JPS63196467U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案に係る一実施例を示すチエーン
ソーの要部断面図、第２図は第１図の−部矢
視断面図、第３図はクリーナカバーの底面図、そ
して第４図は吸入空気通路変更板の正面図である
。 １……機体、２……内燃機関、９……気化器、
１８……エアクリーナ、１９……クリーナカバー
、Ｃ，Ｋ……挿入凹所、Ｐ……吸入空気通路変更
板。 Fig. 1 is a cross-sectional view of essential parts of a chainsaw showing an embodiment of the present invention, Fig. 2 is a cross-sectional view taken along the - arrow in Fig. 1, Fig. 3 is a bottom view of the cleaner cover, and Fig. 4 is a cross-sectional view of the main parts of a chainsaw showing an embodiment of the present invention. FIG. 3 is a front view of the intake air passage changing plate. 1... airframe, 2... internal combustion engine, 9... carburetor,
18... Air cleaner, 19... Cleaner cover, C, K... Insertion recess, P... Intake air passage changing plate.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 動力源として機体１に装架された内燃機関２と
、該内燃機関へ混合気を供給する気化器９と、該
気化器へ清浄な空気を供給するエアクリーナ１８
と、該エアクリーナを収納する室を構成する着脱
自在なクリーナカバー１９とを有する携帯形動力
作業機において、前記クリーナカバーに吸入空気
通路変更板Ｐの挿入凹所Ｃ，Ｋを少なくとも２ケ
所形成し、携帯形動力作業機の使用時期や使用場
所により、前記変更板を挿入する凹所を選択して
吸入空気通路を変更することを特徴とする携帯形
動力作業機の吸入空気変更装置。 An internal combustion engine 2 mounted on the aircraft body 1 as a power source, a carburetor 9 that supplies air-fuel mixture to the internal combustion engine, and an air cleaner 18 that supplies clean air to the carburetor.
and a removable cleaner cover 19 constituting a chamber for accommodating the air cleaner, wherein at least two recesses C and K for insertion of intake air passage changing plates P are formed in the cleaner cover. An intake air changing device for a portable power working machine, characterized in that the intake air passage is changed by selecting a recess into which the changing plate is inserted depending on when and where the portable power working machine is used.