Umbrella shaft, and umbrella having such an umbrella shaft

1. Umbrella shaft assembly for a hanging umbrella, having a shaft part ( 20 , 20 a ), a second shaft part ( 26 , 26 a ) and a rope drive ( 22 , 22 a ) having a rope which connects a slide ( 16 , 16 a ) and a crown ( 8 , 8 a ), the slide and the shaft part ( 20 , 20 a ) being coupled axially to one another when the assembly is open, characterized in that the rope drive comprises a rope winch ( 22 , 22 a ) which is relatively fixed to the slide ( 16 , 16 a ), the rope ( 28 , 28 a ) running essentially coaxially with the axis ( 35 ) of the umbrella shaft assembly.

2. Umbrella shaft assembly according to claim 1 , characterized in that the rope winch ( 22 , 22 a ) is arranged on the shaft part ( 20 , 20 a ), which is of hollow design and connected to the slide ( 16 , 16 a ).

3. Umbrella shaft assembly according to claim 1 , characterized in that the second shaft part ( 26 , 26 a ) is connected to the crown ( 8 , 8 a ) of the umbrella ( 2 , 2 a ).

4. Umbrella shaft assembly according to claim 1 , characterized in that the rope winch ( 22 , 22 a ) is arranged on the shaft part ( 20 , 20 a ), which is of hollow design and is connected to the slide ( 16 , 16 a ) and in that the second shaft part ( 26 , 26 a ) is connected to the crown ( 8 , 8 a ) of the umbrella ( 2 , 2 a ) and further characterized in that one of the shaft part ( 20 ) and the second shaft part ( 26 ) has a profiled pin ( 32 ) which interacts with a bushing ( 34 ) with corresponding mating profile ( 36 ) in the other of the shaft part ( 20 ) and the second shaft part ( 26 ).

5. Umbrella shaft assembly according to claim 1 , characterized in that the rope winch ( 22 , 22 a ) is provided with a hand crank ( 24 , 24 a ).

6. Umbrella shaft assembly according to claim 5 , characterized in that the rope winch ( 22 , 22 a ) has a latching device ( 52 ) and a braking device ( 54 ) which are combined with one another and can be operated by the hand crank ( 24 , 24 a ).

7. Umbrella shaft assembly according to claim 6 , characterized in that the hand crank ( 24 , 24 a ) is connected, via a threaded connection ( 68 , 70 , 118 , 122 ), to a rope drum ( 48 , 48 a ) which is mounted in a housing ( 40 ) of the rope winch ( 22 , 22 a ) and is latched by means of the latching device ( 52 ), comprising a latching ring ( 56 ), which is rotatable on the rope drum ( 48 , 48 a ), and a detent ( 58 ) on the housing, the latching ring ( 56 ) being connected axially to the hand crank ( 24 , 24 a ) via a brake disk ( 64 ) such that, during the opening movement of the hand crank ( 24 , 24 a ) in the clockwise direction, the brake disk ( 64 ) is pressed against the latching ring ( 56 ) by means of the threaded connection ( 68 , 70 , 118 , 122 ), and blocks said latching ring, and that, during the closing movement of the hand crank ( 24 , 24 a ) in the anticlockwise direction, the pressing action on the brake disk ( 64 ) is loosened in the manner of a slip clutch, with the result that the rope ( 28 , 28 a ) unrolls from the rope drum ( 48 , 48 a ).

8. Umbrella shaft assembly according to claim 7 , characterized in that the hand crank ( 24 ) is fastened on a spindle ( 46 ) which is guided coaxially through an opening ( 66 ) of the rope drum ( 48 ) and is screwed, via an external thread ( 68 ), to an internal thread ( 70 ) of the rope drum ( 48 ).

9. Umbrella shaft according to claim 7 , characterized in that the rope drum ( 48 a ) is an axial journal ( 116 ), which has the latching ring ( 56 ), the brake disk ( 64 ) and a threaded stub for the hand crank ( 24 a ).

10. Umbrella shaft assembly according to claim 6 , characterized in that a rope drum ( 48 , 48 a ) is mounted in a housing ( 40 ) of the rope winch ( 22 , 22 a ) and the latching device ( 52 ) is assigned a free-running device ( 71 ) with a free-running button ( 72 ) which is operated from the outside of the housing ( 40 ) and has a retaining pin ( 74 ), which is movable in against an arresting profile ( 76 ) of the rope drum ( 48 , 48 a ), in order to block the rope drum ( 48 , 48 a ) until the braking device ( 54 ), as the closing movement of the hand crank ( 24 , 24 a ) progresses, becomes inoperative.

11. Umbrella shaft assembly according to claim 10 , characterized in that the free-running device ( 71 ) has a stop ( 82 , 82 a ) against which the hand crank ( 24 , 24 a ) is positioned with blocking action as the closing movement progresses and the braking device ( 54 ) is released.

12. Umbrella shaft assembly according to claim 11 , characterized in that the stop ( 82 ) is arranged on an axial extension ( 80 ) of a spindle ( 46 ) and interacts with an end side ( 86 ) of the rope drum ( 48 ) via a spring ( 84 ).

13. Umbrella shaft according to claim 11 , characterized in that the stop ( 82 a ) is arranged on a part of an axial journal ( 116 ) of the rope drum ( 48 a ) which is directed away from the rope drum ( 48 a ) and the hand crank ( 24 a ).

14. Umbrella shaft assembly according to claim 1 , characterized in that the rope winch ( 22 , 22 a ) has a releasable latching device ( 52 ) for opening the umbrella ( 2 , 2 a ) in a latched manner.

15. Umbrella shaft assembly according to claim 1 , characterized in that the rope winch ( 22 , 22 a ) has a releasable braking device ( 54 ) for closing the umbrella ( 2 , 2 a ) in a controlled manner.

16. Umbrella shaft assembly according to claim 1 , characterized in that, at its end which bears the rope winch ( 22 , 22 a ), it has a handle ( 38 ), which preferably extends downward from the rope winch ( 22 , 22 a ) and is aligned perpendicularly to a spindle ( 46 ) of the rope winch ( 22 , 22 a ).

17. Umbrella shaft assembly according to claim 16 , characterized in that the handle is of annular design.

18. Umbrella shaft assembly according to claim 1 , characterized in that the second shaft part ( 26 , 26 a ) has means ( 94 , 112 ) for connection to the crown ( 8 , 8 a ) of the umbrella.

19. An umbrella shaft assembly according to claim 1 in combination with an umbrella.

20. Umbrella combination according to claim 19 having means for hanging the umbrella, characterized in that the rope ( 28 , 28 a ) is connected to the means ( 10 , 106 ) for hanging the umbrella.

21. Umbrella combination according to claim 19 , the crown of which is hung by means of a ball-and-socket joint ( 10 ), characterized in that the second shaft part ( 26 ) has a threaded bolt ( 94 ) which is screwed into the crown ( 8 ) of the umbrella and is screwed against a ball head ( 100 ) of the ball-and-socket joint ( 10 ), in order to block or release the latter.