IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0359590
(2006-02-23)
|
등록번호 |
US-7404524
(2008-07-29)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
5 |
초록
▼
A traction aid for providing traction to a wheel of a vehicle relative a ground surface has two sections, composed of side members and traction members, connected by a connecting mechanism enabling pivotal unfolding and folding of sections between folded and unfolded configurations for device. In un
A traction aid for providing traction to a wheel of a vehicle relative a ground surface has two sections, composed of side members and traction members, connected by a connecting mechanism enabling pivotal unfolding and folding of sections between folded and unfolded configurations for device. In unfolded configuration, sections are longitudinally opposed end-to-end to allow wheel to pass over both sections when device is deployed on ground surface. In folded configuration, sections are folded together and extend substantially parallel one another. Each section has a plurality of gripping members attached to side members and extending therefrom. Each gripping member is configured such that, when device is deployed in unfolded configuration on ground surface, gripping member extends theretowards for grippingly protruding thereinto, gripping member otherwise, for folded configuration, extending towards an adjacent side member of another section, the adjacent side member extending therebeyond to impede gripping member from engaging foreign objects.
대표청구항
▼
I claim: 1. A traction aid device for a wheel of a vehicle, said device comprising: two generally planar sections, each section having two respective side members with at least one respective traction member extending therebetween and engageable by a wheel to provide traction thereto relative a gro
I claim: 1. A traction aid device for a wheel of a vehicle, said device comprising: two generally planar sections, each section having two respective side members with at least one respective traction member extending therebetween and engageable by a wheel to provide traction thereto relative a ground surface; connecting means pivotally connecting said sections to one other and enabling pivotal folding and unfolding thereof between, respectively, an unfolded configuration of said traction aid device, wherein said sections are unfolded end-to-end opposite one another on said surface, and a folded configuration of said traction aid device, wherein said sections are folded together; for each respective side member of each section, at least one respective gripping member attached thereto and having a respective gripping end, said gripping member extending from said respective side member to said gripping end for grippingly protruding into said ground surface in said unfolded configuration, said respective gripping end being situated, when said traction aid device is in said folded configuration, alongside an adjacent said respective side member, of the other section with the adjacent said respective side member of the other section extending beyond said gripping end; and for each respective gripping member of one said section, a respective gripping member abutment protrusion, attached to said respective gripping member intermediate said respective side member and said gripping end, for abutting said adjacent said side member when said traction aid device is in said folded configuration. 2. The traction aid device of claim 1, wherein said sections extend substantially planarly parallel one another in said folded configuration. 3. The traction aid device of claim 1, wherein each respective traction member is attached to said respective side members by soldering thereto. 4. The traction aid device of claim 1, wherein, for each side member, each respective gripping member and each respective traction member are attached thereto spaced apart one another at different spaced apart longitudinal positions therealong. 5. The traction aid device of claim 1, wherein each respective gripping member is securely attached to said respective side member by soldering thereto. 6. The traction aid device of claim 1, wherein said traction member extends in a curved arc between said respective side members. 7. The traction aid device of claim 1, wherein said respective traction member is disposed substantially perpendicular to said respective side members from which said respective traction member extends. 8. The traction aid device of claim 1, wherein each side member has opposing respective inside and outside surfaces extending between generally longitudinally opposed respective first and second side member ends thereof, said traction members extending between said respective inside surfaces and being attached thereto. 9. The traction aid device of claim 8, wherein said sections are connected to each other by said connecting means at said respective first side member ends of said respective side members. 10. The traction aid device of claim 8, wherein at least a portion of each said respective inside and said outside surface of said respective side members of at least one of said section extend substantially perpendicular to said ground surface when said traction aid device is placed thereupon in said unfolded configuration. 11. The traction aid device of claim 8, wherein at least a portion of said respective traction member is disposed substantially perpendicular relative said respective inside surfaces and extends upwardly away therebetween from said ground surface when said traction aid device is placed thereupon in said unfolded configuration. 12. The traction aid device of claim 8, wherein one said section comprises a tapered end portion in which said second respective second side member ends of said respective side members are tapered towards one each other. 13. The traction aid device of claim 12, wherein, for each said respective side member of said tapered end portion, at least one said respective first and second side member surface is disposed parallel to said ground surface throughout said tapered end portion when said sections are in said unfolded configuration. 14. The traction aid device of claim 13, wherein said tapered end portion comprises at least one tapered traction member, said tapered traction member being attached to said respective side members and extending therebetween, at least a portion of said tapered traction member extending upwardly away relative said ground surface when said traction aid device is placed in said unfolded configuration thereupon. 15. The traction aid device of claim 13, wherein said tapered end portion comprises two tapered portion flanges for placement in proximity to said wheel prior to passage of said wheel over said traction aid device for providing traction thereto when said wheel initially engages said traction aid device, said tapered flanges extending upwardly away relative said ground surface when said traction aid device is placed thereupon in said unfolded configuration. 16. The traction aid device of claim 8, wherein said connecting means comprises two bolts, each respective side member of one said section and an adjacently situated said respective side member of another said section being pivotally connected to one another by a respective said bolt extending through said respective first side member ends thereof. 17. The traction aid device of claim 8, further comprising a stopper means for stopping further pivotal unfolding of said sections away from said folded configuration when said sections are in said unfolded configuration. 18. A traction aid device for a wheel of a vehicle, said device comprising: two generally planar sections, each section having two respective side members with at least one respective traction member extending therebetween and engageable by a wheel to provide traction thereto relative a ground surface; connecting means pivotally connecting said sections to one other and enabling pivotal folding and unfolding thereof between, respectively, an unfolded configuration of said traction aid device, wherein said sections are unfolded end-to-end opposite one another on said surface, and a folded configuration of said traction aid device, wherein said sections are folded together; for each respective side member of each section, at least one respective gripping member attached thereto and having a respective gripping end, said gripping member extending from said respective side member to said gripping end for grippingly protruding into said ground surface in said unfolded configuration, said respective gripping end being situated, when said traction aid device is in said folded configuration, alongside an adjacent said respective side member, of the other section with the adjacent said respective side member of the other section extending beyond said gripping end, wherein each side member has opposing respective inside and outside surfaces extending between generally longitudinally opposed respective first and second side member ends thereof, said traction members extending between said respective inside surfaces and being attached thereto, and said respective gripping members are attached to said inside surface for one said section and to said outside surface for another said section. 19. A traction aid device for a wheel of a vehicle, said device comprising: two generally planar sections, each section having two respective side members with at least one respective traction member extending therebetween and engageable by a wheel to provide traction thereto relative a ground surface, each side member having opposing respective inside and outside surfaces extending between generally longitudinally opposed respective first and second side member ends thereof, each said respective traction member extending between said respective inside surfaces and being attached thereto; connecting means pivotally connecting said sections to one other and enabling pivotal folding and unfolding thereof between, respectively, an unfolded configuration of said traction aid device, wherein said sections are unfolded end-to-end opposite one another on said surface, and a folded configuration of said traction aid device, wherein said sections are folded together; for each respective side member of each section, at least one respective gripping member attached thereto and having a respective gripping end, said gripping member extending from said respective side member to said gripping end for grippingly protruding into said ground surface in said unfolded configuration, said respective gripping end being situated, when said traction aid device is in said folded configuration, alongside an adjacent said respective side member, of the other section with the adjacent said respective side member of the other section extending beyond said gripping end; and at least one stopper protrusion protruding outwardly from said respective outside surface of one said respective first side member end of one said respective side member, said stopper protrusion abutting said respective first end of an adjacent said respective side member of another said section when said sections are in said unfolded configuration for preventing, when said traction aid device is in said unfolded configuration, further pivotal unfolding of said sections beyond said unfolded configuration.
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