[특허]Collapsible wheelbarrow and associated method

Ames True Temper, Inc.

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Collapsible wheelbarrow and associated method

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62B-001/00
미국특허분류(USC)	280/653; 280/047.31; 280/047.33
출원번호	US-0737047 (2003-12-16)
발명자 / 주소	Tomchak, Michael J. Albert, Barry R. Lupey, Mike
출원인 / 주소	Ames True Temper, Inc.
대리인 / 주소	Eckert Seamans Cherin &
인용정보	피인용 횟수 : 9 인용 특허 : 19

초록

An improved wheelbarrow includes a pair of legs that are each configured as four-bar linkages and are collapsible. The wheelbarrow includes a frame assembly, a wheel, a tray, and a pair of handles. The frame assembly can be assembled by the manufacturer. The wheelbarrow can then be assembled by the retailer or the consumer by simply attaching the wheel, the tray, and the handles to the frame assembly.

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1. A collapsible support for a device, the support being structured to retain the device in a given position with respect to a surface, the support comprising:a first member; a second member; a third member; and a lock extending between the second member and one of the first and third members; the support being movable between an extended position and a retracted position; the lock releasably resisting movement of the at least first leg from at least one of the extended position and the retracted position in a direction toward the other of the extended position and the retracted position; the second member being pivotably connected with and pivotable with respect to the first and third members; the second member being engageable with the surface to retain the device in the given position with respect to the surface when the support is in the extended position; the first and third members each being structured to be mounted on the device. 2. The support as set forth in claim 1, in which the lock includes a tab and at least a first notch, the tab being removably receivable in the at least first notch, the tab being disposed on one of the second member and the one of the first and third members, the at least first notch being disposed on the other of the second member and the one of the first and third members.3. The support as Set forth in claim 2, in which the lock includes a shank, one of the tab and the at least first notch being disposed on the shank, the shank being slidable between an engaged position and a disengaged position.4. The support as set forth in claim 3, in which the shank is biased toward the engaged position.5. The support as set forth in claim 2, in which the lock includes a second notch, the tab being received in the at least first notch corresponding with the extended position of the support, the tab being received in the second notch corresponding with the retracted position of the support.6. The support as set forth in claim 1, in which the support is a leg, and in which the device is a wheelbarrow.7. A device structured to be disposed against a surface, the device comprising:a frame; a support mounted on the frame; the support including a first member, a second member, and a third member; the first and third members each being pivotably mounted on the frame; the second member being pivotably connected with and pivotable with respect to each of the first and third members; the support being movable between an extended position and a retracted position; the support including a lock that releasably resists movement of the support from at least one of the extended position and the retracted position in a direction toward the other of the extended position and the retracted position; and the second member being engageable with the surface to retain the device in the given position with respect to the surface when the support is in the extended position. 8. The device as set forth in claim 7, in which the first, second, and third members are oriented substantially parallel with at least a portion of the frame when the support is in the retracted position.9. The device as set forth in claim 7, in which the first, second, and third members are disposed generally flush with the frame when the support is in the retracted position.10. The device as set forth in claim 7, in which the lock releasably retains the support in at least one of the extended position and the retracted position.11. The device as set forth in claim 7, in which the lock includes a tab and at least a first notch, the tab being removably receivable in the at least first notch.12. The device as set forth in claim 11, in which the lock extends between the second member and one of the first and third members, the tab being disposed on one of the second member and the one of the first and third members, the at least first notch being disposed on the other of the second member and the one of the first and third members.13. The device as set forth in claim 11, in which the lock includes a shank, one of the tab and the at least first notch being disposed on the shank, the shank being slidable between an engaged position and a disengaged position.14. The device as set forth in claim 13, in which the shank is biased toward the engaged position.15. The device as set forth in claim 11, in which the lock includes a second notch, the tab being received in the at least first notch corresponding with the extended position of the support, the tab being received in the second notch corresponding with the retracted position of the support.16. The device as set forth in claim 7, in which the support is a leg, and in which the device is a wheelbarrow.

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이 특허를 인용한 특허 피인용횟수: 9

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Collapsible wheelbarrow and associated method

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Collapsible wheelbarrow and associated method

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이 특허에 인용된 특허 (19)

이 특허를 인용한 특허 피인용횟수: 9

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