[특허]Tray with folding legs

Tray with folding legs 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A47B-003/00 F16M-011/38
출원번호	US-0523167 (1983-08-15)
발명자 / 주소	Geschwender, Robert C.
출원인 / 주소	New Products I, Ltd.
대리인 / 주소	Senniger, Powers, Leavitt and Roedel
인용정보	피인용 횟수 : 56 인용 특허 : 0

초록 ▼

A generally rectangular tray having a pair of legs pivoted on the tray at opposite sides thereof for swinging between a folded position and an unfolded position in which the legs extend down from the tray for supporting it. Each leg has spaced apart side portions interconnected for resilient springing movement of the side portions with respect to one another, latches engageable by the legs for releasably latching the legs in folded position and actuators operable by a person holding the tray at opposite sides thereof for springing the side portions of each leg with respect to one another to move the legs out of latching engagement with their respective latches. This disengagement enables the legs to swing down by gravity from their folded position to their unfolded position for supporting the tray.

대표청구항 ▼

1. A generally rectangular tray having a pair of legs pivoted on the underside of the tray at opposite sides thereof for swinging between a folded position in which the legs are folded up adjacent the underside of the tray and an unfolded position in which the legs extend down from the tray for supporting it, each leg having spaced apart side portions interconnected for resilient springing movement of the side portions with respect to one another, latches on the underside of the tray for releasably latching the legs in folded position, and actuator means on the tray engageable with said legs and operable by a person while holding the tray in a serving position for springing the side portions of each leg with respect to one another thereby to disengage the legs from their respective latches for enabling the legs to swing down by gravity from their folded position to their unfolded position for supporting the tray, said actuator means comprising a pair of actuators movably mounted on said opposite sides of the tray and positioned generally midway of respective sides whereby said actuators may be moved by hand while holding the tray in said serving position with both hands positioned generally midway of said opposite sides thereby to spring respective side portions of respective legs with respect to one another. 2. A tray as set forth in claim 1 wherein said latches are also adapted for latching said legs in said unfolded position. 3. A tray as set forth in claim 1 wherein said actuators are adapted for springing the side portions of each leg away from one another to move the legs out of engagement with said latch means. 4. A tray as set forth in claim 3 wherein said actuators are in the form of buttons operatively connected to said legs and slidable in slots in the tray for springing respective side portions of the legs with respect to one another. 5. A tray as set forth in claim 4 wherein said actuator buttons are disposed within recesses in the tray so that the buttons do not project above the top of the tray. 6. A tray as set forth in claim 1 wherein the side portions of each leg have end portions bent generally at right angles with respect to the side portions and journaled in a pair of pivot members on the underside of the tray for enabling the leg to swing between its folded and unfolded positions, each actuator having an operative connection with one end portion of a respective leg side portion whereby movement of the actuator effects springing of respective leg side portions with respect to one another. 7. A tray as set forth in claim 6 wherein said latch means comprises a latch member on one pivot member of each pair of pivot members, said latch member having a first notch therein for receiving a respective side portion of a respective leg releasably to latch the leg in its unfolded tray-supporting position. 8. A tray as set forth in claim 7 wherein said latch member has a second notch therein for receiving a respective side portion of a respective leg releasably to latch the leg in its folded position. 9. A tray as set forth in claim 8 wherein said latch member has stop means thereon engageable by one side portion of a respective leg for preventing the leg from swinging past its tray-supporting position. 10. A tray as set forth in claim 9 wherein the other pivot member of each pair has stop means thereon engageable by the other side portion of a respective leg for preventing the leg from swinging past its tray-supporting position. 11. A tray as set forth in claim 7 wherein each actuator is movable by hand for springing the side portions of that leg with respect to one another to move said side portions out of said first notch of a respective latch member for enabling the leg to swing between its folded and unfolded positions. 12. A tray as set forth in claim 11 wherein each actuator is adapted for springing the side portions of a respective leg away from one another. 13. A tray as set forth in claim 11 wherein said one pivot member of each pair of pivot members comprises a first flange extending down from the tray in a plane generally perpendicular to the pivot axis of a respective leg, said latch member comprising an integral extension of said flange at the lower end thereof. 14. A tray as set forth in claim 13 wherein said latch member comprises a first generally horizontal flange portion bent from the lower end of said flange, and a second flange portion inclined upwardly from the horizontal portion away from said flange, said horizontal flange portion having said first notch therein and said inclined flange portion having a second notch therein for receiving a respective side portion of a respective leg thereby releasably to latch the leg in its folded position. 15. A tray as set forth in claim 14 wherein said one pivot member of each pair of pivot members has a second flange extending down from the underside of the tray generally parallel to said first flange, said end portion of a respective leg side portion extending through said first and second flanges for connection to a respective actuator. 16. A tray as set forth in claim 15 wherein said actuators are in the form of buttons operatively connected to said legs and slidable in slots in the tray for springing the side portions of each leg with respect to one another. 17. A tray as set forth in claim 16 wherein said actuator buttons are disposed within recesses in the tray so that the buttons do not project above the top of the tray. 18. A tray as set forth in claim 17 wherein said tray is of one piece molded construction, and said legs are in the form of generally U-shaped metal rods.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Tray with folding legs 원문보기

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이 특허를 인용한 특허 (56)

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