Patent ID: 7070158

Claim:
A bracket for a system for supporting formwork for forming a crown on a concrete column of a highway bridge, said bracket including: a box-shaped upright defined by spaced apart inner and outer walls connected by sidewalls, a central partition positioned between said sidewalls and connected to said inner and outer walls, sets of aligned openings formed respectively in an upper portion of said inner wall and said outer wall, and a set of tubes positioned on respective sides of said central partition to align respectively with said opening sets, a horizontally positioned support arm defined by spaced apart channel members having inner ends attached to said upright outer wall immediately below said outer wall openings, an end plate attached to outer ends of said channel members, a jack-screw plate formed with a jack- screw opening prepared for disposition of a lower end of a jack-screw and attached to top flanges of said channel members, a jack-screw tube carried by said channel members inward from said end plate to align with said jack-screw plate opening, and a pair of reinforcing plates attached respectively to said channel members and to said upright outer wall, and a pair of angularly positioned tubular braces having lower ends attached to said upright outer wall and upper ends attached respectively to bottom flanges of said support arm channel members, wherein for use, said bracket is affixed to a respective side of said column by a bolt extending outward from said respective side of said column and through one said set of aligned openings in said bracket upright inner and outer walls, said formwork is attached to an upper end of said jack-screw having said lower end disposed in said bracket jack-screw opening, and a vertical location of said formwork is adjusted by rotation of a jack-screw nut operatively disposed on said jack screw.