IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0725184
(1991-07-03)
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발명자
/ 주소 |
- Jacobson, II, Julius H.
- Kapec, Jeffrey
- Tanaka, Kazuna
- Montague, Samuel
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
52 인용 특허 :
11 |
초록
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A device for supporting a person while standing or walking or sitting having a frame and a seat assembly. The frame supports the person while walking or standing while the seat assembly allows him to sit. The seat assembly is slidably attached to the frame between a raised position and a lowered pos
A device for supporting a person while standing or walking or sitting having a frame and a seat assembly. The frame supports the person while walking or standing while the seat assembly allows him to sit. The seat assembly is slidably attached to the frame between a raised position and a lowered position. The seat assembly is spring biased towards the raised position. The seat assembly moves from the raised position to the lowered position when the person sits down. The action of the spring biasing assists the person up as the person stands from the seat assembly. The seat assembly includes a main seat portion and a pivotal seat portion. The pivotal seat portion is collapsible from a supportive position where both seat portions provide support to the person and a stowed position where at least the collapsible portion of the seat is tucked away from the person while the person is walking. The pivotal seat portion moves automatically between the two positions in response to the weight of the person exerted on the main seat portion.
대표청구항
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1. A device for supporting a person while standing, sitting, or walking along a floor surface, said device comprising: a frame assembly, defining a walking zone in which said person may walk or stand; a bottom seat assembly attached to said frame assembly, said seat assembly including a first se
1. A device for supporting a person while standing, sitting, or walking along a floor surface, said device comprising: a frame assembly, defining a walking zone in which said person may walk or stand; a bottom seat assembly attached to said frame assembly, said seat assembly including a first seat portion, and a second seat portion hingedly connected to said first seat portion, said bottom seat assembly being vertically movable with respect to said frame assembly between a stowed position wherein said bottom seat assembly is retracted relative to said walking zone and an operational position located substantially adjacent to said walking zone; means for maintaining said first seat portion of said bottom seat assembly substantially horizontal with respect to said floor at all times regardless of the vertical position of said bottom seat assembly with respect to said frame assembly; and means for moving said seat assembly between said stowed and operational positions, said moving means being responsive to a downward force; whereby said downward force may be provided by a person sitting on said bottom seat assembly. 2. The device according to claim 1, wherein said bottom seat assembly is spring biased towards said stowed position. 3. The device according to claim 1, further comprising wheels attached to said frame assembly for allowing said frame assembly to be easily moved along said floor surface. 4. The device according to claim 3, further comprising means for frictionally engaging said frame assembly with said floor surface, thereby preventing said frame assembly from moving with respect to said floor surface. 5. The device according to claim 4, wherein said wheels are slidably mounted to said frame assembly so that said frame assembly is moveable vertically between an upper position and a lower position with respect to said floor, said frame assembly being spring-biased to said upper position, said frictionally engaging means engaging said floor surface when said frame assembly is pushed downwardly towards said lower position sufficiently to overcome the upwardly directed force of said spring-bias. 6. The device according to claim 5, wherein said frictionally engaging means frictionally engages said floor surface when said frame assembly is pushed downwardly towards said lower position with a force sufficient to overcome the upwardly directed force of said spring bias. 7. A device for supporting a person while standing or sitting, or walking on a floor, said device comprising: a frame assembly, defining a walking zone in which said person may walk or stand; a bottom seat assembly attached to said frame assembly, said bottom seat assembly including a first seat portion, and a second seat portion hingedly connected to said first seat portion, said bottom seat assembly being movable with respect to said frame assembly between a raised stowed position retracted from said walking zone and an operational position located substantially adjacent to said walking zone; means for maintaining said first seat portion of said bottom seat assembly generally horizontal with respect to said floor regardless of the position of said seat assembly with respect to said frame assembly; and means for biasing said movable seat assembly toward said raised stowed position, said seat assembly being movable from said raised stowed position to said lowered operational position by application of a downward force, said biasing means being able to forcibly move said bottom seat assembly towards said raised stowed position when a downward force is absent. 8. The device according to claim 7, wherein said biasing means includes a pneumatic cartridge actuator. 9. The device according to claim 7, wherein said frame assembly is generally U-shaped and having an open side, said frame assembly includes a walking zone where said person stands to operate said device, said open side providing access to said walking zone for said person. 10. The device according to claim 9, wherein said bottom seat assembly is hingably attached to said frame assembly across said open side, said bottom seat assembly being swingable between an open position wherein said open side provides access to said walking zone and a closed position wherein said open side is closed and no access is provided. 11. The device according to claim 10, further comprising means to latch said bottom seat assembly in said closed position, said latch means being releasable by movement of an accessible lever. 12. The device according to claim 11, further comprising means to lock said bottom seat assembly in said closed position, said lock means preventing unintentional movement of said bottom seat assembly from said closed position. 13. An automatically collapsible bottom seat assembly for use with a walking aid device f the type having a frame assembly, wherein said frame assembly defines a walking zone, said bottom seat assembly collapsing when not needed to provide ample room within said walking zone for a person using said walking aid device, said seat assembly comprising: a first seat portion adapted to be attached to said frame assembly, said bottom seat assembly being movable with respect to said frame assembly between a stowed position and an operational position; means for maintaining said first seat portion of said bottom seat assembly substantially horizontal regardless of the position of said bottom seat assembly with respect to said frame assembly; a second seat portion pivotally attached to said first seat portion between a collapsed position wherein said second seat portion is retracted from said walking zone of said frame assembly and a supportive position wherein said second seat portion lies adjacent to and substantially coplanar with said first seat portion, whereby said second seat portion in said supportive position may provide support to a person using said seat assembly; and means for automatically moving said second seat portion between said collapsed position and said supportive position, said moving means being responsive to said movement of said first seat portion between said stowed and operational positions. 14. The bottom seat assembly according to claim 13, wherein said means for automatically moving moves said second seat portion from said collapsed position to said supportive position when said first portion moves from said stowed position to said operational position. 15. The bottom seat assembly according to claim 14, further comprising means for biasing said first seat portion toward said stowed position. 16. The seat assembly according to claim 13, further comprising means for biasing said second seat portion to said collapsed position. 17. The device according to claim 1, wherein said moving means includes a guide assembly attached to said frame assembly, said guide assembly receiving a portion of said seat assembly so that as said seat assembly moves, said guide assembly guides said seat assembly between said stowed position and said operational position.
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