专利检索_ .带有支撑齿状工作部件的链网的专利检索_ .带有支撑齿状工作部件的链网的专利检索查询

序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
61	Flexible harrow.	US1911639824	1911-07-21	US1069557A	1913-08-05	LUTZE WILLIAM

62	Ditching-machine.	US1909492061	1909-04-24	US989861A	1911-04-18	MILLER SAM

63	Ditching and grading machine.	US1909514810	1909-08-26	US952662A	1910-03-22	ZINDORF MATTHIAS P

64	Harrow.	US1906326737	1906-07-18	US835935A	1906-11-13	CAMPANY MILTON E

65	Harrow.	US1902124005	1902-09-19	US741487A	1903-10-13	HAILEY HERBERT

66	Harrow	US423705D		US423705A	1890-03-18

67	Harrow	US397193D		US397193A	1889-02-05

68	Scraper and roller	US395784D		US395784A	1889-01-08

69	Harrow	US368288D		US368288A	1887-08-16

70	Farm-harrow	US226563D		US226563A	1880-04-13

71	Improvement in combined pulverizers and corn-markers	US121629D		US121629A	1871-12-05

72	Improvement in g-rading-flow and scraper	US86229D		US86229A	1869-01-26

73	트랙터용 써레의 연결 장치	KR1020130126563	2013-10-23	KR101500864B1	2015-03-10	김명수
본 발명은 트랙터용 써레의 연결 장치에 관한 것으로, 트랙터에 연결되는 지지틀체(A)와 상기 지지틀체(A)에 평탄작업을 하는 써레(H)를 써레 연결 장치(C)에 의해 연결 설치하여 구성하며, 상기 써레 연결 장치(C)는 상기 지지틀체(A)에 결합되는 연결봉(1)과, 상기 연결봉(1)에 전후방향으로 유동가능하게 제1 회동축(2)으로 연결되는 상측 연결구(3)와, 상기 상측 연결구(3)에 좌우방향으로 유동가능하게 제2 회동축(4)으로 연결되는 상측 연결 관절부(5)와, 상기 써레(H)의 헤드부(Ha)에 지지편(6)을 고정 설치하고 상기 지지편(6)에 전후방향으로 유동가능하게 제3 회동축(7)으로 연결되는 하측 연결구(8)와, 상기 하측 연결구(8)에 좌우방향으로 유동가능하게 제4 회동축(9)으로 연결되는 하측 연결 관절부(10)와, 상기 상측 연결 관절부(5)와 하측 연결 관절부(10) 간에는 후방으로 스톱퍼(11)가 형성된 커넥터(12)를 유동가능하게 연결 결합하여 구성된 것이다. 위와 같은 본 발명은 써레를 펼쳤을 때 또는 써레 작동 시 중심을 잃거나 균형을 잃더라도 중심 이탈이 되지 않고 뒤집어 지는 현상을 방지하여 원활하고 편리한 평탄작업을 할 수 있다.
74	트랙터용 써레	KR1020120014953	2012-02-14	KR1020130093386A	2013-08-22	김대호
PURPOSE: A harrow for a tractor is provided to move the harrow board smoothly to one side by staying in a paddy field or generating pressure moving toward any one side of the harrow board by front or rear collision of harrow. CONSTITUTION: A harrow for a tractor comprises a frame(200) with a front hinge combined on a combining member(110) chained on a top of a rotary for the tractor, a harrow board(300) combined on the rear end of the frame, and a telescopic cylinder(400) elevating the harrow board by hinge combining the front to the rotary or the combining member and hinge combining the rear to the frame. The frame comprises a pair of connecting stick(210) hinge combining one end to the combining member or the upper rotary part aligned next to each other, and a horizontal stick(220) installed with a cylinder bracket(225) hinge combining the rear of the cylinder on the center as connecting a rear roll each other or the center part of the connecting stick.
75	트랙터용 써레	KR1020120002098	2012-01-06	KR1020130081110A	2013-07-16	김대호
PURPOSE: A harrow for a tractor is provided to allow a harrow board to move to the front along two fixing shaft when a rear collision occurs with the harrow, thereby preventing the harrow from being damaged. CONSTITUTION: A harrow for a tractor comprises a frame (200) with the front end connected to a combining member (110) combined to an upper part of a rotary (100) for tractors; a harrow board (300) combined to the rear end of the frame; and a telescopic cylinder (400) with the front end combined to the upper part of the rotary by a hinge and with the rear end combined to the frame or the harrow board by a hinge, for moving up and down the harrow board. The frame comprises connection sticks (210); two connection stick brackets (230) with a through-hole (232), which are provided at a bottom surface of each connection stick while being spaced apart from each other in a forward/backward directions; two harrow board brackets (330) with a fitting hole (332), which is provided at a top surfaces on either side of the connection sticks; and a fixing shaft (500) passing through all the harrow board brackets and the connection stick brackets.

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