Knife coulter for plow专利检索-犁刀犁作物管理专利检索查询-专利查询网

Knife coulter for plow

阅读：542发布：2022-07-29

专利汇可以提供Knife coulter for plow专利检索，专利查询，专利分析的服务。并且An elongated blade-type coulter with a keen knife edge is pivotally mounted on a plow beam in front of and is oriented in alignment with an earth plowing and turning moldboard and is used in lieu of the commonly employed trash cutting disk-type rolling coulter. Experimental field tested use of this improved knife coulter has repeatedly shown that it functions excellently and well serves the purposes for which it has been adopted and used. Unlike the rolling disk-type coulter it has no hub means which, as is known, commonly accumulates and is fouled with weeds, straw and trash. It is pivotally bracketed on the beam, is springbiased and rides with clearance above the bottom of the furrow. It yields upwardly and travels free and safely over embedded rocks and stones. Then, too, it functions properly even when the equipment is operated in reverse.，下面是Knife coulter for plow专利的具体信息内容。

权利要求

1. A knife-type coulter attachment for the beam of a plow comprising: a first angle iron constituting an adapter bracket and designed and adapted to be mounted on a supporting surface of said beam, a pair of coplanar companion hanger arms having upper ends secured to said adapter bracket, the lower ends of said arms depending a predetermined distance below the level of said adapter bracket, an anchoring clip secured to said lower ends, a horizontally elongated coulter blade having a rearward end provided with a knife-edge and a forward end constituting a shank, a blade holder pivotally mounted on said anchorIng clip, means clamping and mounting said shank on a component part of said holder, and a coil spring having a rearward end operatively secured to said anchoring clip and a forward end operatively connected to said holder, said holder comprising a second angle iron which is L-shaped in side elevation and embodies a long leg and a complemental short leg, said long leg constituting the aforementioned component part and on which said shank is disposed and clamped in a given position, said short leg projecting upwardly, the forward end of said coil spring being adjustably and detachably secured on said short leg, said anchoring clip being provided with an upstanding terminal lug equipped with an adjustable bolt with which a coacting forward end of said coil spring is cooperatively connected.

2. The coulter attachment defined in and according to claim 1, and wherein said adapter bracket is provided with an extension having a manually adjustable limit stop bolt with which an upper end of said short leg is aligned and cooperatively engageable.

3. A knife-type coulter attachment for the beam of a plow comprising, a first horizontally elongated angle iron constituting an adapter bracket and designed and adapted to be positioned lengthwise against and removably bolted on a vertical supporting surface of said beam, a pair of spaced parallel coplanar companion hanger arms having spaced upper ends detachably secured to an end portion of said adapter bracket, said arms having lower ends depending a predetermined distance below the level of said adapter bracket, a dual purpose anchoring clip spaced below said adapter bracket and bridging and secured to said lower ends, a horizontally elongated coulter blade having a rearward end provided with a knife-edge and a forward end constituting a shank, an elongated L-shaped angle iron constituting a blade holder, said blade holder embodying a long leg and a short leg, said short leg projecting upwardly toward and adjacent said adapter bracket, said adapter bracket including a forward end having a laterally projecting and outstanding extension, said extension being provided with a readily accessible and manually adjustble limit stop bolt aligned and cooperatively engageable with a coacting end of said short leg, said long leg having a forward end pivotally mounted on a cooperating forward end portion of said anchoring clip, clamping and mounting means cooperable with said shank and said long leg and removably securing said shank in a given position, said anchoring clip being provided at a rearward end with an upstanding terminal lug, and a coil spring having a forward end detachably and adjustably connected with a median portion of said short leg and a rearward end operatively cooperable with said lug.

4. The knife-type coulter attachment defined in claim 3 and wherein said lug has an adjustably mounted bolt, the rearward end portion of said spring being adjacent to and operatively connected with a coacting forward end portion of said bolt.

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Knife coulter for plow

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