| 摘要 |
A tongue contact, which can be attached to a base (5) and can be operated magnetically through the housing wall, is held in a plastic sleeve-like housing (1). The base (5) is fixed replaceably in the housing (1) by means of sprung arms having projecting tabs. The housing (1) can optionally be inserted, in different axial positions, in a holder (14). The holder (14) has two sprung clamping limbs (20) between which the cylindrical housing (1) can be pressed in. The housing (1) is provided externally with an annular rib (12) which engages in a groove of a groove track and can be displaced by axial pressure. <IMAGE>
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