Limit switch

Details Limit switch Limit switch

2006-10-31

2006-10-31

Lee, K. (Department: 2832)

Electricity: circuit makers and breakers

Limit switch

C200S061410, C200S284000, C200S01600R, C439S409000, C439S811000

Reexamination Certificate

active

07129429

ABSTRACT:
An electrical limit switch (10) is provided and comprises a number of contact elements (30) each having a slot (32) with inner cutting edges (34) for penetrating the insulation of and containing a conducting element (48). The contact elements (30) are provided on a body which engages a base (56) wherein the base (56) receives a plurality of conducting elements (48). Upon engagement of the body and base (56), the conducting elements (48) are foced into respective slots (32) in the contact elements (30), thus providing a rapid electrical connection. The switching means of the limit switch (1) is provided by an actuating arrangement (14) including a plunger portion (16) and a roller (18), wherein the plunger(16) includes electrical contacts (36a, 36b) which are moveable with the plunger. Each contact (36a, 36b) provides an electrical connection between two of the contact elements (30) when the plunger (16) is in the appropriate position. The limit switch (10) includes a cover (12) with respective upper and lower cover portions (12a,12b) which are held together by click-lock tabs (20) and grooves (22). Mounted on the upper cover portion (12a) is the actuating arrangement (14) and the lower portion (12b) terminates in an integral calbe gland (26).

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patent: 29908701 (1999-09-01), None
patent: 0859390 (1998-08-01), None
patent: WO 9927551 (1999-06-01), None

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