Metal working – Method of mechanical manufacture – Disassembling
Patent
1991-01-17
1992-09-22
Gorski, Joseph M.
Metal working
Method of mechanical manufacture
Disassembling
294263, 29558, 299 37, B23P 1904, E01C 2308
Patent
active
051485923
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a method for handling floor coverings of the kind which are laid in sections, and comprises the step of taking-up such sections from underlying support surfaces.
The invention also relates to apparatus for carrying out the method.
The floors, inter alia, of exhibition halls and similar locations are normally covered with floor coverings made up of floor-cover sections, usually square sections, which are laid on the floor contiguously to one another, such as to cover the floor area concerned. The floor-cover sections are normally of the kind used in so-called wall-to-wall floor coverings or like coverings, and the floor area concerned will normally be large. In those cases where the floor covering is changed or rearranged relatively often, the task of taking-up and laying the floor covering takes a very long time to complete when done manually. The task of taking-up and laying such floor coverings is also very demanding. In the case of exhibition halls where different exhibitions are held in close succession, it is often essential that the floor covering can be replaced or rearranged quickly.
The present invention relates to a method and apparatus which will greatly facilitate the task of taking-up floor coverings which are laid in sections, and which will also considerably shorten the time taken herewith.
The invention thus relates to a method for handling floor coverings of the kind which comprise sections that are provided with a textile outer surface, and comprises the step of taking-up such floor-cover sections from a substantially flat underlying support surface.
The method is particularly characterized in that when taking-up said sections, a floor-cover section is gripped automatically by the gripping device of a mobile pick-up machine by inserting needle-like gripping elements mounted on the gripping device into at least said outer surface and lifting said section from said support surface, and thereafter releasing said section from the gripping device.
The invention also relates to apparatus for handling floor coverings which consist of floor-cover sections provided with a textile outer surface, comprising the step of taking-up floor-cover sections from a substantially flat support surface.
The apparatus is particularly characterized by a gripping device which is mounted on a mobile pick-up machine and intended to grip automatically a floor-cover section when taking-up the floor covering, and includes to this end needle-like gripping elements which are intended for insertion into at least said outer surface, and said gripping device being intended to lift at least a part of the gripped floor-cover section and to release said section through release of the gripping elements with said floor-cover section.
The invention will now be described in more detail with reference to embodiments thereof and to the accompanying drawings, in which
FIG. 1 illustrates schematically one embodiment of a mobile pick-up machine having a driving and lifting truck part;
FIG. 2 is a schematic part view of a first embodiment of an inventive gripping device;
FIG. 3 is a schematic side view of a device substantially according to FIG. 2;
FIG. 4 illustrates the device of FIG. 3 when seen from the left in said figure;
FIG. 5 illustrates schematically a second embodiment of a gripping device according to the invention;
FIG. 6 is an exploded view of a device essentially according to FIG. 5;
FIG. 7 is a schematic side view of a cam arrangement in a device substantially according to FIGS. 5 and 6;
FIG. 8 illustrates schematically different stages of rotation of gripping elements essentially according to FIG. 7, in which rotation is seen in relation to a radial direction;
FIG. 9 is a schematic, radial sectional-view taken on the line A--A in FIG. 10, through part of a third embodiment of an inventive gripping device;
FIG. 10 is a sectional view taken on the line B--B in FIG. 9;
FIG. 11 illustrates schematically a gripping device according to FIGS. 9 and 10, seen from one side; and
FIG. 12 is a schema
REFERENCES:
patent: 2749103 (1956-06-01), Clemenzi
patent: 2777680 (1957-01-01), Robb
patent: 2906514 (1959-09-01), Becker
patent: 3376071 (1968-04-01), Stein
patent: 3695713 (1972-10-01), Rothi et al.
patent: 4394052 (1983-07-01), Adams et al.
patent: 4640553 (1987-02-01), Zelenka
Camitz Peter
Gadelius Ichi S.
Dungba Vo Peter
Gorski Joseph M.
Proclino Golv AB
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