Child restraint for vehicle
First Claim
1. A child restraint is provided for use with both a vehicle passenger seat and anchor mounts provided near the vehicle passenger seat, the child restraint comprisinga juvenile holder including a juvenile seat shell and a shell-support base formed to include a first belt-support pad and a second belt-support pad arranged to lie in spaced-apart relation to the first belt-support pad to form a belt-receiving channel therebetween, the shell-support base being adapted for mounting on the vehicle passenger seat and arranged to support the juvenile seat shell in a stationary position thereon,an anchor belt arranged to overlie the first and second belt-support pads and to communicate with the belt-receiving channel therebetween, the anchor belt including a strap having opposite end portions and a central portion interconnecting the opposite end portions and lying on the first and second belt-support pads to form a bridge spanning the belt-receiving channel and a connector coupled to each end portion and adapted to be coupled to one of the anchor mounts to establish a belt path of the anchor belt relative to the first and second belt-support pads when the central portion of the strap lies on the first and second belt-support pads and each connector mates with a companion one of the anchor mounts following initial installation of the anchor belt on the shell-support base and to cause the anchor belt to produce an initial tension measurement when exposed to a belt-tension gauge during an initial belt-tensioning test, anda belt tensioner coupled to the shell-support base and configured to include a belt pusher arranged to lie above a section of the central portion of the strap spanning the belt-receiving channel and move in up-and-down relation to the shell-support base and a belt-path changer configured to apply a downward force to the belt pusher to move the belt pusher in a downward direction to engage the central portion of the anchor belt before the juvenile seat shell is coupled to the shell-support base and while the connectors included in the anchor belt remain coupled to the anchor mounts and the anchor belt remains in contact with the first and second belt-support pads to cause a change in the belt path of the anchor belt relative to the first and second belt-support pads to establish a first changed belt path to increase tension in the anchor belt to produce a predetermined tension measurement that is greater than the initial tension measurement when exposed to the belt-tension gauge during a subsequent second belt-tensioning test so that movement of the shell-support base and the juvenile seat shell coupled to the shell-support base relative to an underlying vehicle passenger seat is limited in accordance with a predetermined specification, andwherein the belt-path changer includesan actuator lever mounted on the shell-support base for pivotable movement about an actuator pivot axis andtwo-stage belt-mover means for moving the belt pusher in the downward direction to engage and move the central portion of the anchor belt to establish the first changed belt path of the anchor belt and place the anchor belt in tension at about the predetermined tension measurement in response to pivotable movement of the actuator lever about the actuator pivot axis during a first actuation stage relative to the shell-support base and for storing energy during such pivotable movement of the actuator lever that is later released automatically in a subsequent second actuation stage after the juvenile seat shell has been coupled to the shell-support base in response to any unexpected detensioning of the anchor belt sufficient to change tension in the anchor belt to a magnitude that is less than the predetermined tension measurement to move the belt pusher further in the downward direction to move the central portion of the anchor belt to establish a second changed belt path of the anchor belt that is different from the first changed belt path to restore the anchor belt to a tensioned condition characterized by the predetermined tension measurement without any movement of the actuator lever relative to the shell-support base.
4 Assignments
0 Petitions
Accused Products
Abstract
A child restraint includes a base, a seat, and an anchor belt. The anchor belt holds the base in place on a passenger seat of a vehicle. The seat mounts on the base and supports a child or infant for travel in the vehicle above the base.
85 Citations
22 Claims
-
1. A child restraint is provided for use with both a vehicle passenger seat and anchor mounts provided near the vehicle passenger seat, the child restraint comprising
a juvenile holder including a juvenile seat shell and a shell-support base formed to include a first belt-support pad and a second belt-support pad arranged to lie in spaced-apart relation to the first belt-support pad to form a belt-receiving channel therebetween, the shell-support base being adapted for mounting on the vehicle passenger seat and arranged to support the juvenile seat shell in a stationary position thereon, an anchor belt arranged to overlie the first and second belt-support pads and to communicate with the belt-receiving channel therebetween, the anchor belt including a strap having opposite end portions and a central portion interconnecting the opposite end portions and lying on the first and second belt-support pads to form a bridge spanning the belt-receiving channel and a connector coupled to each end portion and adapted to be coupled to one of the anchor mounts to establish a belt path of the anchor belt relative to the first and second belt-support pads when the central portion of the strap lies on the first and second belt-support pads and each connector mates with a companion one of the anchor mounts following initial installation of the anchor belt on the shell-support base and to cause the anchor belt to produce an initial tension measurement when exposed to a belt-tension gauge during an initial belt-tensioning test, and a belt tensioner coupled to the shell-support base and configured to include a belt pusher arranged to lie above a section of the central portion of the strap spanning the belt-receiving channel and move in up-and-down relation to the shell-support base and a belt-path changer configured to apply a downward force to the belt pusher to move the belt pusher in a downward direction to engage the central portion of the anchor belt before the juvenile seat shell is coupled to the shell-support base and while the connectors included in the anchor belt remain coupled to the anchor mounts and the anchor belt remains in contact with the first and second belt-support pads to cause a change in the belt path of the anchor belt relative to the first and second belt-support pads to establish a first changed belt path to increase tension in the anchor belt to produce a predetermined tension measurement that is greater than the initial tension measurement when exposed to the belt-tension gauge during a subsequent second belt-tensioning test so that movement of the shell-support base and the juvenile seat shell coupled to the shell-support base relative to an underlying vehicle passenger seat is limited in accordance with a predetermined specification, and wherein the belt-path changer includes an actuator lever mounted on the shell-support base for pivotable movement about an actuator pivot axis and two-stage belt-mover means for moving the belt pusher in the downward direction to engage and move the central portion of the anchor belt to establish the first changed belt path of the anchor belt and place the anchor belt in tension at about the predetermined tension measurement in response to pivotable movement of the actuator lever about the actuator pivot axis during a first actuation stage relative to the shell-support base and for storing energy during such pivotable movement of the actuator lever that is later released automatically in a subsequent second actuation stage after the juvenile seat shell has been coupled to the shell-support base in response to any unexpected detensioning of the anchor belt sufficient to change tension in the anchor belt to a magnitude that is less than the predetermined tension measurement to move the belt pusher further in the downward direction to move the central portion of the anchor belt to establish a second changed belt path of the anchor belt that is different from the first changed belt path to restore the anchor belt to a tensioned condition characterized by the predetermined tension measurement without any movement of the actuator lever relative to the shell-support base.
-
20. A child restraint comprising
a juvenile holder including a shell-support base adapted to set on a passenger seat in a vehicle in close proximity to first and second anchor mounts included in the vehicle and a juvenile seat shell adapted to he coupled to the shell-support base, an anchor belt including a first connector adapted to be coupled to the first anchor mount, a second connector adapted to be coupled to the second anchor mount, and a strap arranged to extend between the first and second anchor mounts and lie on the shell-support base along an initial belt path when the first connector is coupled to the first anchor mount and the second connector is coupled to the second anchor mount to establish a just-installed position of the anchor belt on the shell-support base, a belt tensioner coupled to the shell-support base and configured to include belt-path changer means for using an elastic compressible energy-storage spring to change the belt path of the anchor belt before the juvenile seat shell is coupled to the shell-support base and while the anchor belt is coupled to the first and second anchor mounts from the initial belt path to a first changed belt path to take slack out of the anchor belt so as to increase tension in the anchor belt from an initial installation tension associated with the just-installed position of the anchor belt to a relatively greater predetermined tension so that movement of the shell-support base and the juvenile seat shell coupled to the shell-support base relative to an underlying passenger seat in a vehicle is limited in accordance with a predetermined specification, wherein the elastic compressible energy-storage spring is compressed to store energy during change of the anchor belt from the initial belt path to the first changed belt path, and wherein the belt-path changer means further includes an actuator mounted on the shell-support base for movement relative to the shell-support base and a belt pusher arranged to lie in confronting relation to the strap of the anchor belt and the elastic compressible energy-storage spring is configured to provide means for moving the belt pusher relative to the shell-support base to move a central portion of the anchor belt relative to the shell-support base to establish the first changed belt path of the anchor belt and place the anchor belt in tension at about the predetermined tension in response to movement of the actuator relative to the shell-support base during a first actuation stage and for storing energy during such movement of the actuator that is later released in a subsequent second actuation stage after the juvenile seat shell has been coupled to the shell-support base in response to any unexpected detensioning of the anchor belt sufficient to change tension in the anchor belt to a magnitude that is less than the predetermined tension to move the belt pusher relative to the shell-support base to move the central portion of the anchor belt relative to the shell-support base to establish a second changed belt path of the anchor belt that is different from the first changed belt path to restore the anchor belt to a tensioned condition characterized by the predetermined tension without any movement of the actuator lever relative to the shell-support base.
Specification