×

SLIP FORM CURB AND GUTTER MACHINE

  • US 3,635,131 A
  • Filed: 02/02/1970
  • Issued: 01/18/1972
  • Est. Priority Date: 02/02/1970
  • Status: Expired due to Term
First Claim
Patent Images

1. In a curb and gutter forming apparatus, the combination comprising, a main frame, a pair of laterally spaced continuous traction tread devices, a mold form, a suspension draft connection between said main frame and said mold form, accommodating said mold form to conform to the line of the roadway upon movement of the apparatus from straight line movement, comprising a drawbar at the front of said main frame, and a vertical pivotal connection suspending the front end of said mold frame from said drawbar, grade and slope conforming connections between said continuous traction tread devices and said main frame supporting said main frame on said traction tread devices and conforming said main frame and Mold form to various grades and lateral sloping conditions of the roadway.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×