Road structure – process – or apparatus – Apparatus – Screed or drag
Patent
1988-11-21
1990-04-03
Kisliuk, Bruce M.
Road structure, process, or apparatus
Apparatus
Screed or drag
404136, 248125, 52365, 52678, E01C 1922
Patent
active
049135821
ABSTRACT:
A screed chair having a base member and at least one threaded vertical member mounted therein supports a screed pipe on a yoke offset from the vertical member such that the yoke and pipe are isolated from rotation during rotation of the vertical member to adjust the height of the screed pipe.
REFERENCES:
patent: 2281946 (1942-05-01), O'Neill, Jr.
patent: 2306671 (1942-12-01), Tamblyn
patent: 2684222 (1954-07-01), Miller
patent: 3006115 (1961-10-01), Hillberg
patent: 3115726 (1963-12-01), Sayles
patent: 4115976 (1978-09-01), Rohrer
patent: 4437828 (1984-03-01), Egger
patent: 4765106 (1988-08-01), Modrovich
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