초록 ▼

A juvenile walker includes a rolling base and a child restraint coupled to the rolling base to move therewith. The child restraint is adapted to support a child using the juvenile walker. The rolling base includes a lift carrier and a child-restraint lift coupled to both the child restraint and the

A juvenile walker includes a rolling base and a child restraint coupled to the rolling base to move therewith. The child restraint is adapted to support a child using the juvenile walker. The rolling base includes a lift carrier and a child-restraint lift coupled to both the child restraint and the lift carrier to vary a height of the child restraint above ground.

대표청구항 ▼

1. A juvenile walker comprising a rolling base adapted to roll over ground underlying and supporting the rolling base,a child restraint coupled to the rolling base and adapted to support a child at various heights above ground, anda restraint height adjuster configured to provide means for adjusting

1. A juvenile walker comprising a rolling base adapted to roll over ground underlying and supporting the rolling base,a child restraint coupled to the rolling base and adapted to support a child at various heights above ground, anda restraint height adjuster configured to provide means for adjusting a position of the child restraint relative to ground to cause the juvenile walker to be arranged to accommodate children of varying sizes in response to application of at least a first compression force which frees portions of the restraint height adjuster to move in response to application of an upward force away from the rolling base that frees the child restraint to move up and down relative to ground so that inadvertent movement of the child restraint is blocked in absence of both the first compression force and the upward force. 2. The juvenile walker of claim 1, wherein the restraint height adjuster includes an adjuster mount coupled to the child restraint in a fixed position relative to the child restraint, a height lock coupled to the adjuster mount to move relative to the adjuster mount between a locked position in which movement of the child restraint relative to the rolling base is blocked and an unlocked position in which movement of the child restraint relative to the rolling base is permitted, and a height-lock actuator coupled to the height lock to move relative to the height lock between an engaged position in which the height lock is freed to move between the locked and unlocked positions and a disengaged position in which the height lock is blocked from moving between the locked and unlocked position. 3. The juvenile walker of claim 2, wherein the adjuster mount includes a mount body coupled to the child restraint in a fixed position relative to the child restraint and an anchor receiver coupled to the mount body, the mount body includes a first support rail and a second support rail spaced apart from the first support rail to define a lock channel therebetween, and the anchor receiver is configured to engage the height lock and a portion of the height lock is arranged to extend through the lock channel when the height lock is in the locked position. 4. The juvenile walker of claim 3, wherein the height lock is formed to include an interior region, a first button aperture arranged to open into the interior region, and a second button aperture arranged to open into the interior region and the height-lock actuator includes a first button arranged to extend through the first button aperture to engage the first support rail when the height lock is in the locked position and the height-lock actuator is in the disengaged position and arranged to lie in the interior region and disengage the first support rail when the height-lock actuator is moved to the engaged position, a second button arranged to extend through the second button aperture to engage the second support rail when the height lock is in the locked position and the height-lock actuator is in the disengaged position and arranged to lie in the interior region and disengage the second support rail when the height-lock actuator is moved to the engaged position, and a first bias member located between and coupled to the first and second buttons and configured to provide associated bias forces to the first and second buttons that urge the first and second buttons to move relative to the height lock to cause the height-lock actuator to assume the disengaged position. 5. The juvenile walker of claim 2, wherein the height-lock actuator includes a first button and a second button, the first compression force is applied to the first button and a second compression force is applied to the second button to move the height-lock actuator from the disengaged position to the engaged position, and the upward force is applied to the height lock when the height-lock actuator is in the engaged position to move the height lock from the locked position to the unlocked position. 6. The juvenile walker of claim 2, wherein the adjuster mount includes a mount body coupled to the child restraint and an anchor receiver coupled to the mount body, the anchor receiver includes a first track, a first set of anchor teeth coupled to the first track, a second track, and a second set of anchor teeth coupled to the second track, the height lock slides on the mount body relative to the first and second tracks when the height lock is in the unlocked position, and the height lock engages the first and second set of anchor teeth to block sliding of the height lock when the height lock is in the locked position. 7. The juvenile walker of claim 2, wherein the adjuster mount is formed to include a lock channel and the height lock includes an anchor coupled to the adjuster mount to move relative to the adjuster mount, a front mount-tube receiver coupled to the anchor to move therewith and coupled to the rolling base to move relative to the rolling base, and an anchor return coupled to the anchor to move relative to the anchor and configured to urge the anchor to extend through the lock channel. 8. The juvenile walker of claim 2, wherein the height lock includes an anchor and an anchor return, the anchor includes an upper shell and a lower shell configured to provide an interior region and the anchor return includes a spring mount coupled to the lower shell and configured to be received in the interior region of the lower shell and a bias member coupled to the spring mount and the upper shell and arranged to urge the spring mount into the interior region of the lower shell to bias the lower shell downwardly away from the child restraint into the locked position. 9. The juvenile walker of claim 1, wherein the restraint height adjuster includes a height lock movable between a locked position in which movement of the child restraint relative to the rolling base is blocked and an unlocked position in which movement of the child restraint relative to the rolling base is permitted and a height-lock actuator movable between an engaged position in which the height lock is freed to move between the locked and unlocked positions and a disengaged position in which the height lock is blocked from moving between the locked and unlocked position and the height-lock actuator includes a first button and a bias member coupled to the first button to provide a bias force that urges the first button to move relative to the height lock to move the height-lock actuator to the disengaged position. 10. The juvenile walker of claim 9, wherein the first compression force is applied to the first button to overcome the bias force and move the first button relative to the height lock to move the height-lock actuator to the engaged position. 11. The juvenile walker of claim 9, wherein the height-lock actuator further includes a second button and the bias member is coupled to the second button to provide a second bias force that urges the second button to move relative to the height lock to move the height-lock actuator to the disengaged position. 12. The juvenile walker of claim 11, wherein a second compression force is applied to the second button to overcome the second bias force and move the second button relative to the height lock to the move the height-lock actuator to the engaged position. 13. The juvenile walker of claim 1, wherein the restraint height adjuster includes an adjuster mount and a height lock including an anchor coupled to the adjuster mount to move relative to the adjuster mount, a front mount-tube receiver coupled to the anchor to move therewith and coupled to the rolling base to move relative to the rolling base, and an anchor return coupled to the anchor to move relative to the anchor and the anchor and the front mount-tube receiver are free to move relative to the adjuster mount after the upward force is applied to the height lock to move the height lock toward the child restraint. 14. The juvenile walker of claim 13, wherein the height lock is movable between a locked position in which movement of the child restraint relative to the rolling base is blocked and an unlocked position in which movement of the child restraint relative to the rolling base is permitted and the anchor includes an upper shell and a lower shell coupled to the upper shell to move relative to the upper shell to cause the height lock to move between the locked position and the unlocked position. 15. The juvenile walker of claim 14, wherein the anchor return provides a bias force to the lower shell to cause the lower shell and the front mount-tube receiver to move relative to the rolling base to move the height lock from the unlocked position to the locked position in absence of the upward force. 16. The juvenile walker of claim 13, wherein the restraint height adjuster further includes a height-lock actuator movable between an engaged position in which the height lock is freed to move between the locked and unlocked positions and a disengaged position in which the height lock is blocked from moving between the locked and unlocked position, the anchor includes an upper shell and a lower shell coupled to the upper shell to move relative to the upper shell to cause the height lock to move between the locked position and the unlocked position, and the lower shell of the anchor is formed to include an interior region and at least one button aperture arranged to open into the interior region and a portion of the height-lock actuator is located in the interior region. 17. The juvenile walker of claim 16, wherein the anchor return includes a spring mount coupled to the lower shell and a bias member coupled to the spring mount and configured to bias the spring mount into the interior region of the lower shell and the spring mount is coupled to the lower shell to move therewith toward the upper shell when the upward force is applied to the height lock, and wherein the bias member is further coupled to the upper shell of the anchor to move therewith. 18. The juvenile walker of claim 1, wherein the restraint height adjuster includes a height lock and an adjuster mount including a mount body coupled to the child restraint in a fixed position relative to the child restraint and an anchor receiver coupled to the mount body in a fixed position relative to the mount body and configured to support the height lock thereon. 19. The juvenile walker of claim 18, wherein the height lock is movable between a locked position in which movement of the child restraint relative to the rolling base is blocked and an unlocked position in which movement of the child restraint relative to the rolling base is permitted, the restraint height adjuster further includes a height-lock actuator coupled to the height lock to move relative to the height lock between an engaged position in which the height lock is freed to move between the locked and unlocked positions and a disengaged position in which the height lock is blocked from moving between the locked and unlocked position, and the mount body includes a first support rail and a second support rail spaced apart from the first support rail to define a lock channel therebetween and a portion of the height lock is arranged to extend through the lock channel when the height lock is in the locked position. 20. The juvenile walker of claim 18, wherein the height lock slides on the mount body to cause the child restraint to move relative to the rolling base in response to a sliding force applied to the child restraint after the upward force is applied to the height lock. 21. The juvenile walker of claim 18, wherein the anchor receiver includes a first track and a first set of anchor teeth coupled to the first track. 22. The juvenile walker of claim 21, wherein the anchor receiver includes a second track and a second set of anchor teeth coupled to the second track. 23. The juvenile walker of claim 21, wherein the first set of anchor teeth extend away from the rolling base toward the child restraint. 24. The juvenile walker of claim 1, wherein the restraint height adjuster includes an adjuster mount including a first support rail, a first track coupled to the first support rail, and a first set of anchor teeth coupled to the first track to extend toward the child restraint, a height lock including an anchor coupled to and supported by the first support rail for sliding movement relative to the first track, a front mount-tube receiver arranged to interconnect the anchor and the rolling base to cause the anchor and the front mount-tube receiver to move together relative to the rolling base and an anchor return coupled to the anchor to bias the height lock away from the child restraint, and a height-lock actuator including a first button coupled to the anchor to move relative to the anchor and a bias member coupled to the first button and arranged to provide a bias force to the first button that urges the first button to move relative to the anchor and away from the first track. 25. The juvenile walker of claim 24, wherein the adjuster mount is coupled to the child restraint, the height lock is movable between a locked position in which movement of the child restraint relative to the rolling base is blocked and an unlocked position in which movement of the child restraint relative to the rolling base is permitted, the height-lock actuator is movable between an engaged position in which the height lock is freed to move between the locked and unlocked positions and a disengaged position in which the height lock is blocked from moving between the locked and unlocked position, and the first compression force is applied to the first button to overcome the bias force and move the height-lock actuator to the engaged position. 26. The juvenile walker of claim 25, wherein the anchor and the front mount-tube receiver are free to move relative to the rolling base when the upward force is applied to the height lock to move the height lock from the locked position to the unlocked position. 27. The juvenile walker of claim 25, wherein the anchor and the front mount-tube receiver are free to move relative to the rolling base when the upward force is applied to the height lock to move the height lock from the locked position to the unlocked position, the height-lock actuator further includes a second button and the bias member is located between and arranged to interconnect the first and second buttons to provide a bias force that urges the first and second buttons away from one another toward the disengaged position, the first compression force is applied to the first button and a second compression force is applied to the second button to overcome the bias force and move the first and the second buttons relative to the anchor toward one another to the engaged position to free the anchor and the front mount-tube receiver to pivot away from the first set of anchor teeth of the adjuster mount in response to application of the upward force. 28. The juvenile walker of claim 24, wherein the anchor includes an anchor body coupled to the front mount-tube receiver and a side-locking nub coupled to the anchor body to engage the first set of anchor teeth in absence of the upward force and to be disengaged from the first set of anchor teeth after the upward force is applied to the height lock. 29. The juvenile walker of claim 28, wherein the height lock slides relative to the first track in response to application of a sliding force by a user to the height lock when the side-locking nub is disengaged from the first set of anchor teeth. 30. The juvenile walker of claim 28, wherein the anchor is formed to include an interior region and a button aperture opening into the interior region and the first button is arranged to extend out of the interior region through the button aperture when the side-locking nub is engaged with the first set of anchor teeth and lie entirely in the interior region when the side-locking nub is disengaged from the first set of anchor teeth. 31. The juvenile walker of claim 24, wherein the height lock is movable between a locked position in which movement of the child restraint relative to the rolling base is blocked and an unlocked position in which movement of the child restraint relative to the rolling base is permitted, the adjuster mount further includes a second support rail, a second track coupled to the second support rail, and a second set of anchor teeth coupled to the second track to extend toward the child restraint, the first support rail is spaced apart from the second support rail to form a lock channel therebetween, and the height lock is arranged to extend into the lock channel when the height lock is in the locked position. 32. The juvenile walker of claim 31, wherein the height-lock actuator is movable between an engaged position in which the height lock is freed to move between the locked and unlocked positions and a disengaged position in which the height lock is blocked from moving between the locked and unlocked position and the first track abuts the first button to block the first button from moving to the disengaged position when the height lock is in the unlocked position. 33. The juvenile walker of claim 31, wherein the height-lock actuator is movable between an engaged position in which the height lock is freed to move between the locked and unlocked positions and a disengaged position in which the height lock is blocked from moving between the locked and unlocked position, the height-lock actuator further includes a second button coupled to the anchor to move relative to the anchor, the bias member is coupled to the second button and arranged to provide a bias force that urges the second button to move relative to the anchor into the disengaged position, the first button engages the first support rail and the second button engages the second support rail to block movement of the height lock when the height-lock actuator is in the disengaged position, and the first and second buttons disengage the first and second support rails to allow movement of the height lock when the height-lock actuator is in the engaged position. 34. The juvenile walker of claim 1, wherein the restraint height adjuster includes a height lock movable between a locked position in which movement of the child restraint relative to the rolling base is blocked and an unlocked position in which movement of the child restraint relative to the rolling base is permitted and a height-lock actuator movable between an engaged position in which the height lock is freed to move between the locked and unlocked positions and a disengaged position in which the height lock is blocked from moving between the locked and unlocked position and the first compression force and a second compression force are applied to the height-lock actuator to move the height-lock actuator from the disengaged position to the engaged position. 35. The juvenile walker of claim 34, wherein the height-lock actuator is biased into the disengaged position in absence of the first and second compression forces. 36. The juvenile walker of claim 35, wherein the first and second compression forces are applied to the height-lock actuator in a horizontal plane. 37. The juvenile walker of claim 35, wherein the upward force is applied in a direction perpendicular to a direction of the first and second compression forces. 38. The juvenile walker of claim 34, wherein the upward force is applied to the height lock to move the height lock from the locked position to the unlocked position. 39. The juvenile walker of claim 38, wherein the height lock is biased into the locked position in absence of the upward force. 40. The juvenile walker of claim 38, wherein the upward force is applied in a vertical plane. 41. A juvenile walker comprising a rolling base adapted to roll over ground underlying and supporting the rolling base,a child restraint coupled to the rolling base and adapted to support a child at various heights above ground, anda restraint height adjuster including an adjuster mount coupled to the child restraint in a fixed position relative to the child restraint, a height lock coupled to the adjuster mount to move relative to the adjuster mount between a locked position in which movement of the child restraint relative to the rolling base is blocked and an unlocked position in which movement of the child restraint relative to the rolling base is permitted, and a height-lock actuator coupled to the height lock to move relative to the height lock between an engaged position in which the height lock is freed to move between the locked and unlocked positions and a disengaged position in which the height lock is blocked from moving between the locked and unlocked position, and the restraint height adjuster is configured to adjust a position of the child restraint relative to ground to cause the juvenile walker to be arranged to accommodate children of varying sizes in response to application of first and second compression forces applied to the height-lock actuator that free the height-lock actuator to move in response to application of a upward force to the height lock causing the height lock to move to the unlocked position so that inadvertent movement of the child restraint is blocked in absence of both the first and second compression forces and the upward force. 42. The juvenile walker of claim 41, wherein the height lock includes an anchor return and an anchor, the anchor includes an upper shell and a lower shell formed to define an interior region, the anchor return includes a spring mount coupled to the lower shell and a second bias member coupled to the spring mount and the upper shell to urge the spring mount into the interior region of the lower shell to cause the lower shell to move downwardly so that the height lock assumes the locked position. 43. The juvenile walker of claim 41, wherein the adjuster mount includes a mount body and an anchor receiver coupled to the mount body, the mount body includes a first support rail and a second support rail, the anchor receiver includes a first set of anchor teeth and a second set of anchor teeth, the height lock translates on the first and second support rails relative to the anchor receiver when the height lock is in the unlocked position, and the height lock engages the first and second set of anchor teeth to block translation of the height lock when the height lock is in the locked position. 44. The juvenile walker of claim 41, wherein the adjuster mount includes a mount body coupled to the child restraint in a fixed position relative to the child restraint and an anchor receiver coupled to the mount body, the mount body includes a first support rail and a second support rail spaced apart from the first support rail to define a lock channel therebetween, and a portion of the height lock is arranged to extend into the lock channel to cause the height-lock actuator to engage the first and second support rails when the height lock is in the locked position and the height-lock actuator is in the disengaged position. 45. The juvenile walker of claim 41, wherein the height-lock actuator includes a first button and a second button and the first compression force is applied to the first button and the second compression force is applied to the second button to cause the height-lock actuator to move from the disengaged position to the engaged position and the upward force is applied to the height lock when the height-lock actuator is in the engaged position to cause the height lock to move from the locked position to the unlocked position. 46. The juvenile walker of claim 41, wherein the adjuster mount includes a first support rail and a second support rail and the height lock slides on the first and second support rails to cause the child restraint to move relative to the rolling base in response to a sliding force applied to the child restraint when the height lock is in the unlocked position. 47. The juvenile walker of claim 46, wherein the height lock is formed to include an interior region, a first button aperture that opens into the interior region, and a second button aperture that opens into the interior region and the height-lock actuator includes a first button arranged to extend through the first button aperture to engage the first support rail when the height lock is in the locked position and the height-lock actuator is in the disengaged position and arranged to lie in the interior region and disengage from the first support rail when the height-lock actuator is moved to the engaged position, a second button arranged to extend through the second button aperture to engage the second support rail when the height lock is in the locked position and the height-lock actuator is in the disengaged position and arranged to lie in the interior region disengaged from the second support rail when the height-lock actuator is moved to the engaged position, and a first bias member located between the first and second buttons and configured to provide a first bias force that urges the first button to move relative to the height lock to the disengaged position and a second bias force that urges the second button to move relative to the height lock to the disengaged position. 48. The juvenile walker of claim 47, wherein the height lock includes an anchor formed to include the interior region, the first button aperture, and the second button aperture and is coupled to the adjuster mount to move relative to the adjuster mount, a front mount-tube receiver coupled to the anchor to move therewith and coupled to the rolling base to move relative to the rolling base, and an anchor return coupled to the anchor to move relative to the anchor and configured to bias the anchor to extend into the lock channel.