CONCRETE-PAVING MACHINES

• US 3,602,112 A
• Filed: 09/10/1969
• Issued: 08/31/1971
• Est. Priority Date: 09/18/1968
• Status: Expired due to Term

• Current Assignee: Albert E. Burks
• Original Assignee: Albert E. Burks
• Inventors: Burks, Albert E.
• Primary Examiner(s): Byers, Jr., Nile C.
• Application Number:
  US04/856,736
• Time in Patent Office: 720 Days
• Field of Search: 94/44,45,46
• US Class Current: 404/118
• CPC Class Codes: E01C 19/42 Machines for imparting a smooth finish to freshly-laid paving courses other than by rolling, tamping or vibrating for distributing only E01C19/12; hand-actuated smoothing tools E01C19/44
• CPC Class Codes: E01C 19/486 with non-vibratory or non-percussive pressing or smoothing means; with supplemental elements penetrating the paving to work the material thereof

Abstract

A concrete-paving machine of the kind embodying a conforming plate which, as the machine advances, levels plastic concrete preplaced in front of the machine, has the conforming plate mounted for controlled lateral displacement on the machine so providing supplementary control over its path of travel independent of the machine'"'"''"'"'s steered course.

Claims

1. A concrete-paving machine for placing plastic concrete material along a longitudinal path comprising a main support frame movable along said path, a transverse conforming plate connected to said main frame and extending across said longitudinal path, said plate being adjustably mounted on said main frame for controlled lateral displacement across said longitudinal path and being operable as said machine advances along said path to level plastic concrete material which is placed in front of the advancing machine.

2. A paving machine as claimed in claim 1, wherein the conforming plate is suspended on sets of arms which are pivotally attached to the main frame for swinging movemeNt transversely of the main frame across the longitudinal path.

3. A paving machine as claimed in claim 2, wherein the swinging arms are vertically disposed.

4. A paving machine as claimed in claim 2, wherein the swinging arms are horizontally disposed or are inclined to the horizontal.

5. A paving machine as claimed in claim 2 including guiding means on the main frame for engaging the swinging arms or the conforming plate and preventing strain being transmitted to the arms and their pivots.

6. A paving machine as claimed in claim 1, comprising a subframe on which said conforming plate is carried, and means supporting said subframe on said main frame for horizontal movement in a direction transverse of said longitudinal path.

7. A paving machine as claimed in claim 1, comprising a subframe on which said conforming plate is carried, said subframe being suspended from said main frame by sets of horizontally disposed, longitudinally directed swinging arms having pivotal connections with said main frame and said subframe so that said conforming plate is capable of horizontal movement in a direction transverse of said longitudinal path.