Baths – closets – sinks – and spittoons – Dry closets – Receptacle type
Patent
1983-02-18
1985-05-28
Phillips, Charles E.
Baths, closets, sinks, and spittoons
Dry closets
Receptacle type
A47K 1100
Patent
active
045191042
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a device for collecting solid or fluid waste on which one end of a tube made by thin, flexible and preferably impermeable material of considerable length, which is folded or pleated in an accordion-like fashion and kept outside a funnel-shaped body, from where it is advanced over the upper edge of the body through a duct through the body in addition to which under the duct there is a waste-receiving chamber to which the tube is advanced by means of the duct and a feed mechanism arranged to feed a pre-decided length of the tube and its contents into the waste receiving chamber, where said feeding mechanism consists of two opposite rollers which are transverse in relation to the feeding direction of the tube and between which the tube is advanced and which are brought to rotate in opposite directions at equal speed in the feeding movement and which are equipped with radially pertruding flanges which are elongated along the full length of the rollers.
There are several known embodiments of such waste-receiving devices which are used to pack waste from public conveniences, industries or hospitals in a hygienic and non-polluting manner. Particularly in connection with the first mentioned range of application it appears that people allow such big objects, e.g. beer cans etc., to get into the duct of the waste-receiving chamber by negligence or destructiveness so that the function of the feeding mechanism is jeopardized. It is obvious that this puts into trouble both those that later want to use the waste-receiving device and those whose job it is to do something about possible disturbances of the function.
The object of the present invention is to achieve a waste-receiving device as described by way of introduction which is constructed so that the feeding mechanism unimpededly lets through waste or other objects which can get through said duct and this is enabled by the radially protruding flanges at the gables of the rollers are equipped with tilted sliding surfaces onto which the points of the flanges of the other roller are arranged to slide when the rollers rotate allowing a space to arise for the collected waste between the flanges during the feeding. Hereby one achieves a safe feeding of the waste and a reduced part of air in the waste fed into the tube.
According to another special characteristic of the invention at least one of its rollers is mounted in bearings to allow it to springingly be slid in one direction transverse to said feeding direction at least as much as equally to the smallest elongation of the cross section of the duct.
By making the spring suspension adjustable and the bearing of the rollers of the feeding attachment in such a way that the axle of one or both of the rollers can be tilted, according to other special characteristics of the invention, the waste-receiving device can be partly adapted to particular types of wastes, at the same time as a certain labyrinth action between the rollers, their flanges and the tube creates such a seal that nasty-smelling gases cannot get out of the part of the tube which is in the waste-receiving chamber, and partly objects which could jeopardize the function of the feeding mechanism can easily pass through said mechanism.
Even though this invention in the following will be explained in connection with drawings that show the invention applied on a toilet of the dry type, it is obvious that the invention must not be apprehended as limited only to this application. On the contrary a man skilled in the art can achieve the necessary modifications for the waste receiving device to be used for collecting polluting waste from industries or hospitals, within the scope of the invention.
On the enclosed drawings,
FIG. 1 shows schematically and in a side view a toilet of the dry type designed according to this invention.
FIG. 2 shows the toilet in FIG. 1 in a front view.
FIG. 3 views the design of the feeding mechanism of the toilet from above obliquely and from the side and FIGS. 4a, 4b, 4c views its function.
FIG. 5 illustra
REFERENCES:
patent: 3452368 (1969-07-01), Couper
patent: 3648302 (1972-03-01), Winters
patent: 3665522 (1972-05-01), Backlund et al.
patent: 3693193 (1972-09-01), May
patent: 3878572 (1975-04-01), Eriksson
patent: 4025969 (1977-05-01), Dahlen
Klintland
Phillips Charles E.
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