[특허]Wheeled support cane

Salomon, Gregg

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특허 상세정보

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Wheeled support cane

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A45B-001/02 A61H-003/04 A61H-003/02 A45B-009/00
미국특허분류(USC)	135/066; 135/067; 135/085; 280/087.021
출원번호	US-0834442 (2013-03-15)
등록번호	US-9016297 (2015-04-28)
발명자 / 주소	Salomon, Gregg
출원인 / 주소	Salomon, Gregg
대리인 / 주소	Hankin, Marc E.
인용정보	피인용 횟수 : 6 인용 특허 : 28

초록

The present invention is a quad-wheeled and quad-legged cane. The cane typically includes one or more wheels, one or more rigid supporting structures, and one or more handles. The wheels of the cane are preferably retractable. The rigid support structures preferably overhang the wheels and generally provides fail-safe braking. The handles may be adjustable.

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1. A cane comprising: at least one substantially vertical member;at least one handle;a base;four wheels; andfour rigid support structures;wherein said base is comprised of four wheel bases;wherein said at least one handle is attached to a top end of said at least one substantially vertical member;wherein a lower end of said at least one vertical member is attached to a top surface of said base;wherein each of said four wheels is attached to one of said four wheel bases;wherein each of said four rigid support structures is attached to said base distally to each of said four wheels;wherein said four wheels extend from a bottom surface of said base and wherein said four wheels extend further away from said base than said four rigid support structures, such that said cane rolls along a ground surface being traversed by a user without said four rigid support structures contacting said ground surface;wherein said four rigid support structures are fail-safe brakes;wherein each of said at least one four wheels is retractably connected to one of said four wheel bases, such that when a force is applied downwards on said at least one substantially vertical member, said four wheels retract into said four wheel bases such that said four rigid support structures contact said ground surface;wherein said base is substantially rectangular and has four corners;wherein said four wheel bases are positioned substantially at said four corners of said base; andwherein said four rigid supporting structures are positioned substantially at said four corners of said base and extend distally beyond said four wheels such that when said cane is tilted away from said substantially vertical position in any direction one or more of said four rigid supporting structures will come into contact with said ground surface. 2. The cane of claim 1, wherein each of said four rigid support structures is comprised of a flexible base and a substantially flat bottom, such that said four rigid support structures provide substantial braking and stability when one or more of said four wheels are retracted. 3. The cane of claim 2, wherein said at least one substantially vertical member is comprised of two vertical shafts, wherein a height of each of said two vertical shafts is independently adjustable. 4. The cane of claim 3, wherein said at least one handle is slideably attached to said two vertical shafts such that said at least one handle may shift from a substantially level position to one or more tilted positions. 5. The cane of claim 4, wherein said two vertical shafts are removeably attached to said top surface of said base. 6. The cane of claim 5, wherein said one or more of said four wheel bases are comprised of one or more adjustment devices; wherein said one or more adjustment devices allow said user to adjust said downward force needed to retract one or more of said four wheels into said four wheel bases. 7. The cane of claim 6, wherein two of said four wheels are fixed axle wheels and wherein two of said four wheels are swivel wheels. 8. The cane of claim 7, wherein each of said four wheel bases is further comprised of a compression spring; wherein said compression spring allows each of said four wheels to retract into one of said four wheel bases. 9. A cane comprising: two substantially vertical shafts;at least one handle;a base;four wheels; andfour rigid supporting structures;wherein said base has four corners and is comprised of four wheel bases;wherein said four wheel bases are positioned substantially at said four corners of said base;wherein said at least one handle is attached to a top end of each of said two substantially vertical shafts;wherein a lower end of each of said two substantially vertical shafts are removeably attached to a top surface of said base;wherein each of said four wheels is attached to one of said four wheel bases;wherein said four rigid supporting structures are positioned substantially at said four corners of said base and extend distally beyond said four wheels;wherein said four wheels extend from a bottom surface of said base and wherein said four wheels extend further away from said base than said four rigid supporting structures such that said cane rolls along a ground surface being traversed by a user without said at least one four rigid supporting structures contacting said ground surface, and such that when said cane is tilted away from a substantially vertical position in any direction one or more of said four rigid supporting structures will come into contact with said ground surface;wherein each of said four wheels is retractably connected to one of said four wheel bases, such that when a force is applied downwards on said vertical shafts, one or more of said four wheels retract into one or more of said four wheel bases, such that one or more of said four rigid support structures contact said ground surface;wherein said four rigid supporting structures are a fail-safe brake; andwherein a height of each of said two vertical shafts is independently adjustable. 10. The cane of claim 9, wherein said at least one handle is slideably attached to said two vertical shafts such that said at least one handle may shift from a substantially level position to one or more tilted positions. 11. The cane of claim 10, wherein one or more of said four wheel bases are comprised of one or more adjustment devices; wherein said one or more adjustment devices allow said user to adjust said downward force needed to retract one or more of said four wheels into one or more of said four wheel bases. 12. The cane of claim 11, wherein each of said four rigid support structures is comprised of a flexible base and a substantially flat bottom, such that said four rigid support structures provide substantial braking and stability when one or more of said four wheels are retracted. 13. The cane of claim 12, wherein each of said four wheel bases is further comprised of a compression spring; wherein said compression spring allows each of said four wheels to retract within one of said four wheel bases. 14. The cane of claim 13, wherein two of said four wheels are fixed axle wheels and wherein two of said four wheels are swivel wheels.

이 특허에 인용된 특허 (28)

이 특허를 인용한 특허 피인용횟수: 6

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특허 상세정보

Wheeled support cane

초록

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이 특허에 인용된 특허 (28)

이 특허를 인용한 특허 피인용횟수: 6

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특허 상세정보

Wheeled support cane

초록

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이 특허에 인용된 특허 (28)

이 특허를 인용한 특허 피인용횟수: 6

IPC 상위 출원인

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상세정보조회

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IPC 상세정보(version : 201201)

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