Railways – Suspended
Reexamination Certificate
2000-04-19
2001-12-04
Le., Mark T. (Department: 3617)
Railways
Suspended
C104S095000, C248S317000, C403S292000
Reexamination Certificate
active
06324988
ABSTRACT:
TECHNICAL FIELD
The present invention relates to a device at rails for exhaust extraction devices which are adapted for removal of exhausts from vehicles, said rail being mounted in premises in which the vehicle is located when the exhausts therefrom shall be removed, wherein a carriage is provided on the rail for movement along said rail when the vehicle moves therealong, wherein a hose is provided on the carriage for feeding exhausts from the exhaust pipe of the vehicle out of said premises and wherein the rail consists of several rail members which are put together or assembled by means of coupling elements.
BACKGROUND OF THE INVENTION
Devices of the abovementioned type are already known from the publication EP 0 895 817. This device normally operates satisfactory, but it has been noticed that the rail members and coupling elements which hold said members together can loosen from each other because of the movements and loads the rails are subjected to by the carriage when said carriage runs along said rails.
SUMMARY OF THE INVENTION
The object of the present invention is to eliminate this problem by simple means and this is arrived at according to the invention.
The invention is an apparatus for removing exhaust from vehicles. The apparatus includes a plurality of rail members which extend linearly. At least one wedge-shaped coupling element extends linearly and is for coupling together the rail members. Each of the rail members has a lower portion and an upper portion. The upper portion defines a wedge-shaped receiving space for receiving the at least one wedge-shaped coupling element. The shape of the wedge-shaped receiving space corresponds to the shape of the at least one wedge-shaped coupling element. Mounting means are for mounting the at least one wedge-shaped coupling element to the rail members. The mounting means are movable in a first direction relative to each of the rail members to pull the at least one wedge-shaped coupling element in a direction opposite the first direction relative to the rail members to wedge together the wedge-shaped coupling element and the rail members. A carriage is suspended on the lower portion of the coupled together rail members for movement along the lower portion of the rail members when the vehicle moves therealong. A hose is connected to the carriage for feeding exhaust from the vehicle.
DESCRIPTION OF THE INVENTION
The device
1
illustrated in the drawings is provided in premises, e.g. a fire station, and it is intended to remove exhausts from vehicles (not shown), e.g. fire-fighting vehicles, located in said premises. The device
1
comprises a rail
2
which is suspended from the ceiling in the premises.
By providing the initially defined device with said characterizing features, the rail members and coupling elements are wedged up to each other and the wedge function improves with increased tightening of the mounting screws. The wedge function also improves with increased loading of the rails by the carriage.
REFERENCES:
patent: 1591973 (1926-07-01), Grossheim
patent: 2997317 (1961-08-01), Scott
patent: 3822101 (1974-07-01), Schneider
patent: 3987877 (1976-10-01), Bulanchuk
patent: 5203135 (1993-04-01), Bastian
patent: 0095817 (1986-07-01), None
patent: 0895817A2 (1999-02-01), None
A.B. Ph. Nederman & Co.
Le. Mark T.
Tarolli, Sundheim, Covell Tummino & Szabo L.L.P.
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