Geometrical instruments – Gauge – Collocating
Patent
1993-04-05
1994-05-17
Will, Thomas B.
Geometrical instruments
Gauge
Collocating
G01D 2100
Patent
active
053116704
ABSTRACT:
An alignment tool for use by a shingle installer for aligning a row of shingles to be fastened to a roof, the shingles having straight bottom edges relative to a previously fastened row of shingles. The alignment tool includes a pair of flanged brackets that fit snugly against the lower edge of the already fastened shingles and includes an upper edge that allows the shingles to be fastened to be quickly placed thereagainst for proper alignment. The installer can kneel, holding the alignment tool in position while actually fastening the shingles to the roof with his free hands.
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patent: 154522 (1874-08-01), Schramm
patent: 383597 (1888-05-01), Slane
patent: 693054 (1902-02-01), Nelson
patent: 738256 (1903-09-01), Tinklepaugh
patent: 920941 (1909-05-01), Filkin
patent: 952772 (1910-03-01), Webster
patent: 1210469 (1971-01-01), Harshberger
patent: 1414556 (1922-05-01), Dresen
patent: 1504635 (1924-08-01), McCausland
patent: 1645808 (1927-10-01), Gregel
patent: 4110911 (1978-09-01), Sucheck
Popular Mechanics, p. 212, vol. 105, No. 3 Mar. 1956.
Bejusca Peter
Tomoiaga Ioan
Will Thomas B.
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