| 摘要 |
A pressing portion is formed at one end portion of a horizontal wall portion of a cloth feeding unit, a bed portion is installed with a moving member pressed by the pressing portion and a slide member pressed to move by the moving member, a pivoting lever is pivoted by moving the slide member, a switch lever is switched to a drop position by the pivoting lever and a follower of the switch lever is switched to a position in correspondence with an escape driving cam. At such a time, a contact portion of the moving member is exposed to outside of a machine cover and can be visually observed and an operating portion of the slide member can be observed visually by being exposed to the outside via a notched window.
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