Removable ladder handle
원문보기
IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
|
출원번호 |
US-0431749
(2012-03-27)
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등록번호 |
US-8540294
(2013-09-24)
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발명자
/ 주소 |
- Dowler, Aaron
- Jones, Joseph
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출원인 / 주소 |
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대리인 / 주소 |
Rylander & Associates, PC
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인용정보 |
피인용 횟수 :
4 인용 특허 :
6 |
초록
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A removable ladder handle allows a user to carry a ladder comfortably with one hand or a shoulder strap. The removable ladder handle has a bar, one or more compression springs and one or more spring clips that have a concave downward shape. A middle section of each spring clip is coupled to the bar.
A removable ladder handle allows a user to carry a ladder comfortably with one hand or a shoulder strap. The removable ladder handle has a bar, one or more compression springs and one or more spring clips that have a concave downward shape. A middle section of each spring clip is coupled to the bar. The compression springs are coupled to the bar facing downward. Both end sections of each spring clip have inside hooks that face inward and upward. The spring clips and inside hooks are configured to fit over one of the side rails of a ladder and snap on to inner edges of the side rail when the removable ladder handle is engaged to the ladder by a user pushing the removable ladder handle down onto the side rail.
대표청구항
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1. A removable ladder handle device comprising: a bar with an upward facing side and a downward facing side;at least two spring clips, each with a middle section, two end sections and two inside hooks;the middle section of each of the spring clips coupled to the bar;each of the spring clips with a c
1. A removable ladder handle device comprising: a bar with an upward facing side and a downward facing side;at least two spring clips, each with a middle section, two end sections and two inside hooks;the middle section of each of the spring clips coupled to the bar;each of the spring clips with a concave downward shape;each of the inside hooks coupled with one of the spring clip end sections;each of the inside hook facing inward and upward; andat least two compression springs, each coupled to the downward facing side of the bar. 2. The device of claim 1, wherein end sections of each spring clip are substantially parallel and separated by a distance slightly more than a width of a standard extension ladder side rail. 3. The device of claim 1, wherein end sections of each spring clip are substantially parallel and separated by a distance of 2.5 to 3.5 inches. 4. The device of claim 1, further comprising: a back hook coupled to one of the spring clips, facing outward and upward. 5. The device of claim 1, further comprising: a plurality of rings attached to the removable ladder handle, at least one at each end, configured to allow attachment of a shoulder strap. 6. The device of claim 1, further comprising: a security rod coupled to one of the spring clips, deposed between the end sections. 7. The device of claim 1, wherein the compression springs are tapered springs. 8. The device of claim 1, wherein each compression spring is coupled to the bar where the bar is coupled to one of the spring clips. 9. The device of claim 1, wherein each inside hook is a piece of sheet metal bent into an inside hook shape. 10. The device of claim 9, wherein each piece of sheet metal that forms one of the inside hooks is part of a monolithic piece of sheet metal that forms a rest of the spring clip. 11. A removable ladder handle device comprising: a bar with an upward facing side and a downward facing side;a spring clip, with a middle section, two end sections and two inside hooks;the middle section of the spring clip coupled to the bar;the spring clip with a concave downward shape;each of the inside hooks coupled with one of the spring clip end sections;each of the inside hooks facing inward and upward; anda compression spring coupled to the downward facing side of the bar. 12. The device of claim 11, wherein end sections of the spring clip are substantially parallel and separated by a distance slightly more than a width of a standard extension ladder side rail. 13. The device of claim 11, wherein end sections of the spring clip are substantially parallel and separated by a distance of 2.5 to 3.5 inches. 14. The device of claim 11, further comprising: a back hook coupled to the spring clip, facing outward and upward. 15. The device of claim 11, further comprising: a plurality of rings attached to the removable ladder handle, at least one at each end, configured to allow attachment of a shoulder strap. 16. The device of claim 11, further comprising: a security rod coupled to one of the spring clips, deposed between the end sections. 17. The device of claim 11, further comprising: a security rod coupled to one of the spring clips, deposed between the end sections, 1 to 1.25 inches above a top of the inside hooks. 18. The device of claim 11, wherein the compression spring has a tapered shape. 19. The device of claim 18, further comprising: a spring base with a shape that conforms to dimensions inside a narrow end of the tapered shape of the compression spring;the spring base deposed with the narrow end of the tapered shape of the compression spring; andthe spring base coupled to the bar with a rivet.
이 특허에 인용된 특허 (6)
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Hollister Ronald S. ; Corbett Thomas S., Apparatus for gripping a fluid carrying hose.
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Harrison ; Jr. Eddie (2177 N. Stocker St. Pomona CA 91767), Article carrier.
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Lapierre Clement,CAX ITX J0H 1M0, Carrying and handling tool for construction boards.
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Bush John B. (1117 Cleo Chapman Sunset SC 29685) Gilchrist Randy G. (632 W. Springwood Dr. Seneca SC 29678), Ladder handle assembly.
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Wawerski, Marvin, Portable devices for detachably securing cans and other objects.
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Grenzer Leslie J. (7450 Indian Trail Rockford MN 55373), Portaging device.
이 특허를 인용한 특허 (4)
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Morris, Jason E.; DiPlacido, Robert; Lisichenko, Vitaliy, Closet carrier handle assembly.
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Davis, Jarran C., Device for carrying a ladder.
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Davis, Jarran C., Device for carrying extension ladder.
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Bachorski, William M., Ladder carrying apparatus and method of modifying a ladder.
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