A trailer frame including an axle section having two spaced longitudinal frame members connected by at least one cross member, the longitudinal frame members each having a first end and a second end; a rear section attachable to the axle section; and a dimple assemble joining the axle section to the
A trailer frame including an axle section having two spaced longitudinal frame members connected by at least one cross member, the longitudinal frame members each having a first end and a second end; a rear section attachable to the axle section; and a dimple assemble joining the axle section to the rear section, the dimple assembly including a dimple pattern formed on each frame member of the axle assembly, the dimple pattern on the axle assembly defining a first dimple axis, and a dimple pattern formed on one end of the rear section and nestable within the dimple pattern formed on the axle section, the dimple pattern on the rear section defining a second dimple axis offset relative to the first dimple axis to create a camber between the axle section and the rear section when the first dimple is nested within the second dimple pattern.
대표청구항▼
1. A trailer frame comprising: an axle section having at least one frame member having a first end and a second end;a rearward section having at least one frame member having a first end and a second end, wherein the rearward section is attachable to the axle section;and a dimple assembly joining th
1. A trailer frame comprising: an axle section having at least one frame member having a first end and a second end;a rearward section having at least one frame member having a first end and a second end, wherein the rearward section is attachable to the axle section;and a dimple assembly joining the axle section to the rearward section, the dimple assembly including a dimple pattern formed on the at least one frame member of the axle assembly, the first dimple pattern on the axle assembly defining a first dimple axis, and a second dimple pattern formed on one end of the at least one frame member of the rearward section and nestable within the first dimple pattern formed on the axle section, the second dimple pattern on the rearward section defining a second dimple axis offset relative to the first dimple axis to create a camber between the axle section and the rearward section when the first dimple pattern is nested within the second dimple pattern;wherein each of the frame members of the axle section and the rearward section carrying the respective first and second dimple patterns include an upstanding sidewall and wherein the sidewall of the axle section and the sidewall of the rearward section overlap at a joint, wherein the dimple pattern on the axle section is formed on the sidewall of the rearward section and the dimple pattern on the rearward section is formed on the sidewall of the rearward section;wherein the first dimple pattern of the axle section and the second dimple pattern of the rearward section each include plural dimples and wherein the dimples are located near an outer extremity of the joint. 2. The trailer frame of claim 1, wherein each dimple has a circular base, the base defining a central opening adapted to receive a fastener that secures the first dimple pattern to the second dimple pattern. 3. The trailer frame of claim 1, wherein the camber between the axle section and the rear section has an absolute value from 0° to about 2°. 4. The trailer frame of claim 1, wherein the axle section and the rearward section include a pair of laterally spaced longitudinal frame members, wherein the dimple pattern of the axle section is formed in each of the longitudinal frame members of the axle section and the dimple pattern of the rearward section is formed in each of the longitudinal frame members of the rearward section. 5. The trailer frame of claim 1, wherein the plural dimples are spaced vertically by an amount equal to a height of the sidewall minus 2.75 inches. 6. The trailer frame of claim 1, wherein a vertical spacing between the plural dimples in each said dimple pattern ranges from about 2.75 inches to about 4.75 inches. 7. The trailer frame of claim 1, wherein a horizontal spacing between the plural dimples in each said dimple pattern ranges from about 3 inches to about 5 inches. 8. The trailer frame of claim 1, wherein each of said first dimple pattern and said second dimple pattern includes four dimples arranged in two columns and two rows. 9. The trailer frame of claim 8, wherein the four dimples define a rectangular dimple pattern. 10. The trailer frame of claim 1, wherein each dimple pattern includes the plural dimples having a circular base and conical wall extending inward from the sidewall on the respective frame members on the axle section and the rearward section. 11. The trailer frame of claim 10, wherein the base of each said dimple defines an opening adapted to receive a fastener, wherein when the dimple patterns are nested together, the openings of each said dimple on the axle section align with a respective one of the openings on the rear section. 12. The trailer frame of claim 1 further comprising a reinforcement assembly supported on the axle section opposite the rearward section, wherein a portion of the reinforcement assembly overlies and attaches to a portion of the rearward section, when the rearward section is attached to the axle section. 13. The trailer frame of claim 12, wherein the reinforcement assembly includes a plate. 14. The trailer frame of claim 12, wherein the axle section includes the sidewall and a top wall extending laterally outward from the sidewall, wherein the top wall terminates at a joint portion of the axle section; and wherein the rearward section includes the sidewall and a top wall extending laterally outward from the sidewall, wherein upon attachment of the axle section to the rearward section, the top wall of the rearward section extends over the sidewall of the axle section and lies adjacent to the top wall of the axle section at an edge of the joint; and wherein the reinforcement assembly includes a reinforcing member attached to the top wall of each of the axle section and the rearward section at the joint. 15. The trailer frame of claim 14, wherein the reinforcing member is tack welded to the top wall of the axle section. 16. The trailer frame of claim 14, wherein the reinforcing member includes a first portion and a second portion, where the first portion lies adjacent to the top wall of the axle section and is fastened to the axle section by a first fastener, and wherein the second portion lies adjacent to the top wall of the rearward portion, wherein the second portion is attached to the top wall of the rearward portion by a second fastener. 17. The trailer frame of claim 16, wherein the first fastener is a tack weld and the second fastener is a Huck® bolt.
Ferris John R. (30329 Bristol La. Birmingham MI 48010) Daniels Thomas P. (755 N. Allen Rd. Port Huron MI 48060), Demountable trailer suspension system.
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