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Child protection system for motor vehiclesChild protection system for motor vehicles description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20070246982, Child protection system for motor vehicles. Brief Patent Description - Full Patent Description - Patent Application Claims
CROSS-REFERENCE TO RELATED PATENT APPLICATIONS [0001] This application is a continuation of International Application PCT/DE 2005/001495, which has an international filing date of Aug. 22, 2005; this International Application was not published in English, but was published in German as WO 2006/039877, both of which are incorporated herein by reference in their entirety. BACKGROUND [0002] The invention relates to a child protection system for a motor vehicle. [0003] A child protection system for a motor vehicle is used for arranging on a motor vehicle seat and comprises a backrest which extends along a backrest longitudinal direction, with a back support, which is arranged on a seat shell and is intended for the rear support of a child's torso, and with a head restraint subassembly, which is mounted movably in the backrest longitudinal direction on the back support and is intended for the rear and/or lateral support of a child's head, wherein the head restraint subassembly furthermore has two lateral shoulder protection cheeks (side cheeks) which protrude spaced apart from each other transversely with respect to the backrest longitudinal direction from a respective lateral supporting section of the head restraint subassembly. In order to set, firstly, the position of the head restraint subassembly with respect to the back support in the backrest longitudinal direction and, secondly, the distance of the two lateral shoulder protection cheeks transversely with respect to the backrest longitudinal direction, said child protection system is assigned a first and second setting mechanism. [0004] A child protection system of this type is used for holding children traveling in a motor vehicle and, for this purpose, is fastened to a motor vehicle seat in a suitable manner. The back support of the child protection system is used for stabilizing a child's back and, for this purpose, extends in the backrest longitudinal direction along the spinal column of a child in a normal position in the child protection system. In the present case, the head restraint subassembly, which is arranged on the back support in a displaceable manner in the backrest longitudinal direction, is used not only to support a child's head but additionally also has lateral shoulder protection cheeks which, in particular in the case of a lateral crash, are intended to ensure that a child's upper body, namely the shoulders and possibly upper arms, are supported laterally. [0005] So that a child protection system of this type provides a particular child with the best possible comfort and, in particular, best possible safety in the event of a crash, both the height of the head restraint, i.e. the position of the head restraint subassembly with respect to the back support in the backrest longitudinal direction, and the width of the head restraint, namely the distance between the two lateral shoulder protection cheeks (side cheek distance) transversely with respect to the backrest longitudinal direction, have to be matched to the size and in general to the anthropometrical circumstances of the particular child's body. The mechanisms for setting the position of the head restraint subassembly in the backrest longitudinal direction, on the one hand, and for setting the distance between the two lateral shoulder protection cheeks, on the other hand, are used for this. [0006] However, in the case of known child protection systems of this type, there is the problem that the requirement of separately actuating two different setting mechanisms in order to set the height of the head restraint (length of the backrest), on the one hand, and of the distance between the side cheeks (width of the backrest), on the other hand, is associated with some complexity. This increases the risk of misoperations and may also lead to regular adaptation of the settings to the anthropometrical circumstances, which change with a child's age, being prevented. SUMMARY [0007] One exemplary embodiment relates to a child protection system for motor vehicles arranged on a motor vehicle seat. The child protection system comprises: a backrest which extends along a backrest longitudinal direction; a back support of the backrest, the back support being arranged on a seat shell and configured to provide rear support of a child's torso; a head restraint subassembly of the backrest, the head restraint subassembly being movably mounted in the backrest longitudinal direction on the back support and is configured to provide rear and/or lateral support of a child's head; a first setting mechanism for setting a position of the head restraint subassembly with respect to the back support in the backrest longitudinal direction; two lateral shoulder protection cheeks which are arranged spaced apart from each other transversely with respect to the backrest longitudinal direction on a respective lateral supporting section of the head restraint subassembly; a second setting mechanism for setting a distance between the two lateral shoulder protection cheeks transversely with respect to the backrest longitudinal direction; and a coupling mechanism to couple the first and second setting mechanisms to each other in such a manner that, when one setting mechanism is actuated, the other setting mechanism is also triggered. The distance between the two lateral shoulder protection cheeks is configured to be set by pivoting the two lateral supporting sections about a pivot axis. [0008] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only, and are not restrictive of the invention as claimed. BRIEF DESCRIPTION OF THE DRAWINGS [0009] These and other features, aspects, and advantages of the present invention will become apparent from the following description, appended claims, and the accompanying exemplary embodiments shown in the drawings, which are briefly described below. [0010] FIG. 1 shows a child protection system with a height-adjustable head restraint subassembly and lateral shoulder protection cheeks which can be adjusted in their distance from each other. [0011] FIG. 2 shows a child protection system according to FIG. 1 with a different setting of the height of the head restraint and of the distance between the two lateral shoulder protection cheeks. [0012] FIG. 3 shows a concrete design of the child protection system shown schematically in FIGS. 1 and 2. [0013] FIG. 4 shows an exploded illustration of the child protection system from FIG. 3. DETAILED DESCRIPTION [0014] Embodiments are therefore based on providing a child protection system which can have convenient and reliable operability. [0015] According thereto, the child protection system comprises a coupling mechanism by which the two setting mechanisms of the child protection system are coupled to each other in such a manner that, when one setting mechanism for setting the associated actuating variable (height of the head restraint or distance between the side cheeks) is actuated, the other setting mechanism is also triggered. [0016] This leads to an increase in the operating convenience, since the two setting mechanisms can be operated in one actuating step, for example by single-handed actuation of an associated actuating handle. This simultaneously also reduces the risk of misoperation, since all of the setting operations can take place with one and the same actuating element. [0017] The coupling mechanism provided according to embodiments is designed in particular in such a manner that, when the first setting mechanism (for setting the height of the head restraint) is actuated, the second setting mechanism (for setting the distance between the side cheeks) is triggered. [0018] For this purpose, the coupling mechanism has a gear for converting a movement along a first direction into a movement with a component perpendicular to that first direction, i.e., for example, a gear for converting a movement in the backrest longitudinal direction (during the setting of the height of the head restraint) into a movement with a component perpendicular to the backrest longitudinal direction (for setting the distance between the two shoulder protection cheeks) or vice versa. For example, toothed gears, spindle gears, lever gears, traction gears, slotted guides or sliding guides or sliding wedges interacting with one another are suitable for this. [0019] According to an embodiment, the gear is used for converting a longitudinal movement into a rotational movement or vice versa, for example by a rack and an associated pinion meshing therewith, by a screw (spindle) and a nut (spindle nut) mounted thereon, by a flexible traction mechanism (cable) and an associated pulley rotatable by the traction mechanism, or by a crank gear. Continue reading about Child protection system for motor vehicles... Full patent description for Child protection system for motor vehicles Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Child protection system for motor vehicles patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. 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