Roll-block and to a roll-way assembled from roll blocks

Details Roll-block and to a roll-way assembled from roll blocks Roll-block and to a roll-way assembled from roll blocks

1987-10-29

1989-08-29

Werner, Frank E.

Conveyors, chutes, skids, guides, and ways

Rollerways

Submerging and rising

193 37, 104135, B65G 1300

Patent

active

048608750

DESCRIPTION:

BRIEF SUMMARY
TECHNICAL FIELD

The invention relates to a roll block and to a roll-way which is assembled from a multitude of such roll blocks.


DISCLOSURE OF THE INVENTION

It is the object to be achieved by the invention to provide a roll block and a roll-way assembled from such roll blocks which permit frictionless displacement of goods or vehicles placed thereupon.
According to the invention this object is achieved in respect of the roll block in that the roll block contains a base body possessing a roll surface into which there is embedded in a rollingly moveable manner a multitude of rolling balls which are closely spaced from each other and located in associated spherical cavities. The rolling balls protrude from the associated spherical cavities by less than half their circumference.
The roll surface of the inventive roll block, due to the presence of the rolling balls, forms a rolling support which permits a particularly easy displacement of objects, goods or vehicles placed upon the roll blocks. In this arrangement the rolling balls are embedded in the spherical cavities such that contamination of the bearing support is precluded to a wide extent. The base body and the rolling balls can be manufactured from common materials in a manner such that there is achieved adaptation to the load occurring in each instance. Advantageous constructions of the inventive roll blocks are characterized in dependent claims.
The inventive roll-way is assembled from the roll blocks which are provided at least at a portion of their circumference with engagement elements for producing an interengaging connection between adjacent roll blocks. Such roll-ways can be laid in a rectilinear or curved shape and may also be laid such as to form a tunnel tube.


BRIEF DESCRIPTION OF THE DRAWINGS

Exemplary embodiments of the invention are illustrated in the drawings and will be explained and described in detail hereinbelow with reference to the drawings. There are shown in
FIG. 1 a section through a first exemplary embodiment of the inventive roll block;
FIG. 2 a section through a second exemplary embodiment of the inventive roll block;
FIG. 3 a section through a third exemplary embodiment of the inventive roll block;
FIG. 4 a schematic illustration of the assembly of the base body of the roll block shown in FIG. 1 from a support member and a cover member;
FIG. 5 a section through a fourth exemplary embodiment of the inventive roll block;
FIGS. 6a and 6b respectively a top plan view and a section of a base member in the roll block shown in FIG. 5;
FIG. 7 a top plan view of a support member of the roll block shown in FIG. 5;
FIGS. 8a and 8 b respectively a section and a top plan view of a cover member of the roll block shown in FIG. 5;
FIG. 9 a schematic illustration of a first exemplary embodiment of the inventive roll-way;
FIG. 10 a schematic illustration of a second exemplary embodiment of the inventive roll-way; and
FIG. 11 a schematic illustration of a third exemplary embodiment of the inventive roll-way.


PREFERRED MODES FOR CARRYING OUT THE INVENTION

A first exemplary embodiment of the roll block is illustrated in sectional view in FIG. 1. It will be recognized therein that the base body 1 of the roll block comprises a support member 2 and a cover member 3 which are fixedly interconnected in a manner described further hereinbelow in conjunction with FIG. 4. As illustrated, the support member 2 may be provided with recesses 4 on the side remote from the cover member 3 but may also be of solid construction. A multitude of bearing elements 5 protrude from the surface of the support member 2 and which surface faces the cover member 3. The bearing elements 5 may be constructed in various manners and FIG. 1 illustrates a number of possible constructions for the bearing elements 5. In each case, however, the bearing elements 5 are formed by spherically shaped bearing bodies 6 and there may be provided a single bearing body 6 or two or more bearing bodies 6 arranged in a mutually spaced relationship. The multiple bearing bodies 6 in this a

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