Toggle switch

申请号 US33177673 申请日 1973-02-12 公开(公告)号 US3800110A 公开(公告)日 1974-03-26
申请人 MOLEX INC; 发明人 BAUMANIS B;
摘要 A toggle switch comprises a housing with a toggle switch mechanism therein located on one side of a transverse wall structure of the housing. The switch mechanism includes a sector pivotally mounted on the housing and carrying a movable contact for engagement with fixed contacts in the housing. The sector has a surrounding skirt that slides on the transverse wall structure whereby the fixed and movable contacts are substantially enclosed. The plastic material forming the enclosure is of a noninflammable type having a high resistance to arcing. A groove between the fixed contacts increases the arc path resulting from surface buildup of conductive material removed from the contacts due to the arcing.
权利要求
1. A switch comprising a housing having longitudinal and transverse dimensions, a transverse wall structure on said housing, a switch mechanism in said housing on one side of said transverse wall structure and including a switch sector pivotally mounted on said housing, connector pins fixed to said housing and extending from said transverse wall structure longitudinally in the opposite direction from said sector, said connector pins also having portions extending through said transverse wall structure toward said sector and with said portions having fixed switch contacts, an actuator arm pivotally mounted on said housing, spring means connecting said sector and said actuator arm in a manner to form a toggle linkage, a movable contact carrried by said sector and engaging said fixed contacts when the sector is toggled to a first position and being separated from said fixed contacts when the sector is toggled to a second position, said sector having a wall spaced from said transverse wall structure and a skirt projecting from the sector wall toward said transverse wall structure, said skirt surrounding said fixed and said movable contacts and being in sliding engagement with said transverse wall structure, said sector thereby cooperating with said transverse wall structure to form substantially an imperforate enclosure for the fixed and movable contacts.
2. A switch according to claim 1 in which said transverse wall structure includes two adjacent wall sections in surface-to-surface engagement.
3. A switch according to claim 1 in which said wall structure has a groove running between the fixed contacts.
4. A switch according to claim 2 in which one of said wall sections is engaged by said skirt, said one wall section and said sector being of a material having a higher resistance to arcing than the other wall section.
5. A switch according to claim 1 in which said movable contact is an annular element and a projection is integral with said sector for loosely receiving said element.
6. A switch according to claim 5 in which said projection is oval shaped at the part that is received by said element.
7. A switch according to claim 1 in which said movable contact has opposed arms for respective engagement with said fixed contacts, and said sector is internally grooved for receiving said movable contact.
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