초록 ▼

A passenger carrier frame of the invention includes a lower frame member, a folding frame member, a back frame member and a frame folding control. These frame members are pivotally connected adjacent their ends to form a triangular arrangement in side view. The pivotal connections permit the frame t

A passenger carrier frame of the invention includes a lower frame member, a folding frame member, a back frame member and a frame folding control. These frame members are pivotally connected adjacent their ends to form a triangular arrangement in side view. The pivotal connections permit the frame to be folded and the frame folding control acts at a selected one of the pivotal connections to drive and lock pivotal rotation at that pivotal connection.

대표청구항 ▼

1. A passenger carrier frame comprising: a lower frame member; a folding frame member including a folding joint; an upper frame member, the frame members having pivotal connections to connect them adjacent their ends to form a triangular arrangement in side view and the pivotal connections and the f

1. A passenger carrier frame comprising: a lower frame member; a folding frame member including a folding joint; an upper frame member, the frame members having pivotal connections to connect them adjacent their ends to form a triangular arrangement in side view and the pivotal connections and the folding joint together permitting the frame to be folded; and a frame folding control acting at a selected one of the pivotal connections to drive rotation at that pivotal connection to cause folding and unfolding of the frame and being actuatable to lock against rotation at that pivotal connection and the frame folding control including a folding link including a first link portion pivotally fixed to the upper frame member and a second link portion pivotally fixed to the folding frame member and a link pivotal connection between the first link portion and the second link portion, the folding link being actuatable to lock by locking the link pivotal connection against pivotal movement.2. The passenger carrier frame of claim 1 wherein the frame folding control drives the folding frame member to collapse inwardly about the joint toward the lower frame member, such that the upper frame member and the lower frame member fold together with the folding frame member disposed therebetween.3. The passenger carrier frame of claim 1 wherein the second link portion is pivotally fixed to the folding frame member within the end 25% of the folding frame member length.4. The passenger carrier frame of claim 1 further comprising means supporting the attachment of transport means.5. The passenger carrier frame of claim 1 wherein the first link portion is formed as a lever including an end extending beyond the pivotal connection, the frame folding control being actuatable to lock by means of a releasable latch between the lever and the upper frame member.6. The passenger carrier frame of claim 5 wherein the frame is formed to accommodate a handlebar for construction of a pushable carrier and the handlebar is connectable to the lever of the frame folding control.7. The passenger carrier frame of claim 5 wherein the frame folding control drives rotation at the selected pivotal connection to cause unfolding of the frame by rotating the lever toward the selected pivotal connection.8. A passenger carrier frame comprising: a first frame member; a second frame member pivotally connected to the first frame member; a folding frame member including a first pivotal connection to the first frame member, a second pivotal connection to the second frame member and a joint positioned between the first pivotal connection and the second pivotal connection and a frame foldIng control connected between the second frame member and the folding frame member to control pivotal movement about the second pivotal connection, the frame folding control being lockable to fix the frame members against pivotal movement about the second pivotal connection and unlockable to permit pivotal rotation at the second pivotal connection such that the second frame member and the folding frame member can pivot about the second pivotal connection and the folding frame member can collapse about the joint and the frame folding control driving the folding frame member to collapse inwardly about the joint toward the first frame member, such that the second frame member and the first frame member fold together with the folding frame member disposed therebeiween.9. The passenger carrier frame of claim 8 further comprising means supporting the attachment of transport means.10. The passenger carrier frame of claim 8 wherein the frame folding control includes a folding link including a first link portion pivotafly fixed to the second frame member and a second link portion pivotally fixed to the folding frame member and a link pivotal connection between the first link portion and the second link portion, the folding link being lockable by locking the link pivotal connection against pivotal movement.11. The passenger carrier frame of claim 10 wherein the first link portion is formed as a lever including a pivotal connection to the second frame member and a handle at an end opposite the pivotal connection with the link pivotal connection fixed therebetween, the frame folding control being lockable by means of a releasable latch between the lever and the second frame member.12. The passenger carrier frame of claim 11 wherein the frame is formed to accommodate a handlebar for construction of a pushable carrier and the handlebar is connectable to the lever of the frame folding control.13. The passenger carrier frame of claim 11 wherein the frame folding control is unlockable by rotating the lever toward the first frame member.14. The passenger carrier frame of claim 10 wherein the second link portion is pivotally fixed to the folding frame member within the end 25% of the folding frame member length.15. A passenger carrier frame comprising: a first frame member; a second frame member pivotally connected to the first frame member; a folding frame member including a first pivotal connection to the first frame member, a second pivotal connection to the second frame member and a joint positioned between the first pivotal connection and the second pivotal connection and a frame folding control connected between the second frame member and the folding frame member to control pivotal movement about the second pivotal connection, the frame folding control being lockable to fix the frame members against pivotal movement about the second pivotal connection and unlockable to permit pivotal rotation at the second pivotal connection such that the second frame member and the folding frame member can pivot about the second pivotal connection and the folding frame member can collapse about the joint and the frame folding control including a folding link including a first link portion pivotally fixed to the second frame member and a second link portion pivotally fixed to the folding frame member and a link pivotal connection between the first link portion and the second link portion, the folding link being lockable by locking the link pivotal connection against pivotal movement.16. The passenger carrier frame of claim 1 wherein the frame folding control drives the folding frame member to collapse inwardly about the joint toward the first frame member, such that the second frame member and the first frame member fold together with the folding frame member disposed therebetween.17. The passenger carrier frame of claim 1 wherein the second link portion is pivotally fixed to the folding frame member within the end 25% of the folding frame member length.18. The passenger carrier frame of claim 1 further comprising means supporting the attachment of transport means.19. The passenger carrier frame of claim 1 wherein the first link portion is formed as a lever including a pivotal connection to the second frame member and a handle at an end opposite the pivotal connection with the link pivotal connection fixed therebetween, the frame folding control being lockable by means of a releasable latch between the lever and the second frame member.20. The passenger carrier frame of claim 19 wherein the frame is formed to accommodate a handlebar for construction of a pushable carrier and the handlebar is connectable to the lever of the frame folding control.21. A passenger carrier frame comprising: a first frame member forming a base of the passenger carrier a second frame member pivotally connected to the first frame member and extending upwardly therefrom; a folding frame member including an upper end, a lower end and a joint therebetween about which the folding frame member cart be folded, the folding frame member being pivotally connected adjacent its lower end to the first frame member; an upper frame pivotal connection adjacent the upper end of the folding frame member, the upper frame pivotal connection providing a pivotally moveable connection between the folding frame member and the second frame member; and a frame folding control connected between the folding frame member and the secoid frame member to control pivotal movement about the upper frame pivotal connection, the frame folding control being lockable to fix the upper frame pivotal connection against pivotal movement and unlockable to permit pivotal rotation at the upper frame pivotal connection such that the folding frame member and the second frame member can pivot about the upper frame pivotal connection and the folding frame member can collapse about the joint, and the frame folding control including a folding link including a first link portion pivotally fixed to the second frame member and a second link portion pivotally fixed to the folding frame member and a link pivotal connection between the first link portion and the second link portion, the folding link being lockable by locking the link pivotal connection against pivotal movement.22. The passenger carrier frame of claim 21 wherein the second frame member forms the upper rear portion of the frame and the folding frame member is positioned forwardly thereof.23. The passenger carrier frame of claim 21 wherein the frame folding control drives the folding frame member to collapse inwardly about the joint toward the first frame member, such that the second frame member and the first frame member fold together with the folding frame member disposed therebetween.24. The passenger carrier frame of claim 21 wherein the second link portion is pivotally fixed to the folding frame member within the end 25% of the folding frame member length.25. The passenger carrier frame of claim 21 further comprising means supporting the attachment of transport means.26. The passenger carrier frame of claim 21 wherein the first link portion is formed as a lever including a pivotal connection to the second frame member and an end opposite the pivotal connection with the link pivotal connection positioned therebetween, the frame folding control being lockable by means of a releasable latch between the lever and the second frame member.27. The passenger carrier frame of claim 26 wherein the frame is formed to accommodate a handlebar for construction of a pushable carrier and the handlebar is connectable to the lever of the frame folding control.28. The passenger carrier frame of claim 26 wherein the frame folding control is unlockable by rotating the lever toward the first frame member.29. A passenger carrier frame comprising: a first frame member forming a base of the passenger carrier; a second frame member pivotally connected to the first frame member and extending upwardly therefrom; a folding frame member including an upper end, a lower end and a joint therebetween about which the folding frame member can be folded, the folding frame member being pivotally connected adjacent its lower end to the first frame member; an upper frame pivotal connection adjacent the upper end of the folding frame member, the upper frame pivotal connection providing a pivotally moveable connection between the folding frame member and the second frame member; and a frame folding control connected between the folding frame member and the second frame member to control pivotal movement about the upper frame pivotal connection, the frame folding control being lockable to fix the upper frame pivotal connection against pivotal movement and unlockable to permit pivotal rotation at the upper frame pivotal connection such that the folding frame member and the second frame member can pivot about the upper frame pivotal connection and the folding frame member can collapse about the joint, the frame folding control driving the folding frame member to collapse inwardly about the joint toward the first frame member, such that the second frame member and the first frame memoer fold together with the folding frame member disposed therebetween.30. The passenger carrier frame of claim 29 wherein the second frame member forms the upper rear portion of the frame and the folding frame member is positioned forwardly thereof.31. The passenger carrier frame of claim 29 further comprising transport means attached thereto.32. The passenger carrier frame of claim 29 wherein the frame folding control includes a folding link including a first link portion pivotally fixed to the second frame member and a second link portion pivotally fixed to the folding frame member and a link pivotal connection between the first link portion and the second link portion, the folding link being lockable by locking the link pivotal connection against pivotal movement.33. A passenger carrier frame comprising: a lower frame member; a folding frame member including a folding joint; an upper frame member, the frame members having pivotal connections to connect them adjacent their ends to form a triangular arrangement in side view and the pivotal connections and the folding joint together permitting the frame to be folded; and a frame folding control acting at a selected one of the pivotal connections to drive rotation at that pivotal connection to cause folding and unfolding of the frame and actuatable to lock against rotation at that pivotal connection and the frame folding control driving the folding frame member to collapse inwardly about the joint toward the lower frame member, such that the upper frame member and the lower frame member fold together with the folding frame member disposed therebetween, the frame folding control including a folding link including a first link portion pivotally fixed to the upper frame member and a second link portion pivotally fixed to the folding frame member and a link pivotal connection between the first link portion and the second link portion, the folding link being actuatable to lock by locking the link pivotal connection against pivotal movement.34. The passenger carrier frame of claim 33 further comprising means supporting the attachment of transport means.