초록 ▼

A tire fitting machine having a wheel mounting means 1 which is mounted rotatably about a vertical axis 5 and to which a wheel rim 6 is to be fixed when fitting or removing a tire, wherein the wheel rim 6 rests on a support surface 2 of the wheel mounting means 1, the support surface extending perpe

A tire fitting machine having a wheel mounting means 1 which is mounted rotatably about a vertical axis 5 and to which a wheel rim 6 is to be fixed when fitting or removing a tire, wherein the wheel rim 6 rests on a support surface 2 of the wheel mounting means 1, the support surface extending perpendicularly to the axis 6, wherein the support surface 2 is displaceable along the axis 5 and is fixable in a plurality of positions.

대표청구항 ▼

The invention claimed is: 1. A tyre fitting machine having a wheel mounting means (1) which is mounted rotatably about a vertical axis (5) and to which a wheel rim (6) is to be fixed when fitting or removing a tyre, wherein the wheel rim (6) rests on a support surface (2) of the wheel mounting mean

The invention claimed is: 1. A tyre fitting machine having a wheel mounting means (1) which is mounted rotatably about a vertical axis (5) and to which a wheel rim (6) is to be fixed when fitting or removing a tyre, wherein the wheel rim (6) rests on a support surface (2) of the wheel mounting means (1), the support surface extending perpendicularly to the axis (5), wherein the support surface (2) is displaceable along the axis (5) and is fixable in a plurality of positions, wherein the support surface (2) is fixed to one of two shaft portions (3, 4) which are displaceable relative to each other along the axis (5), and the two shaft portions (3, 4) form an inner and an outer shaft portion which are telescopically fitted one into the other and which have axially extending ribs (7, 8) engaging into each other for providing a non-rotatable connection about the axis (5). 2. A tyre fitting machine according to claim 1 characterised in that the two shaft portions (3, 4) can be non-rotatably connected to each other in a plurality of latching positions and are mounted rotatably about the axis (5). 3. A tyre fitting machine according to claim 2 characterised in that the respective spacing of the latching positions from each other is predetermined such that the support surface (2) is fixable so that each of two rim flanges (13, 14) of the wheel rim (6) are arranged in the same upper working plane (18) extending perpendicularly to the axis (5) or in an operating plane (18) differing slightly in the axial positioning thereof, after the wheel rim (6) is turned through 180° with respect to a diameter line extending through the centre point of the rim and the shaft portions (3, 4) are displaced relative to each other by the spacing of the latching positions relative to each other. 4. A tyre fitting machine according claim 2 characterised in that at least one of the two shaft portions (3, 4) is in the form of a hollow shaft. 5. A tyre fitting machine according to claim 2 characterised in that the spacings of the latching positions are adapted to given rim types. 6. A tyre fitting machine according to claim 2 characterised in that the spacings of the latching positions are adapted to different rim types for positioning the respective upwardly disposed rim flange at a given height which does not exceed a predetermined maximum height. 7. A tyre fitting machine according to claim 1 characterised in that the outer shaft portion is the axially non-displaceable shaft portion (4). 8. A tyre fitting machine according to claim 1 characterised in that the latching positions are formed by arresting elements (9, 10) which are provided on the inner shaft portion (3) and the outer shaft portion (4) and which releasably engage into each other. 9. A tyre fitting machine according to claim 8 characterised in that the arresting element (10) on the outer shaft portion (4) has projections (11) which are directed radially towards the axis (5) and which can be brought into engagement in recesses (12) on the inner shaft portion (3). 10. A tyre fitting machine according to claim 9 characterised in that the recesses (12) are in the form of interruptions in the ribs (7) on the inner shaft portion (3). 11. A tyre fitting machine according to claim 9 characterised in that the spacings of the latching positions are determined by the axial spacings of the recesses (12) on the inner shaft portion (3). 12. A tyre fitting machine according to claim 1 characterised in that the support surface (2) is fixed to the inner shaft portion (3). 13. A tyre fitting machine according to claim 1 characterised in that the support surface (2) and the inner shaft portion (3) are component parts of a structural unit. 14. A tyre fitting machine according to claim 1 comprising a fitting/removal tool (16) which is movable into the region of a working plane (18) formed by an upwardly disposed tyre bead and an upwardly disposed rim flange (13, 14) of the wheel rim (6), and which is movable in a vertical direction on a pillar (17) extending parallel to the axis (5) and can be supported in different vertical positions.