[특허]Quick connect snow plow implement

Quick connect snow plow implement 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E01H-005/08 A01B-051/00
출원번호	US-0582603 (1975-06-02)
발명자 / 주소	Deen Darrel B. (Elk Point SD) Hrdy James E. (Sioux City IA) Schnurr Michael W. (Hospers IA)
출원인 / 주소	American Equipment Corporation (Sioux City IA 02)
인용정보	피인용 횟수 : 97 인용 특허 : 0

초록 ▼

A snow plow implement for quick connection to a vehicle. The moldboard of the implement is mounted for yieldable but limited pivotal movement on the forward end of a rigid push frame which includes a pair of rearwardly extending arms. Pivotal jaws and associated fork plates are mounted on the rearward end of each arm. A frame assembly mounted on the front end of the vehicle includes a pair of axially aligned hitch pins. As the vehicle is driven toward the implement, the hitch pins engagingly pivot the jaws to closed positions wherein they cooperate with the associated fork plates to firmly retain the hitch pins and thereby couple the implement to the vehicle. Spring loaded locking pins act automatically to lock the jaws in their closed positions. The coupled implement is raised and lowered about the pivot axis of the hitch pins by a power cylinder which is folded up within a protective arm member when not in use.

대표청구항 ▼

In snow plow apparatus for removable coupling with a vehicle, which apparatus includes a frame for mounting on the vehicle, the frame having a pair of laterally spaced hitch pins, a push frame having a plow on one end and a pair of fork-like members on the other end having notches for registry with said pins, the improvement comprising: a pair of jaws, one for each notch, said jaws pivotally mounted to said fork-like members for movement between an open position permitting insertion of the pins in the notches and a closed position wherein the jaws and notches cooperate to retain the hitch pins in the notches, said jaws having camming surfaces operable in response to movement of the hitch pins toward and into the notches to pivot the jaws toward their closed positions, link means interconnecting each jaw with said push frame and operable to effect the movement of said jaws, said link means including a pair of hand levers, one for each jaw, connected with the link means and spaced away from said jaws to a position intermediate the plow and fork-like members, said hand levers operable to manipulate said link means to move said jaws between the open and closed positions, and automatic locking means connected with said link means for automatically locking each said link means against further movement in response to movement of its respective jaw to the closed position.

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Harris Gary S. (Sabattus ME), Quick connect-disconnect coupling for snow plow.
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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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연합인증

Quick connect snow plow implement 원문보기

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Quick connect snow plow implement 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (97)

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