JPS6432961U

JPS6432961U -

Info

Publication number: JPS6432961U
Application number: JP12793187U
Authority: JP
Priority date: 1987-08-22
Filing date: 1987-08-22
Publication date: 1989-03-01

Description

[Brief explanation of the drawing]

第１図ないし第８図は本考案に係る歩進機構の
一実施例を示し、第１図は組立断面図、第２図は
外面図、第３図は第１図における矢視線Ａ―Ａ方
向の断面図、第４図は第１図における矢視線Ｂ―
Ｂ方向の断面図、第５図は歩進機構回りの分解斜
視図、第６図は歩進機構の初期状態を示す作動説
明図、第７図は歩進機構の下降時の係合状態を示
す作動説明図、第８図は歩進機構の復帰状態を示
す作動説明図である。６……可動子、６ｆ，６ｇ……第１、第２爪部
、９……回転体、９ａ……歯車、９ｂ……可動盤
。 1 to 8 show an embodiment of the stepping mechanism according to the present invention, in which FIG. 1 is an assembled sectional view, FIG. 2 is an external view, and FIG. 3 is an arrow line AA in FIG. 1. A cross-sectional view in the direction, Figure 4 is along the arrow line B in Figure 1.
5 is an exploded perspective view of the stepping mechanism and its surroundings; FIG. 6 is an operation explanatory diagram showing the initial state of the stepping mechanism; and FIG. 7 is an engaged state when the stepping mechanism is lowered. FIG. 8 is an explanatory diagram of the operation showing the returning state of the stepping mechanism. 6... Movable element, 6f, 6g... First and second claw portions, 9... Rotating body, 9a... Gear, 9b... Movable plate.

Claims

[Scope of utility model registration request]

A rotatably supported gear, and a first pawl that moves toward and away from the tooth surface of the gear and presses the gear to move forward in response to the movement of the movable element toward the gear. a second pawl portion that responds to movement of the movable element away from the gear and presses the tooth surface to advance; a movable element having the first pawl portion and the second pawl portion; A stepping mechanism characterized by being equipped with.