The invention relates to a roller (1), preferably comprising two wheels (2) and a locking device, an activating part (10) acting on the locking device for releasing or locking, and the activating part (10) being movable by a drive, a movement of a transmission part (7) that is generated by the drive
The invention relates to a roller (1), preferably comprising two wheels (2) and a locking device, an activating part (10) acting on the locking device for releasing or locking, and the activating part (10) being movable by a drive, a movement of a transmission part (7) that is generated by the drive being transmitted via spring force to the activating part (10) for moving same, and a spring (8) being supported on the transmission part. In order to provide a roller that allows an advantageous constructional design, it is proposed that a support region is formed for the spring (8) and/or the spring (9) and/or the compression spring (44) on the activating part (10), through which region the transmission part (7) can pass.
대표청구항▼
1. A roller (1), having a wheel (2) and a locking device, an activating part (10) acting on an engagement part (18) of the locking device for releasing or locking the wheel (2) about an axis x, and the activating part (10) being movable by a drive, a movement of a transmission part (7) between a loc
1. A roller (1), having a wheel (2) and a locking device, an activating part (10) acting on an engagement part (18) of the locking device for releasing or locking the wheel (2) about an axis x, and the activating part (10) being movable by a drive, a movement of a transmission part (7) between a locking position and a release position, that is generated by said drive being transmitted only via spring force to the activating part (10) for moving the activating part, and a spring having an underside, and the underside of the spring is supported in a first support region on the transmission part, wherein a second support region for the spring is formed on the activating part (10), through which second support region the transmission part (7) passes only due to compression of the spring when moved from the locking position to the release position or vice versa. 2. The roller according to claim 1, wherein the spring (8, 9, 44) can be lifted off from the first support region on the transmission part (7). 3. The roller according to claim 2, wherein the spring (8, 9, 44) can be lifted off upwardly from the first support region. 4. The roller according to claim 2, wherein the first support region comprises an upper support region for the spring (8, 9, 44) formed on the transmission part (7) and wherein the spring (8, 9, 44) can be lifted off downwardly from the upper support region. 5. The roller according to claim 1, wherein the spring (8, 9, 44) can be lifted off from the second support region on the activating part (10) by means of the transmission part (7). 6. The roller according to claim 1, wherein the transmission part (7) is disposed within the activating part (10). 7. The roller according to claim 1, wherein the roller has the two springs and that at least one of the two springs (8, 9, 44) is situated outside the transmission part (7). 8. The roller according to claim 7, wherein the two springs (8, 9) are situated outside the transmission part (7). 9. The roller according to claim 1, wherein the spring (8, 9, 44) can be lifted off upwardly from the second support region. 10. A roller (1), having a wheel (2) and a locking device, an activating part (10) acting on an engagement part (18) of the locking device for releasing or locking, and the activating part (10) being movable by a drive, a movement of a transmission part (7) that is generated by said drive being transmitted via spring force to the activating part (10) for moving the activating part, and a spring (8, 9, 44) being supported on the transmission part, wherein a support region for the spring (8, 9, 44) is formed on the activating part (10), through which region the transmission part (7) passes; and wherein the activating part (10) forms a lower central chamber which is open at the bottom and in which the spring (8, 9, 44) is accommodated. 11. A roller (1), having a wheel (2) and a locking device, an activating part (10) acting on an engagement part (18) of the locking device for releasing or locking, and the activating part (10) being movable by a drive, a movement of a transmission part (7) that is generated by said drive being transmitted via spring force to the activating part (10) for moving the activating part, and a spring (8, 9, 44) being supported on the transmission part, wherein a support region for the spring (8, 9, 44) is formed on the activating part (10), through which region the transmission part (7) passes; and wherein the activating part (10) acts on the engagement part by means of an intermediate part acting as a spring, wherein the intermediate part is pivotably mounted in the wheel for movement between an engagement position and a release position. 12. The roller according to claim 11, wherein the intermediate part moves the engagement part into the release position. 13. A roller (1), having a wheel (2) and a locking device, an activating part (10) acting on an engagement part (18) of the locking device for releasing or locking the wheel (2) about an axis x, and the activating part (10) being movable by a drive, a movement of a transmission part (7) that is generated by said drive being transmitted via spring force to the activating part (10) for moving the activating part, and a spring (8, 9, 44) having an underside, and the underside of the spring is supported on the transmission part, wherein a support region for the spring (8, 9, 44) is formed on the activating part (10), through which region the transmission part (7) passes when moved from a locking position to a release position or vice versa;wherein for carrying out an emergency release, the activating part (10) is actuated by means of a handle (11) acting on the activating part, which handle is accessible from the outside. 14. The roller according to claim 13, wherein the handle (11) moves together with the activating part (10). 15. The roller according to claim 13, wherein the handle (11) is fixedly connected to the activating part (10). 16. The roller according to claim 13, wherein the activating part (10) can be moved relative to the stationary transmission part (7) by means of the handle (11). 17. The roller according to claim 16, wherein the movement of the activating part (10) takes place relative to the stationary transmission part (7) while carrying along the support region for the spring (8, 9, 44). 18. The roller according to claim 13, wherein the handle (11) can be moved relative to a stationary abutment (12, 13) within the roller. 19. A roller (1), having a wheel (2) and a locking device, an activating part (10) acting on an engagement part (18) of the locking device for releasing or locking the wheel (2) about an axis x, and the activating part (10) being movable by a drive, a movement of a transmission part (7) that is generated by said drive being transmitted via spring force to the activating part (10) for moving the activating part, and a spring (8, 9, 44) being supported on the transmission part, wherein a support region for the spring (8, 9, 44) is formed on the activating part (10), through which region the transmission part (7) passes when moved from a locking position to a release position or vice versa; and wherein the spring comprises only one spring (8, 9, 44) between the transmission part (7) and the activating part (10). 20. The roller according to claim 19, wherein the only one spring is supported on the transmission part (7) and the activating part (10).
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이 특허에 인용된 특허 (18)
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