[특허]Armrest rolling walker with removable utility tray

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Armrest rolling walker with removable utility tray

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62M-001/00
미국특허분류(USC)	280/087.021; 280/087.05
출원번호	UP-0701764 (2007-02-02)
등록번호	US-7547027 (2009-07-01)
발명자 / 주소	Bohn, David
대리인 / 주소	Reed, Robert R.
인용정보	피인용 횟수 : 3 인용 특허 : 29

초록
▼

The present invention provides a rolling walker with a pair of armrest platforms and vertical handles in combination with a removable utility tray. The armrest platforms provide added or alternate support for a patient not provided by a conventional four wheeled rolling walker. A utility tray assembly provides a tray top and a drawer for patient care services. The armrest platforms are supported at a vertical distance above the ground surface by a pair of armrest frames. The armrest frames are carried by the main frame of the conventional walker. The armrest frames each includes a main armrest frame member, a diagonal member and an armrest support member to carry the armrest platform and vertical handles with hand brakes. The armrest platforms can be adjusted in both horizontally and vertically with respect to the main frame of the conventional walker for better distribution of the user's weight. The utility tray assembly rests on the armrest platforms when needed.

대표
청구항
▼

What is claimed is: 1. A combination rolling walker and patient care system comprising: a conventional walker base having two front and two rear legs each having a wheel at a bottom end and a seat assembly; an armrest assembly attached to said base including a pair of armrest frames each supporting an armrest platform to provide a height adjustment when supporting the patient while walking; a pair of control assemblies each attached to a respective armrest frame including a vertical handle and a hand brake assembly so the patient can control the movement of the walker; a removable utility tray assembly supported on each lateral side by a respective armrest platform for providing patient care services for the patient; said pair of armrest frames each include a main frame member, adjustably carried by a respective front leg of said walker base, a brace member and an armrest support member, wherein said armrest support member is affixed to the top of said main frame member and said brace member; and each one of said armrest support members includes a plurality of arm attachment apertures and handle attachment apertures to adjustably affix a respective armrest platform and a respective vertical handle to said armrest platform, wherein each said respective vertical handle is independently adjustable with respect to said respective armrest platform in the horizontal direction to both allow the patient to better adjust the amount and distribution of the patient's weight supported by said respective armrest platform and to allow the patient to grip said respective vertical handle to better steer the walker. 2. The walker and patient care system of claim 1 wherein said utility tray assembly includes: a tray top with a pair of side rails and a rear rail affixed to a top surface of said tray top; a drawer assembly affixed to a bottom side of said tray top. 3. The walker and patient care system of claim 2, further including a pair of retainer pins extending from said bottom surface of said table top to engage pin apertures in said table top to help position and hold said utility tray assembly on said armrest platforms. 4. The walker and patient care system of claim 1, wherein said each hand brake assembly of said pair of hand control assemblies includes: a brake cable running from a brake handle to a wheel brake adjacent said wheel of said front leg; and a ratchet device to allow the brakes to be engaged and maintained without the patient continually gripping the brake handle. 5. The walker and patient care system of claim 4, wherein said height adjustment fastener is a spring loaded button extending from one of said plurality of frame apertures to engage one of said plurality of leg apertures and hold the armrest platforms at a desirable height which is easily adjusted. 6. The walker and patient care system of claim 1, including an armrest frame support and height adjustment assembly comprising: a plurality of spaced apart frame apertures of each said main armrest frame member; a plurality of spaced apart leg apertures at a top end of each said front leg; and at least one height adjustment fastener extending through one of said frame apertures and one of said leg apertures to adjustably establish a vertical height of said armrest platforms and said utility tray. 7. A combination rolling walker and patient care system comprising: a conventional walker base having two front and two rear legs each having a wheel at a bottom end and a seat assembly; an armrest assembly attached to said base including a pair of armrest frames each supporting an armrest platform to provide a height adjustment when supporting the patient while walking; a pair of control assemblies each attached to a respective armrest frame including a vertical handle and a hand brake assembly so the patient can control the movement of the walker; a removable utility tray assembly supported on each lateral side by a respective armrest platform for providing patient care services for the patient; said utility tray assembly includes a tray top with a pair of side rails, a rear rail affixed to a top surface of said tray top and a drawer assembly affixed to a bottom side of said tray top; and said drawer assembly includes a pair of drawer guides each affixed to a bottom surface of said tray top and having a guide protrusion, a pair of drawer sides made integral with a drawer front, a drawer back, a drawer bottom and a pull, wherein said drawer sides have a notch to engage said guide protrusions of said drawer guides, so that said drawer assembly is slideably carried below said tray top. 8. An improvement in a conventional rolling walker having four wheels, a main frame, a pair of hand brake assemblies for braking two of the four wheels, a back rest member and a seat for a patient to sit and rest when not walking, said improvement comprising: a pair of armrest frames each having a main armrest frame member, an armrest support member and a diagonal member, wherein said frames are each adjustably supported by a rear leg of the main frame of the conventional walker; an armrest platform adjustably attached to each armrest support member at a horizontal location to help support the patient's weight with respect to the center of contact of the four wheels; a pair of essentially vertically disposed handles each affixed to a respective armrest support member adjustably supported independent of said armrest platform to allow the patient to better steer said platform walker; and a removable utility tray assembly supported on each lateral side by a respective armrest platform for providing patient care services for the patient. 9. The improvement in a conventional walker of claim 8 including a armrest frame support and height adjustment assembly comprising: a plurality of spaced apart frame apertures of each said main armrest frame member; a plurality of spaced apart leg apertures at a top end of each said front leg; and a height adjustment fastener extending through one of said frame apertures and one of said leg apertures to adjustably establish a vertical height of said armrest platforms and said utility tray. 10. The improvement in a conventional walker of claim 9, wherein said height adjustment fastener is a spring loaded button extending from one of said plurality of frame apertures to engage one of said plurality of leg apertures and hold the armrest platforms at a desirable height. 11. The improvement in a conventional walker of claim 9, wherein each said armrest support member has a plurality of spaced apart support apertures and each one of said pair of armrest platforms has a plurality of armrest fasteners to affix said armrest platform to a respective armrest support member, so that said armrest platforms are horizontally adjusted. 12. The improvement in a conventional walker of claim 11 wherein each one of said vertical handles has threads at a lower end to engage one of a plurality of threaded apertures of said support apertures of said armrest support member to be horizontally adjusted independent of the horizontal location of said armrest platforms. 13. The improvement in a conventional walker of claim 8 wherein said utility tray assembly includes: a tray top with a pair of side rails and a rear rail affixed to a top surface of said tray top; a drawer assembly affixed to a bottom side of said tray top; and a pair of retainer pins to help position and hold said utility tray assembly on said armrest platforms. 14. The improvement in a conventional walker of claim 13, wherein said drawer assembly includes: a pair of drawer guides each affixed to a bottom surface of said tray top and having a guide protrusion; a pair of drawer sides, a drawer front, a drawer back and a drawer bottom, wherein said drawer sides are slideably carried by said guide protrusions of said drawer guides. 15. The improvement in a conventional walker of claim 8, wherein said utility tray assembly includes: a tray top with a top surface and a bottom surface and supported on said armrest platforms; a drawer assembly affixed to a bottom side of said tray top; and a retaining bar on each lateral side to position said tray top on said armrest platforms. 16. The improvement in a conventional walker of claim 15, wherein said drawer assembly includes: a drawer frame having a top affixed to said bottom surface of said tray top and including two lateral sides and a bottom; a patient care drawer slideably carried by said drawer frame. 17. A system for providing ambulatory assistance and patient care , said system comprising: a rolling walker having a main frame including main frame front legs and main frame rear legs supported on four wheels so that said main frame can be folded for storage and transporting from place to place; a seat with a padded back rest for providing basic support for the patient during periods of rest; a pair of armrest frames each having a main armrest frame member with a plurality of frame apertures near a lower end; an armrest support member affixed at an upper end of said each main armrest frame member; a pair of height adjustment assemblies of the main frame to adjustably receive and support a respective armrest frame so that said armrest support members are essentially horizontally disposed at a vertical location above a ground surface; an armrest platform adjustably attached and solidly connected by armrest attachments to each armrest support member at a horizontal location to best support the patient's weight; a pair of vertically disposed handles each affixed to a respective armrest support member to be independently adjustable both vertically and horizontally with respect to a respective armrest platform, wherein said armrest platforms and said handles provide improved ambulatory assistance to the patient; a hand brake associated with each vertical handle operated by the patient to stop two of said four wheels from rotating; and a removable utility tray assembly supported on each lateral side by a respective armrest platform for providing patient care services for the patient.

이 특허에 인용된 특허 (29)

이 특허를 인용한 특허 피인용횟수: 3

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특허 상세정보

Armrest rolling walker with removable utility tray

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Armrest rolling walker with removable utility tray

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이 특허에 인용된 특허 (29)

이 특허를 인용한 특허 피인용횟수: 3

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IPC 상세정보(version : 201201)

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