Railways – Trolley rails – Single tread
Patent
1981-03-25
1983-07-19
Reeves, Robert B.
Railways
Trolley rails
Single tread
104 93, 104111, 105150, 191 29R, 191 32, E01B 2522
Patent
active
043937853
ABSTRACT:
To permit attachment of a suspended track without drilling of holes lfor installation and connection to support elements (25), the track has an upper hollow structural section (2), for example in essentially semi-circular shape with depending vertical sections (10), a similar lower hollow structural section (2) joined by a connecting web (3), the sections in the web are unitary, the web being of generally horizontal C-shape in cross section, with a generally vertical back portion (11), mutually converging or approaching forward portions (5) which are bent over themselves to form diverging wing portions (6) leaving a groove-like gap (4) therebetween, the ends (7) of the portions (5) and the diverging wing portions (6). Hanger elements (25) can be longitudinally positioned by clamping the hanger elements against internally positioned clamping bars or plates (27), permitting longitudinal alignment by relative sliding of the clamping bars within the C-shaped chamber. Electrical connection bus ways and the like can be applied at the side opposite the gap by snap clips (22) snapped over the web (3) where it is rounded to form the C-shape.
REFERENCES:
patent: 3625158 (1971-12-01), Lorenz et al.
patent: 3922970 (1975-12-01), Glastra
Firma R. Stahl GmbH & Co.
Hubbuch David F.
Reeves Robert B.
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