[특허]Wheeled walker

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Wheeled walker

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61G-005/08 A61G-005/00
미국특허분류(USC)	280/304.1; 280/647; 280/087.041; 297/DIG.4
출원번호	US-0613402 (2003-07-02)
발명자 / 주소	Serhan,Michael
출원인 / 주소	Medical Depot
대리인 / 주소	Wolff &
인용정보	피인용 횟수 : 42 인용 특허 : 39

초록
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A wheeled walker with wheels that are at least seven inches in diameter while having a seat with its top surface less than 20 inches high and accommodating a full size basket by using an inverted "u" shaped lower cross member with spacers that cushion the basket. Spacers carried on a rear upper cross member cushion the seat. The basket includes a pair of opposing vertical wires of substantially greater thickness than adjacent vertical metal wires and which extend upwardly into hooks that support the basket on a front upper cross member. A tubular seat back bears a tubular cushion having a radius of curvature such that the rearmost depth is about 3 to 8 inches, preferably 4 to 7 inches, most preferably 6쩍 inches, and the arc angle is about 110 to 120 degrees, preferably about 112 to 116 degrees, most preferably about 114 degrees. The tubular seat back is carried on tubular members received in respective opposing tubular receptors, each having an aperture receiving a latch locking the seat back to front legs of the wheeled walker that is spring loaded to jut from the aperture and which is connected by a lever to a release button jutting from another aperture.

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The invention claimed is: 1. In a wheeled walker having a pair of front legs carrying front wheels on their lower ends, a pair of back legs carrying back wheels on their lower ends, an upper front cross member connecting the front legs, a rear cross member connecting the rear legs, and a seat carried by the upper front and rear cross members with the top surface of the seat at a predetermined height, the improvement wherein said wheels are at least seven inches in diameter and the top surface of said rear seat is less than 20 inches high, in which said wheels are eight inches in diameter. 2. In a wheeled walker having a pair of front legs carrying front wheels on their lower ends, a pair of back legs carrying back wheels on their lower ends, an upper front cross member connecting the front legs, a rear cross member connecting the rear legs, and a seat carried by the upper front and rear cross members with the top surface of the seat at a predetermined height, the improvement wherein said wheels are at least seven inches in diameter and the top surface of said rear seat is less than 20 inches high and wherein said walker has a lower cross member connecting the front legs adjacent the lower ends of the front legs, the lower cross member having an inverted "u" shape whereby a full size wheeled walker basket may be supported on the lower cross member and including a basket supported on the lower cross member including at least one spacer carried on said lower cross member formed of material softer than the material of said lower cross member whereby to provide cushioning support for said basket. 3. In a wheeled walker having a pair of front legs carrying front wheels on their lower ends, a pair of back legs carrying back wheels on their lower ends, an upper front cross member connecting the front legs, a rear cross member connecting the rear legs, and a seat carried by the upper front and rear cross members with the top surface of the seat at a predetermined height, the improvement wherein said wheels are at least seven inches in diameter and the top surface of said rear seat is less than 20 inches high and wherein said walker has a lower cross member connecting the front legs adjacent the lower ends of the front legs, the lower cross member having an inverted "u" shape whereby a full size wheeled walker basket may be supported on the lower cross member and including a basket supported on the lower cross member in which the distance from the bottom of said basket to the upper cross member is at least eight inches. 4. In a wheeled walker having a pair of front legs carrying front wheels on their lower ends, a pair of back legs carrying back wheels on their lower ends, an upper front cross member connecting the front legs, a rear cross member connecting the rear legs, and a seat carried by the upper front and rear cross members with the top surface of the seat at a predetermined height, the improvement wherein said wheels are at least seven inches in diameter and the top surface of said rear seat is less than 20 inches high in which said wheels are eight inches in diameter and the top surface of said seat is between 18 and 18쩍 inches in which the distance from the bottom of said basket to the upper cross member is nine inches. 5. In a wheeled walker having a pair of front legs carrying front wheels on their lower ends, a pair of back legs carrying back wheels on their lower ends, an upper front cross member connecting the front legs, a rear cross member connecting the rear legs, and a seat carried by the upper front and rear cross members with the top surface of the seat at a predetermined height, the improvement wherein said wheels are at least seven inches in diameter and the top surface of said rear seat is less than 20 inches high including a basket formed from horizontal and vertical metal wires, a top horizontal metal wire defining the upper surface of said basket, a pair of opposing vertical wires extending upwardly from said upper surface and formed into hooks, the basket being supported via said hooks on the upper front cross member, said opposing vertical wires having substantially greater thickness than adjacent vertical metal wires forming said basket. 6. In a wheeled walker having a pair of front legs carrying front wheels on their lower ends, a pair of back legs carrying back wheels on their lower ends, an upper front cross member connecting the front legs, a rear cross member connecting the rear legs, and a seat carried by the upper front and rear cross members with the top surface of the seat at a predetermined height, the improvement wherein said wheels are at least seven inches in diameter and the top surface of said rear seat is less than 20 inches high in which said seat is pivotally connected to one of the cross members on which it is carried and can be lifted from the other cross member on which it is carried, the other cross member including at least one spacer carried thereon formed of material softer than the material of the lower cross member whereby to provide cushioning support for the seat when it is lowered onto the other cross member. 7. In a wheeled walker having a pair of front legs carrying front wheels on their lower ends, a pair of back legs carrying back wheels on their lower ends, an upper front cross member connecting the front legs, a rear cross member connecting the rear legs, and a seat carried by the upper front and rear cross members with the top surface of the seat at a predetermined height, the improvement wherein said wheels are at least seven inches in diameter and the top surface of said rear seat is less than 20 inches high in which said seat is pivotally connected to the upper front cross member and can be lifted from the rear cross member, the rear cross member including at least one spacer carried thereon of material softer than the material of the rear cross member whereby to provide cushioning support for the seat when it is lowered onto the rear cross member. 8. In a wheeled walker having a pair of front legs carrying front wheels on their lower ends, a pair of back legs carrying back wheels on their lower ends, an upper front cross member connecting the front legs, a rear cross member connecting the rear legs, and a seat carried by the upper front and rear cross members with the top surface of the seat at a predetermined height, the improvement wherein said wheels are at least seven inches in diameter and the top surface of said rear seat is less than 20 inches high including a tubular seat back bearing a tubular cushion member, said seat back and cushion member having a rearmost depth of about 3 to 8 inches and an arc angle of about 110 to 120 degrees. 9. The improvement of claim 8 in which said rearmost depth is about 4 to 7 inches, and the arc angle is about 112 to 116 degrees. 10. The improvement of claim 9 in which said rearmost depth is about 6쩍 inches and the arc angle is about 114 degrees. 11. A wheeled walker, comprising: a pair of front legs carrying front wheels on their lower ends; a pair of back legs carrying back wheels on their lower ends; an upper front cross member connecting the front legs; a rear cross member connecting the rear legs; a seat pivotally connected to the upper front cross member and carried by, but liftable from, the rear cross member; and at least one spacer carried on the rear cross member formed of material softer than the material of the rear cross member whereby to provide cushioning support for the seat when it is lowered onto the rear cross member. 12. A wheeled walker, comprising: a pair of front legs carrying front wheels on their lower ends; a pair of back legs carrying back wheels on their lower ends; an upper front cross member connecting the front legs; a rear cross member connecting the rear legs; a lower cross member connecting the front legs adjacent the lower ends of the front legs; a basket supported on the lower cross member; and at least one spacer carried on said lower cross member formed of material softer than the material of said lower cross member whereby to provide cushioning support for said basket. 13. A wheeled walker, comprising: a pair of front legs carrying front wheels on their lower ends; a pair of back legs carrying back-wheels on their lower ends; and a tubular seat back bearing a tubular cushion member, said seat back and cushion member having a rearmost depth of about 3 to 8 inches and an arc angle of about 110 to 120 degrees. 14. The improvement of claim 13 in which said rearmost depth is about 4 to 7 inches, and the arc angle is about 112 to 116 degrees. 15. The improvement of claim 14 in which said rearmost depth is about 6쩍 inches and the arc angle is about 114 degrees. 16. A wheeled walker, comprising: a pair of forwardly diverging front legs carrying eight inch diameter front swivel wheels on their lower ends; a pair of rearwardly diverging back legs carrying eight inch diameter back wheels on their lower ends; an upper front cross member connecting the front legs; a rear cross member connecting the rear legs; a seat pivotally connected to the upper front cross member and carried by, but liftable from, the rear cross member; at least one spacer carried on the rear cross member formed of material softer than the material of the rear cross member whereby to provide cushioning support for the seat when it is lowered onto the rear cross member, the top surface of the seat being between 18 and 18쩍 inches high; a lower cross member connecting the front legs adjacent the lower ends of the front legs, the lower cross member having an inverted "u" shape; a basket supported on the lower cross member formed from horizontal and vertical metal wires, a top horizontal metal wire defining the upper surface of said basket, a pair of opposing vertical wires extending upwardly from said upper surface and formed into hooks the basket being supported via said hooks on the upper front cross member, said opposing vertical wires having substantially greater thickness than adjacent vertical metal wires forming said basket; at least one spacer carried on said lower cross member formed of material softer than the material of said lower cross member whereby to provide cushioning support for said basket, the distance from the bottom of said basket to the upper cross member being at least eight inches; and a tubular seat back bearing a tubular cushion member, said seat back and cushion member having a rearmost depth of about 6쩍 inches and an arc angle of about 114 degrees, said tubular seat back being formed with a pair of opposing downwardly directed tubular members, the front legs formed with respective opposing tubular receptors for receiving the ends of said opposing members whereby to support said seat back, each of said opposing members having a first aperture adjacent its end and a lock and release member having a latch spring loaded to jut from the first aperture, said opposing receptors having receiving apertures to receive respective jutting latch to lock the seat back to the front legs, each of said downwardly directed tubular members being formed with a second aperture spaced upwardly from said first aperture, said lock and release member being formed with a lever connected to said latch at one end and protruding from said second aperture at its other end, and a button connected to said protruding lever end whereby depressing said button releases the latch from its respective receptor.

이 특허에 인용된 특허 (39)

이 특허를 인용한 특허 피인용횟수: 42

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Wheeled walker

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Wheeled walker

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이 특허에 인용된 특허 (39)

이 특허를 인용한 특허 피인용횟수: 42

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