RU113109U1 - MANUAL CULTIVATOR-POTATO DIGGER - Google Patents

Abstract

A manual cultivator-potato digger containing a working body, a vertical stand and a rotary handle, characterized in that the working body is represented by pointed teeth arranged in one row and united in the upper part by a common bar, on which a vertical post is fixed offset from the central axis, and one of the teeth is made in the form of a straight stop and is connected to the end of the bar, short from the rack, while the other teeth are spiral-shaped and located along the inner side of the bar at the same distance between themselves.

Description

The utility model relates to agricultural implements, namely to hand tools for digging potatoes, cultivating and removing sod.

Known forks (AS USSR for the invention No. 1825579, MKI A01B 1/04, 1991) including teeth located in one row and united in the upper part by a common jumper made in the form of a hollow cylinder in the middle part, which is made upward oriented to install the handle.

A disadvantage of the known device is the inconvenience of use, which consists in the need to bend over when working with it, which leads to rapid fatigue.

Known manual cultivator (Patent RU No. 2153787, IPC А01В 1/06, 2000) containing a sliding handle, to which a vertical shaft is connected with a working body fixed in its lower part in the form of spatially pointed spiral teeth, which are paired parallelly directed spirals of various radius.

A disadvantage of the known device is that it can only be used for cutting and pulling weeds.

Known manual potato digger (Patent RU for utility model No. 69697, IPC A01D 11/02, 01/10/2008), containing a handle and a working body, which is made in the form of a closed wire loop in the form of teeth located in one plane.

A disadvantage of the known design is that potato tubers can be pinched between the teeth, which leads to damage, as well as the need to suspend the process to remove pinched tubers.

The closest analogue is a hand tool for digging up the earth and harvesting root crops, mainly potatoes (RU application for invention No.2001100729, IPC 7 А01В 1/00, 04/20/2003 g) including a handle mounted on a sleeve, mounted in a row of teeth and equipped with an additional row of teeth , which is pivotally with limited rotation fixed to the first row.

The disadvantage of a hand tool is that you have to use significant physical effort. In the process of work, the tool is repeatedly subjected to resistance to efforts aimed at tearing off and raising a lump of earth, while root crops are injured by the tool, the handle often breaks.

The objective of the utility model is to facilitate work by reducing the cost of muscle energy when digging potatoes.

The technical result is achieved by the fact that in a manual cultivator-potato digger containing a working body, a vertical stand and a rotary handle, the working body is a pointed teeth located in one row and united in the upper part by a bar on which a vertical stand is fixed with an offset from the central axis moreover, one of the teeth is made in the form of a direct stop and is connected to the end of the bar that is short from the strut, while the other teeth are made spiral and are located along the inner side of the bar and the same distance between them.

Figure 1 shows a manual cultivator-potato digger, front view;

figure 2 is the same side view;

figure 3 is a top view.

A manual cultivator-potato digger contains a working body 1, a vertical stand 2 and a rotary handle 3.

The working body 1 is a pointed teeth 4, 5 located in one row and united in the upper part by a common bar 6, on which a vertical post 2 is fixed with an offset from the central axis.

The tooth 4 is made in the form of a direct stop, which is a straight sharp tooth with a thrust plate welded to it 7. The tooth 4 is welded to the end of the bar 6 short from the rack 2.

The teeth 5 are made spiral and are located along the inner side 8 of the strap 6 at the same distance from each other.

The vertical strut 2 is extendable and has an extension 9 that can be set to the required height using threaded fasteners 10. The vertical strut 2 is connected to the working body 1 and welded to the bar 6 with an offset from the central axis towards the tooth 4, thereby dividing the bar 6 into a short and long side.

The upper part of the upright 2 is connected to the rotary handle 3.

The rotary handle 3 is made of an arcuate shape and is rigidly connected to the stand 2 at an angle to the horizontal plane equal to 40 °.

A manual cultivator-potato digger works as follows.

Using threaded clips 10, the worker installs the extension cord 9 at a height convenient for him. Being in the position of "feet shoulder width" sets the working body 1, with the deepening of the straight tooth 4 from itself, on the right edge of the potato ridge, pressing the rotary handle 3 with his left hand to the hip. Then he turns the device by the handle 3 clockwise, digging the teeth 4, 5 into the soil under the ridge, loosening and removing the tubers along the arc of arm movement, turning the right one behind the back down.

In a similar way, just digging the soil with removing grass or removing sod is carried out.

Thus, the proposed potato digger can reduce human fatigue during the digging of potatoes and increase labor productivity due to ease of use.

Claims (1)

A manual cultivator-potato digger containing a working body, a vertical stand and a rotary handle, characterized in that the working body is pointed teeth located in one row and united in the upper part by a common bar on which a vertical stand is fixed with an offset from the central axis, and one of the teeth is made in the form of a direct stop and is connected to the end of the bar that is short from the strut, while the other teeth are made spiral and are located at the same distance along the inner side of the bar fuss among themselves.