IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0641070
(2017-07-03)
|
등록번호 |
US-9902328
(2018-02-27)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
6 |
초록
▼
The present invention relates to a retractable step assembly for a vehicle tailgate, comprising: a platform, the platform securable to the vehicle tailgate, the platform having a pair of frame arms, a pair of support arms, each support arm slidably connected to one of the frame arms; a pair of exten
The present invention relates to a retractable step assembly for a vehicle tailgate, comprising: a platform, the platform securable to the vehicle tailgate, the platform having a pair of frame arms, a pair of support arms, each support arm slidably connected to one of the frame arms; a pair of extension arms, each extension arm rotatably secured to one of the support arms; and a step, the step rotatably secured to each of the extension arms, wherein the step is extendable by movement of the support arms and extension arms to a position below the platform, and retractable by movement of the support arms and extension arms to a position in contact with the platform; and wherein the support arms, the extension arms and the step are all positioned within the perimeter of the platform when in a retracted position.
대표청구항
▼
1. A retractable step assembly for a vehicle tailgate, comprising: a platform, the platform securable to the vehicle tailgate, with an edge of the platform positioned at least 2½ inches below a top edge of the tailgate, and the platform having a pair of frame arms, each frame arm positioned along an
1. A retractable step assembly for a vehicle tailgate, comprising: a platform, the platform securable to the vehicle tailgate, with an edge of the platform positioned at least 2½ inches below a top edge of the tailgate, and the platform having a pair of frame arms, each frame arm positioned along an edge of the platform and perpendicular to the top edge of the tailgate when the platform is secured;a pair of support arms, each support arm connected to one of the frame arms and slidable along a first axis parallel to the platform;a pair of extension arms, each extension arm secured at one end to one of the support arms and rotatable around a second axis parallel to the platform and perpendicular to the first axis; anda step, the step secured to each of the extension arms and a second end of each extension arm opposite to the first end, the step rotatable about a third axis parallel with the second axis,wherein the step is extendable by movement of the support arms and extension arms to a position below the platform, and retractable by movement of the support arms and extension arms to a position in contact with the platform; andwherein the support arms, the extension arms and the step are all positioned within the perimeter of the platform when in a retracted position. 2. The retractable step assembly of claim 1, wherein the extension arms and the support arms are of similar length. 3. The retractable step assembly of claim 1, wherein the frame arms, the extension arms and the support arm are of similar length. 4. The retractable step assembly of claim 1, further including a locking mechanism to secure the step in the retracted position. 5. The retractable step assembly of claim 4, wherein the locking mechanism is part of the platform. 6. The retractable step assembly of claim 1, wherein the platform and the step are rectangular. 7. The retractable step assembly of claim 1, wherein one of the extension arms includes a first slidable locking knob which engages a hole in one of the support arms to lock the extension arms in an extended position and the step includes a side arm with a second slidable locking knob which engages a hole in one of the extension arms to lock the step in an extended position. 8. The retractable step assembly of claim 7, wherein the first slidable locking knob and the second slidable locking knob are located on the same side of the step assembly. 9. A kit for a retractable step assembly for a vehicle tailgate, comprising: a platform, the platform securable to the vehicle tailgate, the platform secured with an edge of the platform aligned positioned at least 2½ inches below a top edge of the tailgate, and the platform having a pair of frame arms, each frame arm positioned along an edge of the platform and perpendicular to the top edge of the tailgate when the platform is secured;a pair of support arms, each support arm connected to one of the frame arms and slidable along a first axis parallel to the platform;a pair of extension arms, each extension arm secured at one end to one of the support arms and rotatable around a second axis parallel to the platform and perpendicular to the first axis; anda step, the step secured to each of the extension arms and a second end of each extension arm opposite to the first end, the step rotatable about a third axis parallel with the second axis,wherein the step is extendable by movement of the support arms and extension arms to a position below the platform, and retractable by movement of the support arms and extension arms to a position in contact with the platform; andwherein the support arms, the extension arms and the step are all positioned within the perimeter of the platform when in a retracted position. 10. The kit of claim 9, wherein the extension arms and the support arms are of similar length. 11. The kit of claim 9, wherein the frame arms, the extension arms and the support arm are of similar length. 12. The kit of claim 9, further including a locking mechanism to secure the step in the retracted position. 13. The kit of claim 12, wherein the locking mechanism is part of the platform. 14. The kit of claim 9, wherein the platform and the step are rectangular. 15. The kit of claim 9, wherein one of the extension arms includes a first slidable locking knob which engages a hole in one of the support arms to lock the extension arms in an extended position and the step includes a side arm with a second slidable locking knob which engages a hole in one of the extension arms to lock the step in an extended position. 16. The kit of claim 15, wherein the first slidable locking knob and the second slidable locking knob are located on the same side of the step assembly when assembled.
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