal side of said endless track surface in position to provide lateral guides for said rollers when on said track surface in said load zone.

Claim 28

A sliding roller bearing comprising: a generally U-shaped base with a lateral portion and two generally parallel legs; said base having an endless track surface from a load zone through a first transfer zone, a no-load zone and a second transfer zone back to said load zone; said track surface being disposed between the legs of said base in said no-load zone and being elevated above said lateral portion in said load zone; a plurality of stepped rollers around said track surface; and a pair of guides carried by said base one on each longitudinal side of said endless track surface in position to provide lateral guides for said rollers when on said track surface in said load zone.