JPH0215302U

JPH0215302U -

Info

Publication number: JPH0215302U
Application number: JP9346288U
Authority: JP
Priority date: 1988-07-14
Filing date: 1988-07-14
Publication date: 1990-01-31
Anticipated expiration: 2003-07-14
Also published as: JPH0544081Y2

Description

[Brief explanation of drawings]

第１図〜４図は本考案を具体化した一実施例を
示し、第１図はガイドバーの部分正面図、第２図
はチエンソーの全体を示す斜視図、第３図はガイ
ドバーの案内溝、連通孔及び排出孔を示す部分拡
大断面図、第４図は同じく部分拡大平面図、第５
〜１２図は他の実施例を示し、第５図は三層構造
のガイドバーの案内溝、連通孔及び排出孔を示す
部分拡大正面図、第６図は同じく部分拡大断面図
、第７図は連通孔及び排出孔をテーパ状に形成し
たガイドバーを示す部分拡大正面図、第８図は同
じく部分拡大断面図、第９図は一方の側面だけに
排出孔を形成したガイドバーを示す部分拡大平面
図、第１０〜１２図は連通孔を斜めに形成したガ
イドバーを示す部分正面図、第１３〜１５図は従
来のチエンソーのガイドバーを示し、第１３図は
案内溝の底部を側方へ露出させる排出孔を形成し
たガイドバーを示す部分断面図、第１４図は同じ
く部分側断面図、第１５図は一つのみ排出孔を設
けたガイドバーを備えたチエンソーの正面図であ
る。ガイドバー……２、ソーチエン……３、案内溝
……４、底部……４ａ、連通孔……５、排出孔…
…６、インナープレート……１１、アウタープレ
ート……１２、切り欠き……１３。 Figures 1 to 4 show an embodiment embodying the present invention. Figure 1 is a partial front view of the guide bar, Figure 2 is a perspective view showing the entire chain saw, and Figure 3 is a guide for the guide bar. FIG. 4 is a partially enlarged sectional view showing the groove, communication hole, and discharge hole; FIG. 4 is also a partially enlarged plan view; FIG.
12 show other embodiments, FIG. 5 is a partially enlarged front view showing the guide groove, communication hole, and discharge hole of the three-layered guide bar, FIG. 6 is a partially enlarged sectional view, and FIG. 7 is a partially enlarged sectional view. FIG. 8 is a partially enlarged sectional view of a guide bar with tapered communication holes and discharge holes, FIG. 9 is a partially enlarged sectional view of a guide bar with discharge holes formed on only one side. An enlarged plan view, FIGS. 10 to 12 are partial front views showing a guide bar with obliquely formed communication holes, FIGS. 13 to 15 show a guide bar for a conventional chain saw, and FIG. 13 shows the bottom of the guide groove on the side. FIG. 14 is a partial side sectional view of the guide bar with a discharge hole exposed to the side, and FIG. 15 is a front view of a chain saw equipped with a guide bar with only one discharge hole. . Guide bar...2, Saw chain...3, Guide groove...4, Bottom...4a, Communication hole...5, Discharge hole...
...6, Inner plate...11, Outer plate...12, Notch...13.

Claims

[Claims for Utility Model Registration] 1. In a chain saw in which a saw chain 3 runs along a guide groove 4 formed on the outer periphery of a guide bar 2, a large number of communication holes 5 are bored in the bottom 4a of the guide groove 4, A chain saw guide bar in which a large number of small-diameter discharge holes 6 that communicate with each communication hole 5 are opened on a side surface of the periphery of a guide bar 2. 2. The chain saw guide bar according to claim 1, wherein a pair of communication holes 5 are provided in each discharge hole 6 so as to be inclined in opposite directions with respect to the bottom portion 4a of the guide groove 4. 3 Outer plates 12 are fixed to both sides of the inner plate 11 to form the guide bar 2, and a guide groove 4 is formed on the outer periphery of the guide bar 2 by the step between both plates 11 and 12. In a chain saw in which the saw chain 3 runs along the inner plate 11, a large number of notches 13 are formed on the outer periphery of the inner plate 11, and a large number of small-diameter discharge holes are formed on the periphery of the outer plate 12 so as to correspond to the notches 13, respectively. A guide bar for a chainsaw with 6 through it.