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Trimming machine and protection device thereof

A protection device and trimmer technology, which is applied to hedge trimming equipment, hand-held lawn trimmers, harvesters, etc., can solve the problems of inability to change the trimming height, and it is not easy to ensure the durability of the tilting support.

Inactive Publication Date: 2002-10-23
MAKITA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in the prior trimmers, the former cannot change the trimming height, although the latter can change the trimming height, but because the main body portion is tilted up and down on the handle portion, it is not easy to ensure the durability of the tilting support portion (structure). rigidity)

Method used

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  • Trimming machine and protection device thereof
  • Trimming machine and protection device thereof
  • Trimming machine and protection device thereof

Examples

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Embodiment Construction

[0040] Below, refer to Figure 1 to Figure 4 The first embodiment of the present invention will be described. In this first embodiment, the lawn trimmer 1 is illustrated as an example of a trimmer. As shown in FIG. 1 , the lawn trimmer 1 is held with one hand and moves with a certain distance from the ground J while the trimming blade moves, so that the lawn (not shown) growing on the ground J can be trimmed into A certain height T. The lawn trimmer 1 has a main body 2 , a trimming blade 4 and a guard 5 . The main body 2 is provided with a D-shaped handle 3 at the rear. The trimming edge 4 is arranged on the front part of the main body part 2 . The guard 5 is mainly arranged around the trimming edge 4 .

[0041] The handle part 3 is provided in the rear part of the case 6, and is formed in D shape. A power cord 3c is introduced into the rear portion of the handle portion 3 . On the inner peripheral front side of the handle portion 3, a switch 3b in the form of a detent i...

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Abstract

The trimmer of the present invention is provided with a trimming height restricting portion 5 a arranged below the trimming blade 4 , and a side guard portion 5 d located on the side of the trimming blade 4 . The trimming height T can be kept constant by making the trimming height limiting portion 5a contact the ground J, and the trimming height T can be changed by changing the distance between the trimming blade 4 and the cutting edge 4. Interference between the trimming blade 4 and side obstacles can be prevented by the side guard portion 5d.

Description

technical field [0001] The present invention relates to a trimmer called a hand-held lawn trimmer, a lawnmower, a hedge trimmer, and the like, and mainly relates to a trimmer and a protective device for trimming a lawn or a hedge. Background technique [0002] In Japanese Unexamined Patent Publication No. 50-128260 and JP-A-9-135631, it is disclosed that when the lawn is mowed by the above-mentioned hand-held lawn trimmer, the technology of making the cutting height uniform. [0003] The lawn trimmer disclosed in the former publication surrounds the trimming edge with several U-shaped guide rods, so that the lower sides of each guide rod contact the ground for trimming, so that the trimming height can be uniform. [0004] The lawn trimmer disclosed in the latter publication has a main body and a handle. Trimming in contact with the ground can make the trimming height uniform. At the same time, the main body is tilted up and down relative to the handle to change the position...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G3/06A01D34/08A01D34/13A01D34/26A01G3/04
Inventor 土屋忠义小野雅彦高桥聪
Owner MAKITA CORP
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