Railways – Trolley rails
Patent
1998-06-26
2000-10-31
Morano, S. Joseph
Railways
Trolley rails
104 89, 104 93, 104108, 104118, 105155, 105148, 105150, E01B 502
Patent
active
061385743
ABSTRACT:
An overhead trolley track system has extruded aluminum track sections having tubular portions, adjacent track sections connected end to end with plates attached to a central upright flange portions formed on each track section. Sealing tubular fittings are slidably received in each end of the rubular portions adjacent sections held by the plates to allow air pressure to be distributed. Air pressure fittings are inserted in drilled holes along the track sections, held in by brackets. The trolleys have rollers engaged with opposite upper sides of the tubular portions, the trolley rollers separable to allow removal from the track sections.
REFERENCES:
patent: 4464996 (1984-08-01), Veith
patent: 4645182 (1987-02-01), Stoll
patent: 4694531 (1987-09-01), Foy
patent: 5231932 (1993-08-01), Enderlein et al.
patent: 5443151 (1995-08-01), Taylor
patent: 5769460 (1998-06-01), Imai
Benefiel John R.
Jules Frantz
Knigh Industries, Inc.
Morano S. Joseph
LandOfFree
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