JPH0159018U

JPH0159018U -

Info

Publication number: JPH0159018U
Application number: JP15390887U
Authority: JP
Priority date: 1987-10-06
Filing date: 1987-10-06
Publication date: 1989-04-13

Description

[Brief explanation of the drawing]

第１図から第３図は本考案の一実施例を示して
おり、第１図はトリマーを示す概略的な斜視図、
第２図はトリマーヘツド及びヘツドカバーを示す
拡大平面図、第３図は第２図の―線に沿う断
面図である。１…トリマー、２…棹、３…エンジンユニツト
、４…トリマーヘツド、６…樹脂コード、６ａ…
樹脂コードの先端、１１，１２…ベベルギヤ（ギ
ヤ）、１２ａ…ベベルギヤの軸部、１３…ギヤケ
ース、１４…ギヤカバー、１５…コードヘツド、
１９…ヘツドカバー（カバー体）、２０…固着部
、Ａ…ラビリンス構造。 1 to 3 show an embodiment of the present invention, and FIG. 1 is a schematic perspective view showing a trimmer;
FIG. 2 is an enlarged plan view showing the trimmer head and head cover, and FIG. 3 is a sectional view taken along the line -- in FIG. 1... Trimmer, 2... Rod, 3... Engine unit, 4... Trimmer head, 6... Resin cord, 6a...
Tip of resin cord, 11, 12... Bevel gear (gear), 12a... Shaft of bevel gear, 13... Gear case, 14... Gear cover, 15... Cord head,
19...Head cover (cover body), 20...Fixed portion, A...Labyrinth structure.

Claims

[Claims for Utility Model Registration] 1. An engine unit is attached to the base end of the pole and a trimmer head is attached to the tip thereof, and a part of the resin cord wound inside the trimmer head is attached to the side of the trimmer head. In this trimmer, the trimmer head is fixed to the tip of the pole and the trimmer head is fixed to the tip of the pole, and the trimmer head is fixed to the tip of the pole and the trimmer head is fixed to the tip of the pole and the trimmer head is fixed to the tip of the pole and the trimmer head is fixed to the tip of the pole and the trimmer cord is rotated by the driving force from the engine unit to cut grass, etc. a gear case having a gear that rotates by a driving force; a gear cover integrally attached to the shaft of the gear so as to cover a lower end opening of the gear case; the resin cord wrapped inside the gear case; a cord head attached to the shaft portion so as to abut the lower end surface of the resin cord, a cover body of the resin cord is fixed to the gear case, the fixed part of the cover body is formed into a downward bowl shape, A trimmer characterized in that a labyrinth structure is formed by a shaped fixing portion and an upper end of the cord head to cover the gear cover. 2. The downward bowl-shaped fixed portion of the cover body is
An inner hanging part and an outer hanging part are provided, the inner hanging part and a rising part formed on the outer periphery of the gear cover, and the outer hanging part and a rising part formed on the upper end surface of the cord head. The trimmer according to claim 1, characterized in that the labyrinth structure is formed double.