IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0660864
(2010-03-06)
|
등록번호 |
US-8177247
(2012-05-15)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
10 인용 특허 :
43 |
초록
▼
A movable pullout step attachable to a vehicle and which has a spring actuated latching mechanism that selectively allows and restrains positioning of the pullout step in either a retracted position under the vehicle or a step position wherein a tread extends away from the vehicle to allow a person
A movable pullout step attachable to a vehicle and which has a spring actuated latching mechanism that selectively allows and restrains positioning of the pullout step in either a retracted position under the vehicle or a step position wherein a tread extends away from the vehicle to allow a person to stand thereon to facilitate the access to desired portions of the vehicle.
대표청구항
▼
1. A retractable, pull-out step for a vehicle, comprising, in combination: a frame member having: a base plate having a front edge, a back edge and a pair of spaced apart side edges, said base plate substantially planar in a first plane;a pair of spaced apart side walls upstanding from said pair of
1. A retractable, pull-out step for a vehicle, comprising, in combination: a frame member having: a base plate having a front edge, a back edge and a pair of spaced apart side edges, said base plate substantially planar in a first plane;a pair of spaced apart side walls upstanding from said pair of spaced apart side edges of said base plate, and each of said side walls having a bottom edge connected to said side edges of said base plate, and each of said side walls having a top edge spaced from said base plate;each of said side walls having a flange member extending outwardly from said top edge in directions away from said base plate, and each of said flange members lying in a second plane substantially parallel to said first plane;a pair of guides mounded on said base plate, a first of said pair of guides in regions adjacent a first of said side walls and the second of said pair of guides in regions adjacent the second of said pair of side walls, and said guides extending from regions adjacent said front edge of said base plate to regions adjacent said back edge of base plate said and substantially parallel to said side walls of said base plate;said first of said pair of guides having first walls defining a guide aperture therethrough;a pair of rails, each of said pair of rails having an outer end and an inner end, a first of said pair of rails mounted for reciprocal movement adjacent a first of said pair of guides for movement of said outer end towards and away from said front edge of said base plate and the second of said rails mounted for reciprocal movement with said first rail and adjacent the second of said pair of guide for reciprocal movement towards and away from said front edge of said base plate, said pair of rails moveable between a first retracted position wherein said inner ends thereof are in regions adjacent said back edge of said base plate and a second, step position wherein said outer end of said pair of rails extends beyond said front edge of said base plate to regions external said base plate;said first of said pair of rails having second walls defining a pair of spaced apart rail apertures therethrough;a tread member rigidly mounted on said pair of rails in regions adjacent said outer ends thereof for reciprocal movement therewith;a pivot pin on said base plate adjacent said first of said pair of guides;a lever pivotally mounted on said pivot pin for pivotal movement in a plane substantially parallel to said plane of said base member and said lever having a first arm extending on a first side of said pivot pin and a second arm extending on a second side of said pivot pin;a latch member on said first arm of said lever and said latch member adapted to fit through said first guide aperture and through a first of said pair of spaced apart rail apertures for said latch member in a first position for the condition of said rails in said first position thereof and said latch member adapted to fit through said guide aperture and through the second of said pair of rail apertures for said latch member in said first position for the condition of said rails in said second position thereof, and said latch member pivotally movable between said first position thereof and a second position wherein said latch member is free of said guide apertures and free of said rail apertures;a flexible cable having a first end connected to said second arm of said lever and a second end spaced from said first end and said second end having a handle thereon, said handle mounted on an outer surface of said first of said side members and in regions under a first of said flanges and adjacent said first end of said base plate;a spring stop mounted on said base plate in a spaced relationship to said first arm of said lever;a spring means between said spring stop and said second arm of said lever for yieldingly resisting movement of said first arm of said lever out of said first position thereof. 2. The arrangement defined in claim 1 wherein: each of said pair of guides comprises a generally “U” shaped guide member having an inner upright wall and an outer upright wall, and the base of said “U” shaped guide members fixedly connected to said base plate;said outer upright wall of a first of said pair of generally “U” guide members in regions adjacent to and extending substantially parallel to a first of said pair of side walls and said inner wall of said first of said pair of “U” shaped guide members spaced inwardly therefrom;each of said pair of rails comprises a generally box shaped rail member, and a first of said box shaped rail members slidingly movable in said first of said “U” shaped guide members and the second of said pair of box shaped rail members slidingly movable in the second of said “U” shaped guide members. 3. The arrangement defined in claim 2 wherein: said first of said pair of spaced apart rail apertures in said alignment with said guide aperture for said latch member in said first position thereof and said second of said pair of spaced apart rail apertures in said alignment with said guide aperture for said latch member in said second position thereof;said tread member has a manually graspable lip portion or allowing manual manipulation of said tread member between said retracted position thereof and said step position thereof for the condition of said latch member in said second position thereof. 4. The arrangement defined in claim 3 and further comprising: said outer wall of said first of said “U” shaped guide members having slot walls defining a retaining slot there through extending from regions adjacent said inner end thereof to regions spaced from said outer end thereof. 5. The arrangement defined in claim 4 and further comprising: an alignment pin extending through said first side wall and into said retaining slot. 6. The arrangement defined in claim 5 wherein: said base plate, said pair of side walls, said flange members and said spring stop are unitarily formed from sheet metal. 7. A retractable, pull-out step for a vehicle, comprising, in combination: a base plate;a tread mounted on said base plate and reciprocally movable thereon between a retracted position and a step position;a latching mechanism mounted on said base plate, said latching mechanism having: a lever pivotally mounted on said base plate and said lever having a latch member thereon having a first position for selectively restraining said tread in each of said retracted position and said step position thereof, and said latch member movable to a second position for selectively releasing said tread from said retracted position and said step position;wherein said lever further comprises a first arm and a second arm spaced from said first arm;a pivot mounting on said lever intermediate said first arm and said second arm; anda pivot pin mounted on said base plate and extending through said pivot mounting on said lever to allow pivotal movement of said lever thereon;a flexible cable having a first end operatively connected to said lever for selectively moving said latch member out of said first position to allow movement of said tread between said retracted position and said step position, and a second end, said second end spaced from said first end and said second end having a handle thereon;a spring means operatively connected to said lever for yieldingly resisting movement of said latch member out of said first position to said second position and urging said latch member into said first position, whereby pulling on said handle moves said cable to move said latch member from said first position thereof to said second position thereof. 8. The arrangement defined in claim 7 and further comprising: a spring stop mounted on said base plate and spaced from said second arm of said lever;a cable stop on said second arm of said lever, and said first end of said cable connected to said cable stop for movement therewith;said spring comprising a coil spring mounted around said cable between said spring stop and said cable stop to provide said yieldingly resisting movement of said latch member out of said first position to said second position and urging said latch member into said first position. 9. The arrangement defined in claim 8 and further comprising: a cable cover on said cable and said cable cover extending between said spring stop and said handle of said cable. 10. The arrangement defined in claim 9 and further comprising: a cable guide operatively connected to said base plate for restraining movement of said cable cover, whereby said cable cover is maintained in said position between said spring stop and said cable guide, and said cable moves in said cable cover. 11. The arrangement defined in claim 10 wherein: said cable cover further comprises: a first portion having a first end at said spring stop and a second end spaced from said cable guide;a second portion extending between said second end of said first portion of said cable and said cable guide, said second portion fixedly connected to said cable guide. 12. The arrangement defined in claim 11 and further comprising: said cable guide has an outer surface and an inner surface;said second portion of said cable cover fixedly connected to said inner surface of said cable guide and said handle abutting against, said outer surface of said cable guide for the condition of said latch member in said first position thereof. 13. The arrangement defined in claim 12 wherein: said handle is movable outwardly away from said cable guide to move said latch member from said first position thereof to said second position thereof. 14. The arrangement defined in claim 13 wherein: said second portion of said cable cover has a threaded section extending between said inner surface of said cable guide and said outer surface of said cable guide, and further comprising: a first stop threadingly engaging said threaded section and abutting against said inner surface of said cable guide; and,a second stop threadingly engaging said threaded portion and abutting against said outer surface of said cable guide for restraining said second portion against said cable guide. 15. The arrangement defined in claim 14 and further comprising: a manually graspable lip portion on said tread for moving said tread between said step position thereof and said retracted position thereof for the condition of said latch member in said second position thereof. 16. The arrangement defined in claim 15 wherein: said tread has an outer edge and an inner edge;said lip portion connected to said outer edge of said tread and extending downwardly therefrom; and further comprising:a toe stop connected to said inner edge of said tread and extending upwardly therefrom.
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