Adjustable staircase and height-adjustable platform with adjustable staircase
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E04F-011/00
E04F-019/00
E04F-011/06
E04G-001/18
E04G-001/28
E04G-005/10
E04G-005/14
E04G-027/00
E06C-001/39
E04G-013/06
E04F-011/025
E04F-011/18
출원번호
US-0605655
(2015-01-26)
등록번호
US-9562358
(2017-02-07)
발명자
/ 주소
Lanphear, John Stephen
출원인 / 주소
John Stephen Lanphear
대리인 / 주소
Diederiks & Whitelaw, PLC
인용정보
피인용 횟수 :
0인용 특허 :
15
초록▼
An adjustable staircase includes an upper stair, a lower stair, a first bar and a second bar. The vertical distance between the upper stair and the lower stair is adjustable. Also, each bar is coupled to each of the upper and lower stairs, and the first bar is configured to function as a guard. As a
An adjustable staircase includes an upper stair, a lower stair, a first bar and a second bar. The vertical distance between the upper stair and the lower stair is adjustable. Also, each bar is coupled to each of the upper and lower stairs, and the first bar is configured to function as a guard. As a result, the first bar blocks a pinch point between the first and second bars.
대표청구항▼
1. A height-adjustable platform comprising: an adjustable staircase including: an upper stair;a lower stair;a first bar coupled to a front portion of each of the upper and lower stairs and configured to function as a first guard; anda second bar coupled to a rear portion of each of the upper and low
1. A height-adjustable platform comprising: an adjustable staircase including: an upper stair;a lower stair;a first bar coupled to a front portion of each of the upper and lower stairs and configured to function as a first guard; anda second bar coupled to a rear portion of each of the upper and lower stairs, wherein a vertical distance between the upper stair and the lower stair is adjustable, no pinch point is formed between the first bar and the second bar, the first bar extends across at least a portion of the second bar, and the second bar is located to the inside of the first bar. 2. The height-adjustable platform of claim 1, wherein the second bar is located on the right side of the staircase, and wherein, when viewed from the right side of the staircase, the second bar is not visible. 3. The height-adjustable platform of claim 2, wherein the first bar is located on the right side of the staircase and blocks a pinch point between the first bar and the upper or lower stair. 4. The height-adjustable platform of claim 3, wherein the staircase further includes: a second guard; anda third guard coupled to or formed integrally with the upper stair. 5. The height-adjustable platform of claim 4, wherein the third guard is located on the right side of the staircase, and wherein, when viewed from the right side of the staircase, the third guard extends across at least a portion of the second bar. 6. The height-adjustable platform of claim 1, wherein the staircase further includes second and third guards, and wherein the second guard is located to the outside of the first bar, the first bar is located to the outside of the third guard and the third guard is located to the outside of the second bar. 7. The height-adjustable platform of claim 1, wherein the staircase further includes a height-adjusting mechanism configured to adjust the vertical distance between the upper stair and the lower stair. 8. An adjustable staircase comprising: an upper stair;a lower stair;a first bar coupled to a front portion of each of the upper and lower stairs and configured to function as a first guard; anda second bar coupled to a rear portion of each of the upper and lower stairs, wherein a vertical distance between the upper stair and the lower stair is adjustable, no pinch point is formed between the first bar and the second bar, the first bar extends across at least a portion of the second bar, and the second bar is located to the inside of the first bar. 9. The adjustable staircase of claim 8, further comprising a second guard and a third guard, wherein the second guard is located to the outside of the first bar, the first bar is located to the outside of the third guard and the third guard is located to the outside of the second bar. 10. The adjustable staircase of claim 8, further comprising a height-adjusting mechanism configured to adjust the vertical distance between the upper stair and the lower stair. 11. An adjustable staircase comprising: an upper stair;a lower stair;a first bar coupled to a front portion of each of the upper and lower stairs and configured to function as a first guard; anda second bar coupled to a rear portion of each of the upper and lower stairs, wherein a vertical distance between the upper stair and the lower stair is adjustable, no pinch point is formed between the first bar and the second bar, the first bar extends across at least a portion of the second bar, and the second bar is located to the inside of the first bar, wherein the second bar is located on the right side of the staircase, and wherein, when viewed from the right side of the staircase, the second bar is not visible. 12. The adjustable staircase of claim 11, wherein the first bar is located on the right side of the staircase. 13. The adjustable staircase of claim 12, further comprising: a second guard; anda third guard coupled to or formed integrally with the upper stair. 14. The adjustable staircase of claim 13, wherein the third guard is located on the right side of the staircase, and wherein, when viewed from the right side of the staircase, the third guard extends across at least a portion of the second bar such that the pinch point is eliminated.
Williams Michael G. (Box 756 Sun Valley ID 83353) Williams Jim R. (5705 E. Mountain Ave. Orange CA 92667), Storable stairway and platform apparatus for recreational vehicles.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.