Supports: cabinet structure – With movable components – Continuously housed
Patent
1998-03-02
2000-08-22
Cuomo, Peter M.
Supports: cabinet structure
With movable components
Continuously housed
312310, A47B 5700
Patent
active
061060844
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a service cart or trolley and then particularly to a catering cart or trolley for use in confined spaces such as the aisles of passenger aircraft and railway diners. The cart is provided with four wheels, at least two of which are castor wheels, and the cart is constructed to receive goods that can be stacked vertically in the cart. An insert whose height is substantially equal to half the internal height of the cart is mounted in the cart and can move vertically.
2. Description of the Prior Art
The catering carts of the kind intended here can be attended to from two opposite directions and are normally designed to carry prepacked food trays placed from the bottom of the cart and upwards, although the carts may alternatively be designed for other purposes. The known catering carts, however, are encumbered with certain drawbacks. For instance, in order to utilize the carts to the best possible extent they are filled with trays from the bottom of the cart to the top thereof, when used to distribute prepacked food trays. This means that the serving personnel are forced to bend down to progressively greater extents as the cart is emptied and finally squat or go down on their knees in order to reach trays that are located at the bottom of the trolley. This applies both when distributing and when collecting the trays, and is an uncomfortable and tiresome task which is liable to result in bodily wear and tear.
SUMMARY OF THE INVENTION
The present invention is intended to facilitate the work of attendant personnel with this type of catering cart or trolley, which is achieved with a catering cart having the characteristic features set forth in the following Claims.
BRIEF DESCRIPTION OF THE PREFERRED DRAWINGS
The invention will now be described in more detail with reference to exemplifying embodiments thereof and also with reference to the accompanying drawings, in which
FIGS. 1, 2 and 3 illustrate schematically an inventive catering cart in various handling stages;
FIGS. 4, 5 and 6 are schematic illustrations of one part of an inventive cart;
FIG. 7 illustrates another embodiment of this part of the cart;
FIGS. 8 and 9 illustrate schematically a part of the inventive cart that has been further modified in relation to FIGS. 4-7; and
FIG. 10 illustrates schematically the construction of a closable flap or cover member.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
FIGS. 1-3 illustrate schematically an inventive catering cart or trolley which comprises two sides 1, a front 2, a back 3 and a top 4. The cart is movable on four wheels, of which the rear wheels 5 are castors. Access can be had to the interior of the cart through an opening in the upper half of the front side 2 of the cart, this opening being closable by means of a flap (not shown). The reference numeral 6 identifies trays intended for serving prepacked food in aircraft, for instance. As will be seen from FIG. 3, the cart includes a raisable and lowerable insert 7 which, in principle, takes-up the lower half of the cart interior and which is constructed to serve as the upper half of the catering cart. The trays 6 are supported on ledges mounted on two opposing inner side-wall surfaces 13. The insert 7 is, in principle, a frame structure that includes a bottom 9, two side walls 10 and a top 11. As will be seen from FIG. 3, tray carrying ledges 8 are fitted to the walls 10 of the insert. The insert 7 is supported on each side thereof by two wire springs that have a general "safety-pin" configuration (shown only on one side in FIG. 3). One end of respective springs 12 supports against the bottom part of the cart while the other end thereof supports the actual insert. Respective wire springs consist of two legs and a wire loop therebetween, as indicated in the drawings.
Access to the interior of the catering cart can be had through the open front 2 in the upper half of the cart, and the trays 6 can be inserted into and removed from the cart through this opening. Serving
REFERENCES:
patent: 2910335 (1959-10-01), Wales
patent: 3494503 (1970-02-01), Kingsley
Thogersen Lars Hojgaard
Toft Nils
Anderson Gerald A.
Cuomo Peter M.
Scandinavian Airline System
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