Road structure – process – or apparatus – Apparatus – With means for profile shaping – e.g. – crown
Patent
1986-01-31
1989-05-09
Massie, Jerome W.
Road structure, process, or apparatus
Apparatus
With means for profile shaping, e.g., crown
404118, 15144R, 152354, 425458, 16110R, E01C 1922
Patent
active
048284270
ABSTRACT:
A cement screed tool includes bracket clamps designed to be attached at each end of a long two-man screed, with pivotable handles being attached to each of the clamps. Operators can grip each combined handle and bracket assembly with both hands while standing sideways to the screed, inasmuch as the pivotable handle arrangement includes a pair of spaced-apart hand grips. One of the hand grips is positioned above and the other hand grip is positioned rearwardly of the screed, with selective pivoting of the handles then being permitted by the operators. The specific positioning of the hand grips relative to the screed board facilitates an accurate and efficient control of the screed by an operator.
REFERENCES:
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patent: 2813466 (1957-11-01), Torgerson
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patent: 4256416 (1981-03-01), Bishop
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patent: 4449845 (1984-05-01), Carillo
patent: 4495669 (1985-01-01), Hooper
patent: 4752156 (1988-06-01), Owens
Kearns Jerry T.
Letchford John F.
Massie Jerome W.
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