Hoop lock

1. A hoop lock having a lock body and having a hoop which is movable relative to the lock body along a hoop moving direction between an open position and a closed position, wherein the lock body has a lock housing and a locking mechanism which is fixedly connected to the lock housing and has a driver, wherein the driver is selectably movable into an unlatched position or into a latched position, wherein furthermore a latching device is provided in the lock housing and is effective between the driver of the locking mechanism, the hoop and the lock housing, wherein the latching device latches the hoop to the lock housing when the hoop is in the closed position and the driver of the locking mechanism is in the latched position, wherein the latching device comprises a latch element which is movable transversely with respect to the hoop moving direction into a release position when the driver is in the unlatched position, wherein said latch element in the release position is movable together with the hoop along the hoop moving direction between the open position and the closed position of the hoop.

2. A hoop lock in accordance with claim 1 , wherein said latch element is received in a holding section of the hoop, while the hoop moves between the open position and the closed position.

3. A hoop lock in accordance with claim 2 , wherein said latch element is partly received in the holding section of the hoop and partly engages into an engagement opening of the lock housing when the hoop is in the closed position and the driver of the locking mechanism is in the latched position.

4. A hoop lock in accordance with claim 2 , wherein the holding section of the hoop engages around the movable part of the latching device.

5. A hoop lock in accordance with claim 2 , wherein the holding section of the hoop remains in the lock body while the hoop moves between the open position and the locked position.

6. A hoop lock in accordance with claim 2 , wherein the hoop is movably journalled at a guide surface at an inner side of the lock housing, wherein the guide surface of the lock body secures the movable part of the latching device in the holding section of the hoop while the hoop moves between the open position and the closed position.

7. A hoop lock in accordance with claim 1 , wherein the latching device cooperates at an outer side of the hoop with the lock housing to latch the hoop to the lock housing when the hoop is in the closed position and the drive of the locking mechanism is in the latched position.

8. A hoop lock in accordance with claim 1 , wherein the latching device further has at least one rotationally movable drive element, wherein the drive element is coupled or couplable to the driver of the locking mechanism and has a cam section which cooperates with the at least one latch element to move it when the driver is moved from the unlatched position into the latched position.

9. A hoop lock in accordance with claim 8 , wherein the drive element of the latching device is rigidly coupled to the driver of the locking mechanism.

10. A hoop lock in accordance with claim 1 , wherein the lock housing has an outer housing which is formed by a tubular section having a longitudinal axis which extends parallel to the direction of movement of the hoop.

11. A hoop lock in accordance with claim 1 , wherein the hoop is biased in the direction of the open position.

12. A hoop lock in accordance with claim 1 , wherein the hoop is substantially L-shaped in the open position outside the lock body and has an elongate securing section and an elongate connection section, wherein the securing section extends transversely to the direction of movement of the hoop and has a free end, and wherein the connection section extends substantially parallel to the direction of movement of the hoop and connects the securing section to the lock body.

13. A hoop lock in accordance with claim 12 , wherein the securing section of the hoop has a widened blocking portion at least at the free end, said widened blocking portion projecting beyond the lock housing when the hoop is in the closed position, wherein the lock housing has an engagement recess at its outer side flush with the widened blocking portion of the securing section of the hoop, wherein the engagement recess is made to receive the widened blocking portion if the lock housing is expanded along the direction of extent of the securing section.

14. A hoop lock in accordance with claim 13 , wherein the securing section of the hoop has a respective widened blocking section at its two ends, said widened blocking section cooperating with a respective engagement recess of the lock housing.

15. A hoop lock in accordance with claim 12 , wherein the securing section of the hoop is formed by a bolt which is formed separately from the connection section.

16. A hoop lock in accordance with claim 12 , wherein the lock body has a reception gap for the reception of an object to be secured, wherein the securing section of the hoop closes the reception gap when the hoop is in the locked position.

17. A hoop lock in accordance with claim 16 , wherein the reception gap extends along a reception gap axis oriented at an acute angle to the hoop moving direction.

18. A hoop lock in accordance with claim 17 , wherein the lock body has a key introduction opening which is provided at a side of the lock body remote from the reception gap, wherein the key introduction opening is arranged laterally offset with respect to the reception gap axis.

19. A hoop lock in accordance with claim 16 , wherein the lock body has a key introduction opening which is provided at a side of the lock body remote from the reception gap, wherein the key introduction opening is arranged laterally offset with respect to the direction of extent of the reception gap.

20. A hoop lock in accordance with claim 1 , wherein the locking mechanism is formed by a lock cylinder which has a cylinder housing fastened in the lock housing and a cylinder core rotatable in the cylinder housing, wherein the driver is provided at the cylinder core.

21. A hoop lock in accordance with claim 1 , wherein the at least one latch element comprising a latching ball.