JPH0319603A - Extended apron device for rotary tiller - Google Patents

Abstract

PURPOSE:To readily enable mounting of an extended apron in simple operation by covering each engaging pin and mounting pin provided in an apron body with a mounting tool and restricting the mounting pin with an engaging hook. CONSTITUTION:A lever 20 is mounted by fitting an engaging pin 12 of each apron rib 11 on an apron body 10 into a cutout (21A) of a mounting tool 20 and further fitting each mounting pin 13 into a cutout (21B). At this time, an engaging hook 25 is pulled up against a tension spring 26. When the mounting pin 13 is housed in the cutout (21A), the mounting pin 13 is restricted with the engaging hook 25. Thereby, operation can be performed without using any tools in mounting and demounting operation of the leveler which is an extended apron.

Description

[Detailed Description of the Invention] [Field of Industrial Application] This invention relates to an extension apron device for a rotary tiller,
More specifically, the present invention relates to an extension apron device that allows attachment of a leveler, two-stage apron, etc. without using tools.

[Conventional technology]

Conventionally known extension apron devices include a standard apron, so-called one in which a leveler is attached to the rear of the apron body, or a two-stage apron is attached to the one-stage apron, which is the apron main body, to improve work accuracy.

To attach this type of extension apron device, a fixing method using two or more pins or a fixing method using a pin and a spring is usually adopted.

[The problem that the idea attempts to solve]

Since this extension apron, such as a leveler, is used by being repeatedly attached and detached from the apron body, it is desirable that it be easy to attach and remove, but in reality, it is difficult to attach and remove the pins. The locking and locking work is particularly troublesome, and is not favorable in terms of work efficiency.

Therefore, the present invention provides an extension device that does not require troublesome work such as removing pins.

1. Means for Solving Problems] -I In order to achieve the objects as stated in 2, this invention has the following features:
In the extension apron device for a rotary tiller, which is constructed by attaching an extension apron such as a rehera or a 2Ft apron to the rear of the apron body, the locking pin f,) protruding along the working width direction and , an apron body equipped with a mounting pin, and a mounting tool that has a locking hook that captures the mounting pin and restrains the captured mounting pin. The front attachment tool has an adjustment rod that adjusts the posture of the extension apron with respect to the extension apron, and by attaching the attachment tool to the locking pin and attachment pin of the apron body, the It is characterized by a structure that allows the apron to be extended.

[Created for]

The extension apron device of the present invention has a locking pin provided on the apron body, and a locking hook cut into the mounting pin and covering the mounting tool to restrain the mounting pin. Finish installing the. In addition, in the case of removal, the extended apron such as the main body can be separated by simply dividing the restrained state by the hook +1-hook.

〔Example〕

Embodiments of the present invention will be described below with reference to the accompanying drawings. In these figures, the reference numeral 10 designates the apron body, which has two apron ribs 11 at both ends extending in the direction of work progress. ．． 1] is formed, and a locking pin 12 and a mounting pin 13 are provided protruding from both sides of the apron rib 11.

Further, the leveler 20 as an extension apron has attachments 21 arranged in parallel in the working width direction, and the intervals between the attachments correspond to the intervals between the apron ribs, and the attachments 21 have a shape that straddles the apron ribs. It has an inverted U shape with a notch 21 at its tip. A and a notch 21. at the edge with an open bottom. B is prominent. A leveler 20 is hingedly attached to the rear end of the mounting tool 21 via a hinge pin 22, and the leveler 20 can rotate around the hinge pin 22. At the rear end of this leveler 20, there are 3
A rond receiver 23 having pin holes is attached, and the mounting tool 2 is attached to one of the pin holes 23A.
The other end of an adjusting rod 24 for adjusting the angle of a leveler whose end is pivotally supported at 1 is connected with a pin.

and a notch 2 formed in the mounting tool 21]. When the mounting pin 12 is housed in B, a locking hook 25 for restraining it is pivotally attached in proximity to the notch 21B, and the hook portion 25A of the locking hook 25 restrains the mounting pin 12. This locking hook 25 is always urged in the restraining direction by a tension spring 26.

Therefore, when installing the leveler 20, the notch 21A of the mounting tool 20 is aligned with the locking pin 1l of the apron body 10, and the notch 21B is aligned with the mounting pin 12. At this time, the locking hook 25 is pulled up against the tension spring 26, and the mounting pin 12 is connected to the opening 21A.
Once it is inside, the attachment pin 12 is restrained by the locking hook 25.

In addition, when removing the leveler, pull up the locking hook 25 against the tension spring 26 and open the notch 21A.
Remove the mounting pin from the

The installation and removal work of a leveler, which is an extension apron, can be performed without using any tools.

In addition, in the above description of the embodiment, a leveler was mentioned as an extension apron, but as shown in FIG. can.

〔Effect of the invention〕

As is clear from the above description, according to the extension apron device of the present invention, the attachment tool attached to the extension apron is locked to both the locking and mounting pins provided on the apron body, and
By simply restraining the mounting pin with the locking hook, a leveler or extension apron such as a two-tiered apron can be attached, and this work requires no tools and is extremely easy to perform with simple operation. There is an effect.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing an extension apron device according to the present invention;
FIG. 2 is a side view, and FIG. 3 is a side view showing an example of a two-stage apron. 10... Apron body, 11... Locking pin,
12... Mounting pin, 20... Leveler, 21... Mounting tool, 21A, 2
1B...notch,

Claims (1)

[Claims] (1) In an extension apron device for a rotary tiller that is constructed by attaching an extension apron such as a leveler or two-tiered apron to the rear of the apron body, locking pins and mounting pins are provided that protrude along the working width direction. an apron body, a mounting tool having a locking hook that captures a locking pin of the apron main body, a mounting pin, and restrains the captured mounting pin; and an extension apron having a rotation center on the mounting tool, The attachment tool has an adjustment rod that adjusts the posture of the extension apron with respect to the extension apron, and is configured such that the apron can be substantially extended by attaching the attachment tool to a locking pin and a mounting pin of the apron body. Extension apron device for rotary tiller featuring