IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0930556
(2011-01-10)
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등록번호 |
US-8764031
(2014-07-01)
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발명자
/ 주소 |
- Finstad, III, Clemance Bernard
- Larson, Merle Arvid
- Piontek, Michael
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
3 인용 특허 :
10 |
초록
▼
A cabinet having a deep shelf with limited access is described and includes at least two opposite sides carrying track means to permit easy adjustment of the shelf between two or more levels by a single person maneuvering only the one accessible end of the shelf. The cabinet can be mounted on wheels
A cabinet having a deep shelf with limited access is described and includes at least two opposite sides carrying track means to permit easy adjustment of the shelf between two or more levels by a single person maneuvering only the one accessible end of the shelf. The cabinet can be mounted on wheels to form a cart. One or more such adjustable shelves can be provided. The shelves may be positioned just above the bottom of the cart to provide a maximum depth cart for use, in intermediate positions for use with smaller objects and/or at the very top and/or side of the cart and locked in position to provide a secured interior for the cabinet.
대표청구항
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1. A method for adjusting a shelf in a cabinet, having access to the shelf at only one end thereof, said cabinet having track means for guiding a far other end of said shelf from one level to another level, comprising the steps of: providing track means in the form of flat plates;forming at least on
1. A method for adjusting a shelf in a cabinet, having access to the shelf at only one end thereof, said cabinet having track means for guiding a far other end of said shelf from one level to another level, comprising the steps of: providing track means in the form of flat plates;forming at least one slot into each of said flat plates to form a said track,providing said flat plates on opposite sides of said cabinet,securing said flat plates to said opposite sides of said cabinet;providing means on said shelf extending into each of said flat plates and extending into said slot on each flat plate;guiding and supporting the far other end of said shelf with said means on said shelf resting in said slots in said flat plates;freeing the adjacent one end of the shelf,maneuvering the one end of the shelf from the one level to another level, while causing moving of the far other end of said shelf on said track means in said slots in said flat plates to said another level. 2. The method of claim 1, further including the step of: fixing the adjacent one end of the shelf into desired position after moving the far other end of said shelf to said another level. 3. The method of claim 2, wherein said cabinet has wheels, a door or gate, and a fulcrum, comprising the steps of: opening the door or gate to obtain access to the one end of said shelf;pivoting said shelf on a said fulcrum on the cabinet,maneuvering the shelf from one level to another,securing the adjacent one end of the shelf in a different position,after maneuvering, closing said door or gate, andmoving the cart on said wheels from one position to another position. 4. The method of claim 2, further including the step of: securing the adjacent one end of the shelf in said another level. 5. The method of claim 4, comprising the steps: of mounting said cabinet on wheels to form a cart, andmoving the cart on said wheels. 6. The method of claim 1, further including the step of: securing the adjacent one end of the shelf in said another level. 7. The method of claim 1, further comprising the steps of: providing said cabinet with two shelves and track means for guiding the other end of each of the two shelves from their present levels to two other levels,freeing the adjacent end of one of said shelves,maneuvering the one end of the shelf from one level to another level, while causing moving of the far other end of said shelf to another level,freeing the adjacent end of the other of said shelves, andmaneuvering the one end of the other shelf from its present level to another level different from the level of the one shelf, while causing moving of the far other end of said other shelf to another level different from the level of the one shelf. 8. The method of claim 7, comprising the steps of: providing said cabinet with a door or gate, andopening the door or gate to obtain access to the one ends of said one shelf and said other shelf. 9. The method of claim 7, comprising the steps of: providing shelf fulcrum for said cabinet shelf,pivoting on one fulcrum the one shelf from one level to another level, andpivoting on another fulcrum the other shelf from its present level to another level different from the level the one shelf is on. 10. The method of claim 9, comprising the steps of: providing said cabinet with a door or gate,opening the door or gate,accessing the one end of the one shelf and of the other shelf, andafter maneuvering one or more of the one or another shelves,closing the door or gate. 11. The method of claim 10, comprising the steps of: mounting said cabinet on wheels to form a cart, andmoving the cart on said wheels. 12. The method of claim 7, comprising the steps of: mounting said cabinet on wheels to form a cart, andmoving the cart on said wheels. 13. The method of claim 7, further comprising the steps of: providing track means having at least three levels and one less shelf than levels,slotting said flat plate to provide inclined portions of said slots at all of said levels,providing said cabinet with a door or gate,opening the door or gate,accessing the far end of one of the shelves,providing two shelf fulcrums for each level for moving the shelves,pivoting one of the shelves on two of the fulcrums from one level to different level,after maneuvering one or more of the shelves to the different levels,closing the door or gate,mounting said cabinet on wheels to form a cart,moving the cart on said wheels,providing track means to locate one of the shelves just above the bottom of the cabinet,moving one of the shelves to adjacent the bottom of the cabinet to provide a maximum depth of the cabinet for use,providing track means to locate one of shelves at the top of the cabinet,moving one of the shelves on said track means to the top of said cabinet to close the top of the cabinet,locking the shelf at the top to close the top,moving said far side of one of the shelves over one of the inclined portion of the slots to change levels,providing round ends of said far ends of the shelves smaller in diameter than the width of said slots,forming said round ends with shafts extending out from said far ends of the shelves,engaging said round ends on the shelves in said slots,providing rollers or bearings on the shafts and engaging the rollers or bearings in said slots,turning the rollers or bearings on the shafts when moving said far end of the shelves in the slots, andenclosing said far ends of the shelves in said slots. 14. The method of claim 1, comprising the steps of: providing said cabinet with a door or gate, andopening the gate to obtain access to the one end of said shelf. 15. The method of claim 1, comprising the steps of: providing a shelf fulcrum in said cabinet, andpivoting the shelf on a fulcrum on the cabinet from one level to another. 16. The method of claim 15, the steps of: providing said cabinet with a door or gate,opening the door or gate,accessing the one end of the shelf,maneuvering said shelf from one level to another level, andafter maneuvering, closing said door or gate. 17. The method of claim 1, comprising the steps of: mounting said cabinet on wheels to form a cart, andmoving the cart on said wheels. 18. The method as in claim 1, comprising the further step of slidably retaining said shelf in said cabinet. 19. The method of claim 1, further including the steps of: providing said cabinet with two shelves and track means for guiding the other end of each of the two shelves from their present levels to two other levels,providing said cabinet with a door or gate, andopening the door or gate to obtain access to the one end of said shelf,providing a shelf fulcrum in said cabinet,freeing the adjacent end of one of said shelves,pivoting the shelf on a fulcrum in the cabinet from one level to another,maneuvering the one end of the shelf from one level to another level while causing moving of the far other end of said shelf to another level,freeing the adjacent end of the other of said shelves, andmaneuvering the one end of the other shelf from its present level to another level different from the level of the one shelf while causing moving of the far other end of said other shelf to another level different from the level of the one shelf. 20. The method of claim 19, further including the steps of: providing said cabinet with a door or gate,maneuvering said shelf from one level to another level, andafter maneuvering, closing said door or gate. 21. The method of claim 19, comprising the steps of: mounting said cabinet on wheels to form a cart, andmoving the cart on said wheels. 22. The method of claim 1, the cabinet having an access opening adjacent said one end of said shelf, comprising the step of: providing at least two shelves in said cabinet,providing track means to position one of said at least two shelves at the top of the cabinet, andproviding track means to position the other of said at least two shelves adjacent to the access opening of the cabinet,closing the top of said cabinet with said one shelf, andclosing the access opening of the cart with the other shelf,whereby the cabinet interior can be secured with the two shelves. 23. The method of claim 1, comprising the steps of: providing track means to locate said shelf just above the bottom of the cabinet, andmoving the shelf to just above the bottom of the cabinet to provide a maximum depth of the cabinet for use. 24. The method of claim 1, comprising the steps of: providing track means to locate said shelf at the top of said cabinet, andmoving said shelf on said track means to the top of said cabinet to close the top of the cabinet. 25. The method of claim 24, comprising the steps of: providing track means to locate a second shelf at an access opening of said cabinet to close said access opening, and maneuvering said second shelf to close said access opening. 26. The method of claim 1, comprising the steps of: providing track means to locate said shelf at an access opening of said cabinet to close said access opening, andmoving said shelf to close said access opening. 27. The methods of any one of claims 24, 25 and 26, and locking said shelf to close one or more of said top and the access opening. 28. The method as in claim 1, comprising the steps of: slotting said flat plate to provide an inclined lower position adjacent an end of said slot at least one of said one level and said another level, andmoving said far side of said shelf over said inclined portion of said slot to change between the one level to the another level, or the another level to the one level. 29. The method as in claim 28, comprising the steps of: moving the far end of said shelf up said inclined portion to move the shelf from one of said one level and another level, andmoving the far end of said shelf down said inclined portion to move the shelf to the other of said another level and one level. 30. The method of claim 28, comprising the steps of: forming said round end with a shaft extending out from said far end of said shelf,providing a roller or bearing on said shaft and engaging in said slot, andturning said roller or bearing on said shaft when moving said far end of said shelf in said slot. 31. The method of claim 28, including the step of: enclosing said far end of said shelf in said slot. 32. The method of claim 28, comprising the step of: slotting said flat plate to provide the inclined portion of said slot at both said one level and said another level. 33. The method as in claim 28, comprising the steps of: providing at least a third level, and slotting said flat plate to provide a third level. 34. The method as in claim 33, comprising the steps of: providing at least two shelves, andmoving said two shelves into and out of said at least the one, another and third levels. 35. The method of claim 1, comprising the steps of: providing a round end on said far end of said shelf smaller in diameter than the width of said slot, andengaging said round end on said shelf in said slot.
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