JPS6287240U - - Google Patents

Description

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

第１図はこの考案の一実施例を示す縦断側面図
、第２図ａはこの考案の他の実施例を示す縦断側
面図、第２図ｂは第２図ａの実施例と対比すべき
縦来例を示す縦断側面図、第３図は従来装置を示
す縦断側面図、第４図は異なる従来装置を示す縦
断側面図、第５図は第４図の使用例を示す平面略
図である。 図において、１ａは取付面、２は支軸、４は取
付面に対向する歯車、８は延長ボス部、１８は凹
部、１９は他の歯車、２０は延長ボス部、Ａはス
ペース、Ｂは延長ボス部、８の長さ、Ｌは軸長距
離である。なお、各図中同一符号は同一または相
当部分を示す。 Figure 1 is a longitudinal side view showing one embodiment of this invention, Figure 2a is a longitudinal side view showing another embodiment of this invention, and Figure 2b is to be compared with the embodiment of Figure 2a. 3 is a vertical side view showing a conventional device, FIG. 4 is a vertical side view showing a different conventional device, and FIG. 5 is a schematic plan view showing an example of the use of FIG. 4. . In the figure, 1a is the mounting surface, 2 is the support shaft, 4 is the gear facing the mounting surface, 8 is the extension boss, 18 is the recess, 19 is another gear, 20 is the extension boss, A is the space, and B is the The length of the extension boss portion 8, L, is the axial distance. Note that the same reference numerals in each figure indicate the same or corresponding parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 取付面に突設される支軸を中心として回転する
複数の歯車を有し、この各歯車のうち前記取付面
と対向する位置でウオームにより駆動される歯車
の前記取付面と対向する面とは反対側の面に延長
ボス部を設け、この延長ボス部の外周に前記他の
歯車を嵌合するようにした歯車装置において、前
記取付面に対向する歯車を前記取付面に向けて突
出するように凹ませて前記延長ボス部の周囲に凹
部を形成し、前記他の歯車にも延長ボス部を形成
して前記取付面に対向する歯車の延長ボス部の周
囲に入れ子式に順次嵌合し、前記他の歯車の各延
長ボス部を前記凹部に突入させるようにしたこと
を特徴とする歯車装置。 It has a plurality of gears that rotate around a support shaft protruding from the mounting surface, and among these gears, the surface of the gear that faces the mounting surface is driven by a worm at a position facing the mounting surface. In a gear device in which an extension boss is provided on the opposite surface, and the other gear is fitted onto the outer periphery of the extension boss, the gear facing the mounting surface may protrude toward the mounting surface. a concave portion is formed around the extension boss portion, and an extension boss portion is also formed on the other gear, and the gear is sequentially fitted in a nested manner around the extension boss portion of the gear facing the mounting surface. , A gear device characterized in that each extension boss portion of the other gear is made to protrude into the recess.