Seat with Headrest for a Locomotive Means and Locomotive Means

Abstract

A seat with a headrest for a locomotive means includes a carrier or support system for a backrest of the seat, a support element having an installation section, and a guide device. The headrest has a headrest box, wherein the installation section of the support element is arranged on the support system in a stationary manner in the region of the headrest. The headrest box is movably arranged on the guide device, and the headrest box can be locked relative to the guide device in a movement direction.

Claims

1.-10. (canceled)

11. A seat with a headrest for a locomotive means, comprising: a carrier system of a backrest of the seat; a carrier element comprising a mounting portion and a guide device; and a headrest box of the headrest, wherein the mounting portion of the carrier element is arranged in a fixed position on the carrier system in a region of the headrest, the headrest box is arranged displaceably on the guide device, and the headrest box is lockable with respect to the guide device in a displacement direction.

12. The seat with a headrest according to claim 11, wherein the headrest is manually and/or electrically displaceable with respect to the locomotive means in a direction of at least one of: (i) a transverse axis (y axis) of the locomotive means, or (ii) a longitudinal axis (x axis) of the locomotive means, or (iii) a vertical axis (z axis) of the locomotive means.

13. The seat with a headrest according to claim 11, wherein the carrier system is connected in a form-fitting, force-fitting and/or integrally bonded manner to a structure of the seat or is an integral part of the structure.

14. The seat with a headrest according to claim 11, further comprising: a rear wall of the seat which, with respect to the carrier system, lies opposite the headrest box, wherein at least one of: (i) an upper end of the rear wall extends at least as far as an upper end of the carrier system, (ii) the upper end of the rear wall is connected in a fixed position to the carrier system in the region of the upper end of the carrier system, (iii) the rear wall covers the carrier system toward the interior of the locomotive means, or (iv) the rear wall substantially covers a side of the headrest facing the carrier system and/or a lateral part of the headrest.

15. The seat with a headrest according to claim 12, further comprising: an actuator; and a transmission, wherein an immovable part of the transmission is connected in a fixed position to the carrier element within the headrest box, or is an integral part of the carrier element, and the actuator is in engagement with the transmission and is configured to move the headrest box with respect to the carrier element in the displacement direction.

16. The seat with a headrest according to claim 15, wherein the guide device comprises two guide rails which are each arranged on the left and the right side of the transmission in the direction of the y axis and are configured in particular to absorb the forces, which act on the headrest box, in the direction of the x axis and the y axis.

17. The seat with a headrest according to claim 12, wherein the headrest is a crash-active headrest which has a release unit which is automatically displaceable in the direction of the x axis with respect to the headrest.

18. The seat with a headrest according to claim 11, wherein the carrier element is designed such that the guide device is configured for guiding a movement oriented substantially parallel to a direction of longitudinal extent of the carrier system of the seat.

19. The seat with a headrest according to claim 12, wherein the carrier system: (i) has two carrier rods which run parallel and, at the upper end of the backrest, form a common bracket, and/or (ii) in a portion lying below the headrest is bent in a negative direction of the x axis in such a manner that an expanded arrangement space and/or displacement space is available for the headrest.

20. A locomotive means comprising: a seat; and a headrest according to claim 11, wherein the seat includes the headrest.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0020] FIG. 1 shows a schematic overview of a seat according to an embodiment of the invention in conjunction with a locomotive means;

[0021] FIG. 2 shows a schematic overview of components of a seat according to an embodiment of the invention with a headrest in a first cross-sectional view;

[0022] FIG. 3 shows a schematic overview of components of the seat with a headrest in a second cross-sectional view; and

[0023] FIG. 4 shows a schematic overview of components of the seat with a headrest in a third cross-sectional view.

BRIEF DESCRIPTION OF THE DRAWINGS

[0024] FIG. 1 shows a schematic overview of a seat 10 with a headrest 20 in conjunction with a locomotive means 80. The seat 10 is designed here as a driver's seat of the locomotive means 80. The seat 10 has a backrest 50, a headrest 20 and a rear wall 70.

[0025] FIG. 2 shows a schematic overview of components of a seat 10 with a headrest 20 in a first cross-sectional view, wherein the first cross-sectional view represents a plane which is oriented in the direction of an x axis and in the direction of a z axis of a system of coordinates of the locomotive means. The first cross-sectional view shows an upper part of a carrier system 30 of a backrest 50 of the seat 10 that has two carrier rods 35 running parallel. In an upper portion of the carrier system 30, in which the two carrier rods 35 running parallel are brought together in a bracket-shaped manner (not illustrated in this view), a rear wall 70 of the backrest 50 is connected in a form-fitting manner to the bracket-shaped portion at the upper end of the carrier system 30 by means of a latching connection. Furthermore, a carrier element 40 is arranged on the carrier system 30, the carrier element 40 being connected to the respective carrier rods 35 in an integrally bonded manner in the region of respective mounting portions 42 of the carrier element 40 by means of respective welded joints. A threaded rod 92 of a helical transmission is likewise connected in an integrally bonded manner to the carrier element 40 by means of a welded joint. An electric motor 90 arranged by means of a fastening element 94 in a fixed position within a headrest box 25 of the headrest 20 is in engagement with the threaded rod 92 in such a manner that a rotational movement of the electric motor 92 is converted into a relative displacement movement of the headrest box 25 with respect to the carrier element 40 in the direction of the z axis. In addition, the headrest 20 has a crash activity module 110 which is configured, in the event of an accident of the locomotive means, to move a release unit 100, which is displaceable in the direction of the x axis, of the headrest 20 in the direction of the back of a head of a user of the locomotive means.

[0026] FIG. 3 shows a schematic overview of components of a seat 10 with a headrest 20 in a second cross-sectional view, wherein the second cross-sectional view represents a plane which is oriented in the direction of the x axis and in the direction of the y axis of the system of coordinates of the locomotive means. The second cross-sectional view represents a cross-sectional plane of the same embodiment of the seat 10 that differs from the first cross-sectional plane described in FIG. 2, and therefore essentially only the differences between FIG. 2 and FIG. 3 will be described here. In comparison to the first cross-sectional view, in the second cross-sectional view the two carrier rods 35 of the carrier system 30 can be seen which are each connected in an integrally bonded manner to one of the two mounting portions 42 of the carrier element 40 by means of the above-described welded joint. Furthermore, an exemplary shaping of the rear wall 70 can be gathered from the second cross-sectional view, the rear wall being designed here in such a manner that it encloses the rear side of the backrest 50, the lateral regions of the backrest 50 and part of the front surface of the backrest 50 of the seat 10. It is thereby ensured that no fastening and displacement components of the headrest 20 are visible toward the interior of the locomotive means. Furthermore, the second cross-sectional view shows the two guide rails 44 of the carrier element 40 and the two corresponding receiving devices 46 of the headrest box 25 engaging in one another. The second cross-sectional view furthermore shows a rear opening (i.e. facing the carrier system) in the headrest box 25 in the region of the carrier element 40.

[0027] FIG. 4 shows a schematic overview of components of a seat 10 with a headrest 20 in a third cross-sectional view, wherein the third cross-sectional view represents a plane which is oriented in the direction of the y axis and in the direction of the z axis of the system of coordinates of the locomotive means. The third cross-sectional view represents a cross-sectional plane of the same embodiment of the seat 10 that differs from the first and second cross-sectional planes described in FIG. 2 and FIG. 3, and therefore essentially only the differences between FIG. 2, FIG. 3 and FIG. 4 will be described here. The third cross-sectional plane shows the bracket-shaped profile of the carrier system 30 at the upper end of the carrier system 30. Furthermore, the two mounting portions 42 of the carrier element 35 can be seen which, as described above, are connected to the carrier rods 35 of the carrier system 30 in an integrally bonded manner by means of a welded joint.

LIST OF REFERENCE SIGNS

[0028] 10 Seat [0029] 20 Headrest [0030] 25 Headrest box [0031] 30 Carrier system [0032] 35 Carrier rod [0033] 40 Carrier element [0034] 42 Mounting portion [0035] 44 Guide rail [0036] 50 Backrest [0037] 60 Structure [0038] 70 Rear wall [0039] 80 Locomotive means [0040] 90 Electric motor [0041] 92 Threaded rod [0042] 94 Fastening element [0043] 100 Release unit [0044] 110 Crash activity module